Lições Espanholas: debate entre o movimento 15M da Espanha e os movimentos de Porto Alegre (MaterialismoS)

Publicado em abril 4, 2013 por 

Debate com participante do movimento 15M, da Espanha, este sábado às 17h45 no Quilombo das Artes/Assentamento Urbano Utopia e Luta, escadaria da Borges.

Lições Espanholas MaterialismosG

Enquanto Porto Alegre viu, nas últimas semanas, aquilo que pode ser o início de um novo movimento de massa, a Espanha tem vivido desde maio de 2011 um momento riquíssimo de mobilização popular. Mais antigo, mais numeroso e mais duradouro que o movimento Occupy dos Estados Unidos, o 15M foi o primeiro dos movimentos globais a seguir o exemplo da Primavera Árabe e reagir contra as políticas de austeridade, a ditadura do capital financeiro e a erosão da democracia representativa no estado espanhol e na Europa; foi da Espanha que originalmente partiu o chamado para o dia de ação global de 15 de outubro de 2011, que transformou Occupy em um fenômeno global.

Nestes quase dois anos, o 15M se deparou com vários desafios que os movimentos de Porto Alegre terão de enfrentar cada vez mais: a necessidade de ampliar seu alcance para parcelas cada vez maiores da população; as tentativas de criminalização pela polícia e a mídia; a relação com os partidos políticos e a política institucional; o problema de como aumentar a capacidade de agir mantendo a democracia interna; a necessidade de desenvolver diversidade e flexibilidade de táticas de ação e comunicação para atacar as questões sociais de diferentes ângulos.

Este encontro é uma oportunidade para aprender mais sobre esta experiência com alguém que a vive por dentro: Sérgio González, cientista político e ecólogo, membro da rede 15M de Barcelona e do projeto X.net, associação de defesa da cultura livre e da democracia em rede. É também uma ocasião para refletir sobre o que estamos fazendo em Porto Alegre, e pensar, a partir daquilo que tem se construído na Espanha, quais podem ser nossos próximos passos.

O debate é coorganizado pelo grupo de pesquisa MaterialismoS e o Assentamento Urbano Utopia e Luta, e dá continuidade a discussões iniciadas no evento O que significa mudar o mundo hoje? de outubro de 2011.

Para saber mais sobre o 15M:

http://es.wikipedia.org/wiki/Movimiento_15-M
https://es.wikipedia.org/wiki/X.net
https://es.wikipedia.org/wiki/Stop_Desahucios#Stop_Desahucios
http://15mparato.wordpress.com/
http://www.youtube.com/watch?v=kODIHGNokrI&list=PL92FE5C92CA3F3211

Para saber mais sobre o Assentamento Urbano Utopia e Luta:

http://www.sul21.com.br/jornal/2011/09/assentamento-em-predio-publico-de-porto-alegre-desafia-politica-habitacional/

In Big Data, We Hope and Distrust (Huffington Post)

By Robert Hall

Posted: 04/03/2013 6:57 pm

“In God we trust. All others must bring data.” — W. Edwards Deming, statistician, quality guru

Big data helped reelect a pesident, find Osama bin Laden, and contributed to the meltdown of our financial system. We are in the midst of a data revolution where social media introduces new terms like Arab Spring, Facebook Depression and Twitter anxiety that reflect a new reality: Big data is changing the social and relationship fabric of our culture.

We spend hours installing and learning how to use the latest versions of our ever-expanding technology while enduring a never-ending battle to protect our information. Then we labor while developing practices to rid ourselves of technology — rules for turning devices off during meetings or movies, legislation to outlaw texting while driving, restrictions in classrooms to prevent cheating, and scheduling meals or family time where devices are turned off. Information and technology: We love it, hate it, can’t live with it, can’t live without it, use it voraciously, and distrust it immensely. I am schizophrenic and so am I.

Big data is not only big but growing rapidly. According to IBM, we create 2.5 quintillion bytes a day and that “ninety percent of the data in the world has been created in the last two years.” Vast new computing capacity can analyze Web-browsing trails that track our every click, sensor signals from every conceivable device, GPS tracking and social network traffic. It is now possible to measure and monitor people and machines to an astonishing degree. How exciting, how promising. And how scary.

This is not our first data rodeo. The early stages of the customer relationship management movement were filled with hope and with hype. Large data warehouses were going to provide the kind of information that would make companies masters of customer relationships. There were just two problems. First, getting the data out of the warehouse wasn’t nearly as hard as getting it into the person or device interacting with the customers in a way that added value, trust and expanded relationships. We seem to always underestimate the speed of technology and overestimate the speed at which we can absorb it and socialize around it.

Second, unfortunately the customers didn’t get the memo and mostly decided in their own rich wisdom they did not need or want “masters.” In fact as providers became masters of knowing all the details about our lives, consumers became more concerned. So while many organizations were trying to learn more about customer histories, behaviors and future needs — customers and even their governments were busy trying to protect privacy, security, and access. Anyone attempting to help an adult friend or family member with mental health issues has probably run into well-intentioned HIPAA rules (regulations that ensure privacy of medical records) that unfortunately also restrict the ways you can assist them. Big data gives and the fear of big data takes away.

Big data does not big relationships make. Over the last 20 years as our data keeps getting stronger, our customer relationships keep getting weaker. Eighty-six percent of consumers trust corporations less than they did five years ago. Customer retention across industries has fallen about 30 percent in recent years. Is it actually possible that we have unwittingly contributed in the undermining of our customer relationships? How could that be? For one thing, as companies keep getting better at targeting messages to specific groups and those groups keep getting better at blocking their messages. As usual, the power to resist trumps the power to exert.

No matter how powerful big data becomes, if it is to realize its potential, it must build trust on three levels. First, customers must trust our intentions. Data that can be used for us can also be used against us. There is growing fear institutions will become a part of a “surveillance state.” While organizations have gone to great length to promote protection of our data — the numbers reflect a fair amount of doubt. For example, according to MainStreet, “87 percent of Americans do not feel large banks are transparent and 68 percent do not feel their bank is on their side.:

Second, customers must trust our actions. Even if they trust our intentions, they might still fear that our actions put them at risk. Our private information can be hacked, then misused and disclosed in damaging and embarrassing ways. After the Sandy Hook tragedy a New York newspaper published the names and addresses of over 33,000 licensed gun owners along with an interactive map that showed exactly where they lived. In response names and addresses of the newspaper editor and writers were published on-line along with information about their children. No one, including retired judges, law enforcement officers and FBI agents expected their private information to be published in the midst of a very high decibel controversy.

Third, customers must trust the outcome — that sharing data will benefit them. Even with positive intentions and constructive actions, the results may range from disappointing to damaging. Most of us have provided email addresses or other contact data — around a customer service issue or such — and then started receiving email, phone or online solicitations. I know a retired executive who helps hard-to-hire people. She spent one evening surfing the Internet to research about expunging criminal records for released felons. Years later, Amazon greets her with books targeted to the felon it believes she is. Even with opt-out options, we felt used. Or, we provide specific information, only to repeat it in the next transaction or interaction — not getting the hoped for benefit of saving our time.

It will be challenging to grow the trust at anywhere near the rate we grow the data. Information develops rapidly, competence and trust develop slowly. Investing heavily in big data and scrimping on trust will have the opposite effect desired. To quote Dolly Parton who knows a thing or two about big: “It costs a lot of money to look this cheap.”

How Big Could a Man-Made Earthquake Get? (Popular Mechanics)

Scientists have found evidence that wastewater injection induced a record-setting quake in Oklahoma two years ago. How big can a man-made earthquake get, and will we see more of them in the future?

By Sarah Fecht – April 2, 2013 5:00 PM

hydraulic fracking drilling illustration

Hydraulic fracking drilling illustration. Brandon Laufenberg/Getty Images

In November 2011, a magnitude-5.7 earthquake rattled Prague, Okla., and 16 other nearby states. It flattened 14 homes and many other buildings, injured two people, and set the record as the state’s largest recorded earthquake. And according to a new study in the journal Geology, the event can also claim the title of Largest Earthquake That’s Ever Been Induced by Fluid Injection.”

In the paper, a team of geologists pinpoints the quake’s starting point at less than 200 meters (about 650 feet) from an injection well where wastewater from oil drilling was being pumped into the ground at high pressures. At 5.7 magnitude, the Prague earthquake was about 10 times stronger than the previous record holder: a magnitude-4.8 Rocky Mountain Arsenal earthquake in Colorado in 1967, caused by the U.S. Army injecting a deep well with 148,000 gallons per day of fluid wastes from chemical-weapons testing. So how big can these man-made earthquakes get?

The short answer is that scientists don’t really know yet, but it’s possible that fluid injection could cause some big ones on very rare occasions. “We don’t see any reason that there should be any upper limit for an earthquake that is induced,” says Bill Ellsworth, a geophysicist with the U.S. Geological Survey, who wasn’t involved in the new study.

As with natural earthquakes, most man-made earthquakes have been small to moderate in size, and most are felt only by seismometers. Larger quakes are orders of magnitude rarer than small quakes. For example, for every 1000 magnitude-1.0 earthquakes that occur, expect to see 100 magnitude-2.0s, 10 magnitude-3.0s, just 1 magnitude-4.0, and so on. And just as with natural earthquakes, the strength of the induced earthquake depends on the size of the nearby fault and the amount of stress acting on it. Some faults just don’t have the capacity to cause big earthquakes, whether natural or induced.

How do Humans Trigger Earthquakes?

Faults have two major kinds of stressors: shear stress, which makes two plates slide past each other along the fault line, and normal stress, which pushes the two plates together. Usually the normal stress keeps the fault from moving sideways. But when a fluid is injected into the ground, as in Prague, that can reduce the normal stress and make it easier for the fault to slip sideways. It’s as if if you have a tall stack of books on a table, Ellsworth says: If you take half the books away, it’s easier to slide the stack across the table.

“Water increases the fluid pressure in pores of rocks, which acts against the pressure across the fault,” says Geoffrey Abers, a Columbia University geologist and one of the new study’s authors. “By increasing the fluid pressure, you’re decreasing the strength of the fault.”

A similar mechanism may be behind earthquakes induced by large water reservoirs. In those instances, the artificial lake behind a dam causes water to seep into the pore spaces in the ground. In 1967, India’s Koyna Dam caused a 6.5 earthquake that killed 177 people, injured more than 2000, and left 50,000 homeless. Unprecedented seasonal fluctuations in water level behind a dam in Oroville, Calif., are believed to be behind the magnitude-6.1 earthquake that occurred there in 1975.

Extracting a fluid from the ground can also contribute to triggering a quake. “Think about filling a balloon with water and burying it at the beach,” Ellsworth says. “If you let the water out, the sand will collapse inward.” Similarly, when humans remove large amounts of oil and natural gas from the ground, it can put additional stress on a fault line. “In this case it may be the shear stresses that are being increased, rather than normal stresses,” Ellsworth says.

Take the example of the Gazli gas field in Uzbekistan, thought to be located in a seismically inactive area when drilling began in 1962. As drillers removed the natural gas, the pressure in the gas field dropped from 1030 psi in 1962 to 515 psi in 1976, then down to 218 psi in 1985. Meanwhile, three large magnitude-7.0 earthquakes struck: two in 1976 and one in 1984. Each quake had an epicenter within 12 miles of Gazli and caused a surface uplift of some 31 inches. Because the quakes occurred in Soviet-era Uzbekistan, information about the exact locations, magnitudes, and causes are not available. However, a report by the National Research Council concludes that “observations of crustal uplift and the proximity of these large earthquakes to the Gazli gas field in a previously seismically quiet region strongly suggest that they were induced by hydrocarbon extraction.” Extraction of oil is believed to have caused at least three big earthquakes in California, with magnitudes of 5.9, 6.1, and 6.5.

Some people worry that hydraulic fracturing, or fracking‚Äîwherein high-pressure fluids are used to crack through rock layers to extract oil and natural gas‚Äîwill lead to an increased risk of earthquakes. However, the National Research Council report points out that there are tens of thousands of hydrofracking wells in existence today, and there has only been one case in which a “felt” tremor was linked to fracking. That was a 2.3 earthquake in Blackpool, England, in 2011, which didn’t cause any significant damage. Although scientists have known since the 1920s that humans trigger earthquakes, experts caution that it’s not always easy to determine whether a specific event was induced.

Are Human Activities Making Quakes More Common?

Human activities have been linked to increased earthquake frequencies in certain areas. For instance, researchers have shown a strong correlation between the volume of fluid injected into the Rocky Mountain Arsenal well and the frequency of earthquakes in that area.

Geothermal-energy sites can also induce many earthquakes, possibly due to pressure, heat, and volume changes. The Geysers in California is the largest geothermal field in the U.S., generating 725 megawatts of electricity using steam from deep within the earth. Before The Geysers began operating in 1960, seismic activity was low in the area. Now the area experiences hundreds of earthquakes per year. Researchers have found correlations between the volume of steam production and the number of earthquakes in the region. In addition, as the area of the steam wells increased over the years, so did the spatial distribution of earthquakes.

Whether or not human activity is increasing the magnitude of earthquakes, however, is more of a gray area. When it comes to injection wells, evidence suggests that earthquake magnitudes rise along with the volume of injected wastewater, and possibly injection pressure and rate of injection as well, according to a statement from the Department of Interior.

The vast majority of earthquakes caused by The Geysers are considered to be microseismic events—too small for humans to feel. However, researchers from Lawrence Berkeley National Laboratory note that magnitude-4.0 earthquakes, which can cause minor damage, seem to be increasing in frequency.

The new study says that though earthquakes with a magnitude of 5.0 or greater are rare east of the Rockies, scientists have observed an 11-fold increase between 2008 and 2011, compared with 1976 through 2007. But the increase hasn’t been tied to human activity. “We do not really know what is causing this increase, but it is remarkable,” Abers says. “It is reasonable that at least some may be natural.”

Monkey Study Reveals Why Middle Managers Suffer the Most Stress (Science Daily)

Apr. 2, 2013 — A study by the universities of Manchester and Liverpool observing monkeys has found that those in the middle hierarchy suffer the most social stress. Their work suggests that the source of this stress is social conflict and may help explain studies in humans that have found that middle managers suffer the most stress at work.

Female Barbary macaques at Trentham Monkey Forest. (Credit: Image courtesy of Manchester University)

Katie Edwards from Liverpool’s Institute of Integrative Biology spent nearly 600 hours watching female Barbary macaques at Trentham Monkey Forest in Staffordshire. Her research involved monitoring a single female over one day, recording all incidents of social behaviour. These included agonistic behaviour like threats, chases and slaps, submissive behaviour like displacing, screaming, grimacing and hind-quarter presentation and affiliative behaviour such as teeth chatter, embracing and grooming.

The following day faecal samples from the same female were collected and analysed for levels of stress hormones at Chester Zoo’s wildlife endocrinology laboratory.

Katie explains what she found: “Not unsurprisingly we recorded the highest level of stress hormones on the days following agonistic behaviour. However, we didn’t find a link between lower stress hormone levels and affiliative behaviour such as grooming.”

She continues: “Unlike previous studies that follow a group over a period of time and look at average behaviours and hormone levels, this study allowed us to link the observed behaviour of specific monkeys with their individual hormone samples from the period when they were displaying that behaviour.”

Another key aspect of the research was noting where the observed monkey ranked in the social hierarchy of the group. The researchers found that monkeys from the middle order had the highest recorded levels of stress hormones.

Dr Susanne Shultz, a Royal Society University Research Fellow in the Faculty of Life Sciences at The University of Manchester oversaw the study: “What we found was that monkeys in the middle of the hierarchy are involved with conflict from those below them as well as from above, whereas those in the bottom of the hierarchy distance themselves from conflict. The middle ranking macaques are more likely to challenge, and be challenged by, those higher on the social ladder.”

Katie says the results could also be applied to human behaviour: “It’s possible to apply these findings to other social species too, including human hierarchies. People working in middle management might have higher levels of stress hormones compared to their boss at the top or the workers they manage. These ambitious mid-ranking people may want to access the higher-ranking lifestyle which could mean facing more challenges, whilst also having to maintain their authority over lower-ranking workers.”

The research findings have been published in the journalGeneral and Comparative Endocrinology.

Talking about the research, Susan Wiper the Director of Trentham Monkey Forest, said: “Katie has conducted a thorough study with very interesting results based on the natural groupings and environment that the Barbary macaques live in here. We are always pleased when more data is found on this fascinating endangered species of non-human primate.”

Katie is currently based at Chester Zoo where she is studying hormone levels in relation to behaviour in a bid to encourage Black Rhinos to reproduce more frequently.

Journal Reference:

  1. Katie L. Edwards, Susan L. Walker, Rebecca F. Bodenham, Harald Ritchie, Susanne Shultz. Associations between social behaviour and adrenal activity in female Barbary macaques: Consequences of study designGeneral and Comparative Endocrinology, 2013; 186: 72 DOI: 10.1016/j.ygcen.2013.02.023

Historic First Weather Satellite Image (Discovery)

By Tom Yulsman | April 2, 2013 7:46 pm

The first image ever transmitted back to Earth from a weather satellite. It was captured by TIROS-1. (Image: CIMSS Satellite Blog)

The awesome folks over at the satellite blog of the Cooperative Institute for Meteorological Satellite Studies posted this historic image yesterday — and I just couldn’t let it go without giving it more exposure.

The first weather satellite image ever, it was captured by TIROS-1 on April 1, 1960 — meaning yesterday was the 53rd anniversary of the event.

Okay, that may not be as significant as, say, the 50th anniversary was. But this is still a great opportunity to see how far we’ve come with remote sensing of the home planet.

On the same day that the satellite sent back this image, the U.S. Census Bureau determined that the resident population of the United States was 179,245,000. As I write this post, the bureau estimates the population to be 315,602,806. (By the time you read this, the population will be even larger!)

Thanks in part to the pioneering efforts of TIROS-1, and weather satellites that followed, today we have access to advanced warming of extreme events like hurricanes — a capability that has saved many lives.

“TIROS” stands for Television Infrared Observation Satellite Program. Here’s how NASA describes its mission:

The TIROS Program . . . was NASA’s first experimental step to determine if satellites could be useful in the study of the Earth. At that time, the effectiveness of satellite observations was still unproven. Since satellites were a new technology, the TIROS Program also tested various design issues for spacecraft: instruments, data and operational parameters. The goal was to improve satellite applications for Earth-bound decisions, such as “should we evacuate the coast because of the hurricane?”.

Here is the second image taken by Tiros-1 — 53 years ago today:

Tiros-1 transmitted a second weather image on April 2, 1960, 53 years ago today.

Head over to the CIMSS satellite blog for more details. The post there includes  spectacular comparison images from the SUOMI NPP satellite of the same general area: Maine and the Canadian Maritime provinces. One of them is a “visual image at night,” meaning it was shot under moonlight. You can see the sparkling lights of cities.

Futuristic predictions from 1988 LA Times Magazine come true… mostly (Singularity Hub)

Written By: 

Posted: 03/28/13 8:52 AM

los-angeles-banner

In 2013, a day in the life of a Los Angeles family of four is an amazing testament to technological progress and the idealistic society that can be achieved…or at least that’s what the Los Angeles Times Magazine was hoping for 25 years ago. Back in April 1988, the magazine ran a special cover story called “L.A. 2013″ and presented what a typical day would be like for a family living in the city.

The author of the story, Nicole Yorkin, spoke with over 30 experts and futurists to forecast daily life in 2013 and then wove these into a story akin to those “World of Tomorrow” MGM cartoons from the mid-20th century. But unlike the cartoons which often included far fetched technologies for humor, what’s most remarkable about the 1988 article is just how many of the predictions have actually come to pass, giving some leeway in how accurately the future can be imagined.

For anyone considering what will happen in the next 25 years, the article is worth a read as it serves as an amazing window into how well the future can be predicted in addition to what technology is able to achieve in a short period of time.

LA-2013-banner

Just consider the section on ‘smart cars’ speculated to be “smaller, more efficient, more automated and more personalized” than cars 25 years ago. While experts envisioned that cars would have more Transformer-like abilities to change from a sports car to a beach buggy, the key development in automobile technology will be “a central computer in the car that will control a number of devices.” Furthermore, cars were expected to be equipped with “electronic navigation or map systems,” or GPS systems. Although modern cars don’t have a ‘sonar shield’ that would cause a car to slow down when it came closer to another, parking sensors are becoming common and rearview cameras may soon be required by law.

Though the article doesn’t explicitly predict the Internet and all its consequences per se, computers were implicit to some of the predictions, such as telecommuting, virtual shopping, smart cards for health monitoring, a personalized ‘home newspaper,’ and video chatting. Integrated computers were also expected in the form of smart appliances, wall-to-ceiling computer displays in classrooms, and 3D video conferencing. These technologies exist today thanks to the networked computer revolution that was amazingly only in its infancy in 1988.

LA-2013-robot

‘The Ultimate Appliance’ is the mobile robot expected to be a ‘fixture’ in today’s homes.

But of all the technologies expected to be part of daily life in 2013, the biggest miss by the article comes with robots.

In fact, the mobile robot “Billy Rae” is depicted as an integral component to the household, much like Rosie The Robot was in The Jetsons. In the story, the family communicates with Billy Rae naturally as the mother reads a list of chores for cleaning the house and preparing meals. There’s even a pet canine robot named Max that helps the son learn to read and do math. The robots aren’t necessarily depicted as being super intelligent, but they were still expected to be vital, even being referred to as the “ultimate appliance.”

In recent years, great strides have been made with robots and artificial intelligence, but we are years away from having a maid-like robot that was hoped for in the article. We’re all familiar withcleaning robots like the Roomba and hospitals are starting to utilize healthcare robots.Personal assistants like Siri show that we’re getting closer to the day when people and computers can communicate verbally. But bringing all these technologies together is one of the most challenging problems to be solved, even with the high amounts of expectation and huge market potential that these bots will experience.

In light of this, it’s interesting to compare the predictions in this article to those in French illustrations drawn around 1900, which also include a fair share of robotic automation.

The piece is peppered with utopian speculation, but already on the radar were concerns about the shifting job market, increasing pollution, and the need for quality schooling, public transportation, and affordable housing, issues that have reached or are nearing crisis levels. It’s comforting to know that many of the problems that modern cities face were understood fairly well a quarter of a century ago, but it is sobering to recognize how technologies have been slow in some cases at handling these problems.

Perhaps the greatest lesson from reading the article is that few of the predictions are completely wrong, but the timescale was ambitious. Almost all of the technologies described will get here sooner or later. The real issue then is, what is preventing rapid innovation or broad-scale adoption of technologies?

Not surprisingly, the answers today are the same as they were 25 years ago: time and money.

LA-metro-rail

[images: kla4067/Flickr, LA Times]

Brain scans can now tell who you’re thinking about (Singularity Hub)

Written By: 

Posted: 03/23/13 7:48 AM

[Source: Listal]

[Source: Listal]

Beware stalkers, these neuroscientists can tell who you’re thinking of. Or, at least, the kind of personality he or she might have.

As a social species humans are highly attuned to the behavior of others around them. It’s a survival mechanism, helping us to safely navigate the social world. That awareness involves both evaluating people and predicting how they will behave in different situations in the future (“Uh oh, don’t get him started!”). But just how does the brain represent another person’s personality?

To answer this question a group of scientists at Cornell’s College of Human Ecology (whatever that means) used functional magnetic resonance imaging (fMRI) to measure neuronal activity while people thought about different types of personalities. The 19 participants – all young adults – learned about four protagonists, all of whom had considerably different personalities, based on agreeableness (e.g., “Likes to cooperate with others”) and extraversion (“Is sometimes shy”). They were then presented different scenarios (such as sitting on a bus with no empty seats and watching an elderly person get on) and asked to imagine how each of the four protagonists would react.

Varying degrees of a person's deemed "agreeableness" and "extraversion" combine to produce different brain activation patterns in the brain. [Source: Cerebral Cortex]

Varying degrees of a person’s deemed “agreeableness” and “extraversion” combine to produce different brain activation patterns in the brain. [Source: Cerebral Cortex]

The study’s lead author, Nathan Spreng, said they were “shocked” when they saw the results. The brain scans revealed that each of the four distinct personalities elicited four distinct activity patterns in the medial prefrontal cortex, an area at the front of the brain known to be involved in decision making. In essence, the researchers had succeeded in extracting mental pictures – the personalities of others – that people were thinking of.The study was published in the March 5 issue of Cerebral Cortex.

Sizing up the personality of another or thinking what they’re thinking is unique to social animals and in fact to do so was until recently thought to be uniquely human. But there’s now reason to believe the network – called the ‘default network’ – is a fundamental feature of social mammals in general. As Spreng explained in an email, “Macaque [monkeys] clearly have a similar network, observable even in the rat. All of these mammalian species are highly social.”

The fact that the mental snapshot of others was seen in the neurons of the medial prefrontal cortex means the current study may have implications for autism, Spreng said in a Cornell University news release. “Prior research has implicated the anterior mPFC in social cognition disorders such as autism, and our results suggest people with such disorders may have an inability to build accurate personality models. If further research bears this out, we may ultimately be able to identify specific brain activation biomarkers not only for diagnosing such diseases, but for monitoring the effects of interventions.”

Previous work has shown that brain scans can tell us a lot about what a person’s thinking. With an array of electrodes placed directly on the brain, researchers were able to decode specific words that people were thinking. In another experiment fRMI scans of the visual cortex were used to reconstruct movie trailers that participants were watching.

Much of neuroscience explores how the brain processes the sensory information that guides us through our physical environment. But, for many species, navigating the social environment can be just as important to survival. “For me, an important feature of the work is that our emotions and thoughts about other people are felt to be private experiences,” Spreng said. “In our life, we may choose to share our thoughts and feelings with peers, friends and loved ones. However, [thoughts and feelings] are also physical and biological processes that can be observed. Considering how important our social world is, we know very little about the brain processes that support social knowledge. The objective of this work is to understand the physical mechanisms that allow us to have an inner world, and a part of that is how we represent other people in our mind.”

The Ant-Driven Landscape (Quest)

http://science.kqed.org

Post on Mar 14, 2013 by  from 

In this part of California we may thank our lucky stars for being free of Burmese pythonsbrown recluse spidersor Africanized honeybees. But during the last few decades, while most of us weren’t paying attention, much of California was taken over by ants from Argentina.

Argentine ants, Linepithema humile, love the environment of our homes and gardens. The soil is watered regularly, there’s warmth nearby in the winter, and it almost never floods. The species is aggressive, and unlike most ants they don’t fight each other’s colonies. Recent research suggests that even though they’re genetically diverse, Argentine ants always smell the same to each other, so undistracted by internal wars they combine forces and simply overwhelm most other ant species.

But our different kinds of native ants are crucial members of the local ecosystem. Some eat corpses, while others scavenge the ground for dead plant matter. Some live like farmers, cultivating certain fungus species by feeding them plant materials. Some depend on specific plants, which benefit from the attention. (KQED has acool gallery of Bay Area native ant species and their lifeways.)

When the Argentine ants move in, all of those specialized services are handicapped or disappear. There’s plenty of reading out there about the effect of these ants on ecosystems, but as a geologist I wonder about their effect on bioturbation, the processes by which living things stir the soil. Ground-dwelling animals have profound effects on soil: the way it breathes, circulates water and cycles nutrients. Ants and worms are the most important of these.

Among the various ant species, Argentine ants are small and their nests are shallow. That means, for instance, they’re not capable of building the piles of coarse sand and gravel, brought up from meters below the ground, that desert red ants made in this example from Nevada.

Photos by Andrew Alden

Photos by Andrew Alden

Fortunately Argentine ants have trouble where it’s dry and cold, so gold prospectors in the Mojave can continue their practice of sampling buried rocks from anthills. But around here, how does the soil respond when the deep-digging ant species are gone? I also wonder about the various bee species that dig holes in the ground, like these ones I spotted on a San Mateo County seacliff.

bees

As scientists learn more about invasive species, it’s clear that no matter wherever they live, people need to raise their game and learn defensive practices: call it eco-hygeine.

Consider the earthworms of Minnesota. Did you know that in Minnesota and much of its neighboring states there aren’t any native earthworms? Since the ice age glaciers melted, some 10,000 years ago, the earthworms haven’t managed to crawl north fast enough, and the forests there are adapted to worm-free soils that consist of raw glacier sediment with a thick layer of organic matter on top. Worms eat all that stuff and dig it into the dirt. That’s why we love them in most places, but in Minnesota the worms brought in with nursery plants and baitworms thrown away during fishing trips are ruining the woods. Up there, the Great Lakes Worm Watch is trying to raise consciousness and fight the problem.

Around here, we have to think more about our ants. At Stanford University’s Jasper Ridge Biological Preserve they’ve been monitoring the Argentine ant invasion and are learning what limits them: cold, dry ground and ant species with strong defenses. Volunteers all over the Bay Area can act locally by gathering data through theBay Area Ant Survey, coordinated by the California Academy of Sciences.

There has been a lot of talk lately about “Anthropocene time,” a name for the geological time period that includes the present and future. It represents a concept I might call the human-driven planet: our actions and influences have become as important as natural forces in governing the planetary environment. The root “anthropo-” refers to human causes, but for teaching purposes it may be better just to look down at our feet and think “ant-” instead. Because humans brought the invaders here.

By the way, Argentine ants are well controlled with boric acid bait. I’ve had lasting success with this simple method.

Everybody Knows. Climate Denialism has peaked. Now what are we going to do? (EcoEquity)

– Tom Athanasiou (toma@ecoequity.org).  April 2, 2013.

It was never going to be easy to face the ecological crisis.  Even back in the 1970s, before climate took center stage, it was clear that we the prosperous were walking far too heavily.  And that “environmentalism,” as it was called, was only going to be a small beginning.  But it was only when the climate crisis pushed fossil energy into the spotlight that the real stakes were widely recognized.  Fossil fuels are the meat and potatoes of industrial civilization, and the need to rapidly and radically reduce their emissions cut right through to the heart of the great American dream.  And the European dream.  And, inevitably, the Chinese dream as well.

Decades later, 81% of global energy is still supplied by the fossil fuels: coal, gas, and oil.[1]  And though the solar revolution is finally beginning, the day is late.  The Arctic is melting, and, soon, as each year the northern ocean lies bare beneath the summer sun, the warming will accelerate.  Moreover, our plight is becoming visible.  We have discovered, to our considerable astonishment, that most of the fossil fuel on the books of our largest corporations is “unburnable” – in the precise sense that, if we burn it, we are doomed.[2]  Not that we know what to do with this rather strange knowledge.  Also, even as China rises, it’s obvious that it’s not the last in line for the promised land.  Billions of people, all around the world, watch the wealthy on TV, and most all of them want a drink from the well of modern prosperity.  Why wouldn’t they?  Life belongs to us all, as does the Earth.

The challenge, in short, is rather daunting.

The denial of the challenge, on the other hand, always came ready-made.  As Francis Bacon said so long ago, “what a man would rather were true, he more readily believes.”  And we really did want to believe that ours was still a boundless world.  The alternative – an honest reckoning – was just too challenging.  For one thing, there was no obvious way to reconcile the Earth’s finitude with the relentless expansion of the capitalist market.  And as long as we believed in a world without limits, there was no need to see that economic stratification would again become a fatal issue.  Sure, our world was bitterly riven between haves and have-nots, but this problem, too, would fade in time.  With enough growth – the universal balm – redistribution would never be necessary.  In time, every man would be a king.

The denial had many cheerleaders.  The chemical-company flacks who derided Rachel Carson as a “hysterical woman” couldn’t have known that they were pioneering a massive trend.  Also, and of course, big money always has plenty of mouthpieces.  But it’s no secret that, during the 20th Century, the “engineering of consent” reached new levels of sophistication.  The composed image of benign scientific competence became one of its favorite tools, and somewhere along the way tobacco-industry science became a founding prototype of anti-environmental denialism.  On this front, I’m happy to say that the long and instructive history of today’s denialist pseudo-science has already been expertly deconstructed.[3]  Given this, I can safely focus on the new world, the post-Sandy world of manifest climatic disruption in which the denialists have lost any residual aura of scientific legitimacy, and have ceased to be a decisive political force.  A world in which climate denialism is increasingly seen, and increasingly ridiculed, as the jibbering of trolls.

To be clear, I’m not claiming that the denialists are going to shut up anytime soon.  Or that they’ll call off their suicidal, demoralizing campaigns.  Or that their fogs and poisons are not useful to the fossil-fuel cartel.  But the battle of the science is over, at least as far as the scientists are concerned.  And even on the street, hard denialism is looking pretty ridiculous.  To be sure, the core partisans of the right will fight on, for the win and, of course, for the money.[4]  And they’ll continue to have real weight too, for just as long as people do not believe that life beyond carbon is possible.  But for all this, their influence has peaked, and their position is vulnerable.  They are – and visibly now – agents of a mad and dangerous ideology.  They are knaves, and often they are fools.[5]

As for the rest of us, we can at least draw conclusions, and make plans.

As bad as the human prospect may be – and it is quite bad – this is not “game over.”  We have the technology we need to save ourselves, or most of it in any case; and much of it is ready to go.  Moreover, the “clean tech” revolution is going to be disruptive indeed.  There will be cascades of innovation, delivering opportunities of all kinds, all around the world.  Also, our powers of research and development are strong.  Also, and contrary to today’s vogue for austerity and “we’re broke” political posturing, we have the money to rebuild, quickly and on a global scale.  Also, we know how to cooperate, at least when we have to.  All of which is to say that we still have options.  We are not doomed.

But we are in extremely serious danger, and it is too late to pretend otherwise.  So allow me to tip my hand by noting Jorgen Randers’ new book, 2052: A Global Forecast for the Next Forty Years.[6]  Randers is a Norwegian modeler, futurist, professor, executive, and consultant who made his name as co-author of 1972’s landmark The Limits to Growth.  Limits, of course, was a global blockbuster; it remains the best-selling environmental title of all times.  Also, Limits has been relentlessly ridiculed (the early denialists cut their teeth by distorting it[7]) so it must be said that – very much contrary to the mass-produced opinions of the denialist age – its central, climate-related projections are holding up depressingly well.[8]

By 2012 (when he published 2052) Randers had decided to step away from the detached exploration of multiple scenarios that was the methodological core of Limits, and to make actual predictions.  After a lifetime of frustrated efforts, these predictions are vivid, pessimistic and bitter.  In a nutshell, Randers doesn’t expect anything beyond what he calls “progress as usual,” and while he expects it to yield a “light green” buildout (e.g., solar on a large scale) he doesn’t think it will suffice to stabilize the climate system.  Such stabilization, he grants, is still possible, but it would require concerted global action on a scale that neither he nor Dennis Meadows, the leader of the old Limits team, see on today’s horizon.  Let’s call that kind of action global emergency mobilization.  Meadows, when he peers forwards, sees instead “many decades of uncontrolled climatic disruption and extremely difficult decline.”[9]  Randers is more precise, and predicts that we will by 2052 wake to find ourselves on a dark and frightening shore, knowing full well that our planet is irrevocably “on its way towards runaway climate change in the last third of the twenty-first century.”

This is an extraordinary claim, and it requires extraordinary evidence.[10]  Such evidence, unfortunately, is readily available, but for the moment let me simply state the public secret of this whole discussion.  To wit: we (and I use this pronoun advisedly) can still avoid a global catastrophe, but it’s not at all obvious that we will do so.  What is obvious is that stabilizing the global climate is going to be very, very hard.  Which is a real problem, because we don’t do hard anymore.  Rather, when confronted with a serious problem, we just do what we can, hoping that it will be enough and trying our best not to offend the rich.  In truth, and particularly in America, we count ourselves lucky if we can manage governance at all.

This essay is about climate politics after legitimate skepticism.  Climate politics in a world where, as Leonard Cohen put it, “everybody knows.”  What does this mean?  In the first place, it means that we’ve reached the end of what might be called “environmentalism-as-usual.”  This point is widely understood and routinely granted, as when people say something like “climate is not a merely environmental problem,” but my concern is a more particular one.  As left-green writer Eddie Yuen astutely noted in a recent book on “catastrophism,” the problems of the environmental movement are to a very large degree rooted in “the pairing of overwhelmingly bleak analysis with inadequate solutions.”[11]  This is exactly right.

The climate crisis demands a “new environmentalism,” and such a thing does seem to be emerging.  It’s final shape is unknowable, but one thing is certain – the environmentalism that we need will only exist when its solutions and strategies stand up to its own analyses.  The problem is that this requires us to take our “overwhelmingly bleak” analyses straight, rather than soft-pedaling them so that our “inadequate solutions” might look good.  Pessimism, after all, is closely related to realism.  It cannot just be wished away.

Soft-pedaling, alas, has long been standard practice, on both the scientific and the political sides of the climate movement.  Examples abound, but the best would have to be the IPCC itself, the U.N’s Intergovernmental Panel on Climate Change.  The world’s premier climate-science clearinghouse, the IPCC is often attacked from the right, and has developed a shy and reticent culture.  Even more importantly, though, and far more rarely noted, is that the IPCC is conservative by definition and by design.[12]  It almost has to be conservative to do its job, which is to herd the planet’s decision makers towards scientific realism.  The wrinkle is that, at this point, this isn’t even close to being good enough, not at least in the larger scheme.  At this point, we need strategic realism as well as baseline scientific realism, and it demands a brutal honesty in which underlying scientific and political truths are clearly drawn and publicly expressed.

Yet when it comes to strategic realism, we balk.  The first impulse of the “messaging” experts is always to repeat their perennial caution that sharp portraits of the danger can be frightening, and disempowering, and thus lead to despair and passivity.  This is an excellent point, but it’s only the beginning of the truth, not the end.  The deeper problem is that the physical impacts of climate disruption – the destruction and the suffering – will continue to escalate.  “Superstorm Sandy” was bad, but the future will be much worse.  Moreover, the most severe suffering will be far away, and easy for the good citizens of the wealthy world to ignore.  Imagine, for example, a major failure of the Indian Monsoon, and a subsequent South Asian famine.  Imagine it against a drumbeat background in which food is becoming progressively more expensive.  Imagine the permanence of such droughts, and increasing evidence of tipping points on the horizon, and a world in which ever more scientists take it upon themselves to deliver desperate warnings.  The bottom line will not be the importance of communications strategies, but rather the manifest reality, no longer distant and abstract, and the certain knowledge that we are in deep trouble.  And this is where the dangers of soft-pedaling lie.  For as people come to see the scale of the danger, and then to look about for commensurate strategies and responses, the question will be if such strategies are available, and if they are known, and if they are plausible.  If they’re not, then we’ll all going, together, down the road “from aware to despair.”

Absent the public sense of a future in which human resourcefulness and cooperation can make a decisive difference, we assuredly face an even more difficult future in which denial fades into a sense of pervasive hopelessness.  The last third of the century (when Randers is predicting “runaway climate change”) is not so very far away.  Which is to say that, as denialism collapses – and it will – the challenge of working out a large and plausible response to the climate crisis will become overwhelmingly important.  If we cannot imagine such a response, and explain how it would actually work, then people will draw their own conclusions.  And, so far, it seems that we cannot.  Even those of us who are now climate full-timers don’t have a shared vision, not in any meaningful detail, nor do we have a common sense of the strategic initiatives that could make such a vision cohere.

The larger landscape is even worse.  For though many scientists are steeling themselves to speak, the elites themselves are still stiff and timid, and show few signs of rising to the occasion.  Each month, it seems, there’s another major report on the approaching crisis – the World Bank, the National Intelligence Council, and the International Energy Agency have all recently made hair-raising contributions – but they never quite get around to the really important questions.  How should we contrive the necessary global mobilization?  What conditions are needed to absolutely maximize the speed of the clean-tech revolution?  By what strategy will we actually manage to keep the fossil-fuels in the ground?  What kind of international treaties are necessary, and how shall we establish them?  What would a fast-enough global transition cost, and how shall we pay for it?  What about all those who are forced to retreat from rising waters and drying lands?  How shall they live, and where?  How shall we talk about rights and responsibilities in the Greenhouse Century?  And what about the poor?  How shall they find futures in a climate-constrained world?  Can we even imagine a world in which they do?

In the face of such questions, you have a choice.  You can conclude that we’ll just have to do the best we can, and then you can have a drink.  Or maybe two.  Or you can conclude that, despite all evidence to the contrary, enough of us will soon awaken to reality.  What’s certain is that, all around us, there is a vast potentiality – for reinvention, for resistance, for redistribution, and for renewal of all kinds – and that it could at any time snap into solidity.  And into action.

Forget about “hope.”  What we need now is intention.

***

About a decade ago, in San Francisco, I was on a PBS talk show with, among others, Myron Ebell, chief of climate propaganda at the Competitive Enterprise Institute.  Ebell is an aggressive professional, and given the host’s commitment to phony balance he was easily able to frame the conversation.[13]  The result was a travesty, but not an entirely wasted time, at least not for me.  It was instructive to speak, tentatively, of the need for global climate justice, and to hear, in response, that I was a non-governmental fraud that was only in it for the money.  Moreover, as the hour wore on, I came to appreciate the brutal simplicity of the denialist strategy.  The whole point is to suck the oxygen out of the room, to weave such a tangle of confusionism and pseudo-debate that the Really Big Question – What is to be done? – becomes impossible to even ask, let alone discuss.

When Superstorm Sandy slammed into the New York City region, Ebell’s style of hard denialism took a body blow, though obviously it has not dropped finally to the mat.  Had it done do, the Big Question, in all its many forms, would be buzzing constantly around us.  Clearly, that great day has not yet come.  Still, back in November of 2012, when Bloomberg’s Business Week blared “It’s Global Warming, Stupid” from its front cover, this was widely welcomed as a overdue milestone.  It may even be that Michael Tobis, the editor of the excellent Planet 3.0, will prove correct in his long-standing, half-facetious prediction that 2015 will be the date when “the Wall Street Journal will acknowledge the indisputable and apparent fact of anthropogenic climate change; the year in which it will simply be ridiculous to deny it.”[14]  Or maybe not.  Maybe that day will never come.  Maybe Ebell’s style of well-funded, front-group denialism will live on, zombie-like, forever.  Or maybe (and this is my personal prediction) hard climate denialism will soon go the way of creationism and far-right Christianity, becoming a kind of political lifestyle choice, one that’s dangerous but contained.  One that’s ultimately more dangerous to the right than it is to the reality-based community.

If so, then at some point we’re going to have to ask ourselves if we’ve been so long distracted by the hard denialists that we’ve missed the parallel danger of a “soft denialism.”  By which I mean the denialism of a world in which, though the dangers of climate change are simply too ridiculous to deny, they still – somehow – are not taken to imply courage, and reckoning, and large-scale mobilization.  This is a long story, but the point is that, now that the Big Question is finally on the table, we’re going to have to answer it.  Which is to say that we’re going to have to face the many ways in which political timidity and small-bore realism have trained us to calibrate our sense of what must be done by our sense of what can be done, which these days is inadequate by definition.

And not just because of the denialists.

George Orwell once said that “To see what is in front of one’s nose needs a constant struggle.”[15]  As we hurtle forward, this struggle will rage as never before.  The Big Question, after all, changes everything.  Another way of saying this is that our futures will be shaped by the effort to avoid a full-on global climate catastrophe.  Despite all the rest of the geo-political and geo-economic commotion that will mark the 21st Century (and there’ll be plenty) it will be most fundamentally the Greenhouse Century.  We know this now, if we care to, though still only in preliminary outline.  The details, inevitably, will surprise us all.

The core problem, of course, will be “ambition” – action on the scale that’s actually necessary, rather than the scale that is or appears to be possible.  And here, the legacies of the denialist age – the long-ingrained habits of soft-pedaling and strained optimism – will weigh heavily.  Consider the quasi-official global goal (codified, for example, in the Copenhagen Accord) to hold total planetary warming to 2°C (Earth surface average) above pre-industrial levels.  This is the so-called “2°C target.”  What are we to do with it in the post-denialist age?  Let me count the complications: One, all sorts of Very Important People are now telling us it’s going to all but impossible to avoid overshooting 2°C.[16]  Two, in so doing, they are making a political and not a scientific judgment, though they’re not always clear on this point.  (It’s probably still technically possible to hold the 2°C line – if we’re not too unlucky – though it wouldn’t be easy under the best of circumstances.)[17]  Three, the 2°C line, which was once taken to be reasonably safe, is now widely seen (at least among the scientists) to mark the approximate point of transition from “dangerous” to “extremely dangerous,” and possibly to altogether unmanageable levels of warming.[18]  Four, and finally, it’s now widely recognized that any future in which we approach the 2°C line (which we will do) is one in which we also have a real possibility of pushing the average global temperature up by 3°C, and if this were to come to pass we’d be playing a very high-stakes game indeed, one in which uncontrolled positive feedbacks and worst-case scenarios were surrounding us on every side.

The bottom line is today as it was decades ago.  Greenhouse-gas emissions were increasing then, and they are increasing now.  In late 2012, the authoritative Global Carbon Project reported that, since 1990, they had risen by an astonishing 58 percent.[19]  The climate system has unsurprisingly responded with storms, droughts, ice-melt, conflagrations and floods.  The weather has become “extreme,” and may finally be getting our attention.  In Australia, according to the acute Mark Thomson of the Institute for Backyard Studies in Adelaide, the crushing heatwave of early 2013 even pushed aside “the idiot commentariat” and cleared the path for a bit of 11th-hour optimism: “Another year of this trend will shift public opinion wholesale.  We’re used to this sort of that temperature now and then and even take a perverse pride in dealing with it, but there seems to be a subtle shift in mood that ‘This Could Be Serious.’”  Let’s hope he’s right.  Let’s hope, too, that the mood shift that swept through America after Sandy also lasts, and leads us, too, to conclude that ‘This Could Be Serious.’  Not that this alone would be enough to support a real mobilization – the “moral equivalent of war” that we need – but it would be something.  It might even lead us to wonder about our future, and about the influence of money and power on our lives, and to ask how serious things will have to get before it becomes possible to imagine a meaningful change of direction.

The wrinkle is that, before we can advocate for a meaningful change of direction, we have to have one we believe in, one that we’re willing to explain in global terms that actually scale to the problem.  None of which is going to be easy, given that we’re fast approaching a point where only tales of existential danger ring true.  (cf the zombie apocalypse).  The Arctic ice, as noted above, offers an excellent marker.  In fact, the first famous photos of Earth from space – the “blue marble” photos taken in 1972 by the crew of the Apollo 17 – allow us to anchor our predicament in time and in memory.  For these are photos of an old Earth now passed away; they must be, because they show great expanses of ice that are nowhere to be found.  By August of 2012 the Arctic Sea’s ice cover had declined by 40%,[20] a melt that’s easily large enough to be visible from space.  Moreover, beneath the surface, ice volume is dropping even more precipitously.  The polar researchers who are now feverishly evaluating the great melting haven’t yet pushed the entire scientific community to the edge of despair, though they have managed to inspire a great deal of dark muttering about positive feedbacks and tipping points.  Soon, it seems, that muttering will become louder.  Perhaps as early as 2015, the Arctic Ocean will become virtually ice free for the first time in recorded history.[21]  When it does, the solar absorptivity of the Arctic waters will increase, and shift the planetary heat balance by a surprisingly large amount, and by so doing increase the rate of  planetary warming.  And this, of course, will not be end of it.  The feedbacks will continue.  The cycles will go on.

Should we remain silent about such matters, for risk of inflaming the “idiot commentariat?”  It’s absurd to even ask.  The suffering is already high, and if you know the science, you also know that the real surprise would be an absence of positive feedbacks.  The ice melt, the methane plumes, the drying of the rainforests – they’re all real.  Which is to say that there are obviously tipping points before us, though we do not and can not know how much time will pass before they force themselves upon our attention.  The real question is what we must do if we would talk of them in good earnest, while at the same time speaking, without despair and effectively, about the human future.


[1] Jorgen Randers, 2052: A Global Forecast for the Next Forty Years, Chelsea Green, 2012, page 99.

[2] Begin at the Carbon Track Initiative’s website.  http://www.carbontracker.org/

[3] Two excellent examples: Naomi Oreskes, Erik M. M. Conway, Merchants of Doubt: How a Handful of Scientists Obscured the Truth on Issues from Tobacco Smoke to Global Warming, Bloomsbury Press, 2011,  Chris Mooney, The Republican War on Science, Basic Books, 2006.

[4] See, for example, Suzanne Goldenberg, “Secret funding helped build vast network of climate denial thinktanks,” February 14, 2013, The Guardian.

[5] “Lord Monckton,” in particular, is fantastic.  See http://www.youtube.com/watch?v=w833cAs9EN0

[6] Randers, 2012.  See also Randers’ essay and video at the University of Cambridge 2013 “State of Sustainability Leadership,” athttp://www.cpsl.cam.ac.uk/About-Us/What-is-Sustainability-Leadership/The-State-of-Sustainability-Leadership.aspx

[7] Ugo Bardi, in The Limits to Growth Revisited (Springer Briefs, 2011) offers this summary:

“If, at the beginning, the debate on LTG had seemed to be balanced, gradually the general attitude on the study became more negative. It tilted decisively against the study when, in 1989, Ronald Bailey published a paper in “Forbes” where he accused the authors of having predicted that the world’s economy should have already run out of some vital mineral commodities whereas that had not, obviously, occurred.

Bailey’s statement was only the result of a flawed reading of the data in a single table of the 1972 edition of LTG. In reality, none of the several scenarios presented in the book showed that the world would be running out of any important commodity before the end of the twentieth century and not even of the twenty-first. However, the concept of the “mistakes of the Club of Rome” caught on. With the 1990s, it became commonplace to state that LTG had been a mistake if not a joke designed to tease the public, or even an attempt to force humankind into a planet-wide dictatorship, as it had been claimed in some earlier appraisals (Golub and Townsend 1977; Larouche 1983). By the end of the twentieth century, the victory of the critics of LTG seemed to be complete. But the debate was far from being settled.”

[8] See, for example, Graham Turner, “A Comparison of The Limits to Growth with Thirty Years of Reality.” Global Environmental Change, Volume 18, Issue 3, August 2008, Pages 397–411.  An unprotected copy (without the graphics) can be downloaded at www.csiro.au/files/files/plje.pdf.  Also

[9] In late 2012, Dennis Meadows said that “In the early 1970s, it was possible to believe that maybe we could make the necessary changes.  But now it is too late.  We are entering a period of many decades of uncontrolled climatic disruption and extremely difficult decline.”  See Christian Parenti, “The Limits to Growth’: A Book That Launched a Movement,” The Nation, December 24, 2012.

[11] Eddie Yuen, “The Politics of Failure Have Failed: The Environmental Movement and Catastrophism,” in Catastrophism: The Apocalyptic Politics of Collapse and Rebirth, Sasha Lilley, David McNally, Eddie Yuen, James Davis, with a foreword by Doug Henwood. PM Press 2012.  Yuen’s whole line is “the main reasons that [it] has not led to more dynamic social movements; these include catastrophe fatigue, the paralyzing effects of fear; the pairing of overwhelmingly bleak analysis with inadequate solutions, and a misunderstanding of the process of politicization.” 

[12] See Glenn Scherer, “Special Report: IPCC, assessing climate risks, consistently underestimates,” The Daily Climate, December 6, 2012.   More formally (and more interestingly) see Brysse, Oreskes, O’Reilly, and Oppenheimer, “Climate change prediction: Erring on the side of least drama?,” Global Environmental Change 23 (2013), 327-337.

[13] KQED-FM, Forum, July 22, 2003.

[14] Michael Tobis, editor of Planet 3.0, is amusing on this point.  He notes that “many data-driven climate skeptics are reassessing the issue,” that “In 1996 I defined the turning point of the discussion about climate science (the point where we could actually start talking about policy) as the date when theWall Street Journal would acknowledge the indisputable and apparent fact of anthropogenic climate change; the year in which it would simply be ridiculous to deny it.  My prediction was that this would happen around 2015… I’m not sure the WSJ has actually accepted reality yet.  It’s just starting to squint in its general direction.  2015 still looks like a good bet.”  See http://planet3.org/2012/08/07/is-the-tide-turning/

[15] The Collected Essays, Journalism and Letters of George Orwell: In Front of Your Nose, 1945-1950, Sonia Orwell and Ian Angus, Editors / Paperback / Harcourt Brace Jovanovich, 1968, p. 125.

[16] See for example, Fatih Birol and Nicholas Stern, “Urgent steps to stop the climate door closing,” The Financial Times, March 9, 2011.  And see Sir Robert Watson’s Union Frontiers of Geophysics Lecture at the 2012 meeting of the American Geophysical Union, athttp://fallmeeting.agu.org/2012/events/union-frontiers-of-geophysics-lecture-professor-sir-bob-watson-cmg-frs-chief-scientific-adviser-to-defra/

[17] I just wrote “probably still technically possible.”  I could have written “Excluding the small probability of a very bad case, and the even smaller probability of a very good case, it’s probably still technically possible to hold the 2°C line, though it wouldn’t be easy.”  This, however, is a pretty ugly sentence.  I could also have written “Unless we’re unlucky, and the climate sensitivity turns out be on the high side of the expected range, it’s still technically possible to hold the 2°C line, though it wouldn’t be easy, unless we’re very lucky, and the climate sensitivity turns out to be on the low side.”  Saying something like this, though, kind of puts the cart before the horse, since I haven’t said anything about “climate sensitivity,” or about how the scientists think about probability – and of course it’s even uglier.  The point, at least for now, is that climate projections are probabilistic by nature, which does not mean that they are merely “uncertain.”  We know a lot about the probabilities.

[18] See Kevin Anderson, a former director of Britain’s Tyndall Center, who has been unusually frank on this point.  His views are clearly laid out in a (non-peer-reviewed) essay published by the Dag Hammarskjold Foundation in Sweden.  See “Climate change going beyond dangerous – Brutal numbers and tenuous hope” in Development Dialog #61, September 2012, available at http://www.dhf.uu.se/wordpress/wp-content/uploads/2012/10/dd61_art2.pdf.  For a peer-reviewed paper, see Anderson and Bows, “Beyond ‘dangerous’ climate change: emission scenarios for a new world.”  Philosophical Transactions of The Royal Society, (2011) 369, 20-44 and for a lecture, see “Are climate scientists the most dangerous climate skeptics?” a Tyndall Centre video lecture (September 2010) at http://www.tyndall.ac.uk/audio/are-climate-scientist-most-dangerous-climate-sceptics.

[19] “The challenge to keep global warming below 2°C,” Glen P. Peters, et. al., Nature Climate Change (2012) 3, 4–6 (2013) doi:10.1038/nclimate1783.  December 2, 2012.  This figure might actually be revised upward, as 2012 saw the second-largest annual  concentration increase on record (http://climatedesk.org/2013/03/large-rise-in-co2-emissions-sounds-climate-change-alarm/)

[20] The story of the photos is on Wikipedia – see “blue marble.”  For the latest on the Arctic ice, see the “Arctic Sea Ice News and Analysis” page that the National Snow and Ice Data Center — http://nsidc.org/arcticseaicenews/

[21] Climate Progress is covering the “Arctic Death Spiral” in detail.  See for example Joe Romm, “NOAA: Climate Change Driving Arctic Into A ‘New State’ With Rapid Ice Loss And Record Permafrost Warming,” Climate Progress, Dec 6, 2012.  Give yourself a few hours and follow the links.

Climate Maverick to Retire From NASA (N.Y.Times)

Michael Nagle for The New York Times. James E. Hansen of NASA, retiring this week, reflected in a window at his farm in Pennsylvania.

By 

Published: April 1, 2013

His departure, after a 46-year career at the space agency’s Goddard Institute for Space Studies in Manhattan, will deprive federally sponsored climate research of its best-known public figure.

At the same time, retirement will allow Dr. Hansen to press his cause in court. He plans to take a more active role in lawsuits challenging the federal and state governments over their failure to limit emissions, for instance, as well as in fighting the development in Canada of a particularly dirty form of oil extracted from tar sands.

“As a government employee, you can’t testify against the government,” he said in an interview.

Dr. Hansen had already become an activist in recent years, taking vacation time from NASA to appear at climate protests and allowing himself to be arrested or cited a half-dozen times.

But those activities, going well beyond the usual role of government scientists, had raised eyebrows at NASA headquarters in Washington. “It was becoming clear that there were people in NASA who would be much happier if the ‘sideshow’ would exit,” Dr. Hansen said in an e-mail.

At 72, he said, he feels a moral obligation to step up his activism in his remaining years.

“If we burn even a substantial fraction of the fossil fuels, we guarantee there’s going to be unstoppable changes” in the climate of the earth, he said. “We’re going to leave a situation for young people and future generations that they may have no way to deal with.”

His departure, on Wednesday, will end a career of nearly half a century working not just for a single agency but also in a single building, on the edge of the Columbia University campus.

From that perch, seven floors above the diner made famous by “Seinfeld,” Dr. Hansen battled the White House, testified dozens of times in Congress, commanded some of the world’s most powerful computers and pleaded with ordinary citizens to grasp the basics of a complex science.

His warnings and his scientific papers have drawn frequent attack from climate-change skeptics, to whom he gives no quarter. But Dr. Hansen is a maverick, just as likely to vex his allies in the environmental movement. He supports nuclear power and has taken stands that sometimes undercut their political strategy in Washington.

In the interview and in subsequent e-mails, Dr. Hansen made it clear that his new independence would allow him to take steps he could not have taken as a government employee. He plans to lobby European leaders — who are among the most concerned about climate change — to impose a tax on oil derived from tar sands. Its extraction results in greater greenhouse emissions than conventional oil.

Dr. Hansen’s activism of recent years dismayed some of his scientific colleagues, who felt that it backfired by allowing climate skeptics to question his objectivity. But others expressed admiration for his willingness to risk his career for his convictions.

Initially, Dr. Hansen plans to work out of a converted barn on his farm in Pennsylvania. He has not ruled out setting up a small institute or taking an academic appointment.

He said he would continue publishing scientific papers, but he will no longer command the computer time and other NASA resources that allowed him to track the earth’s rising temperatures and forecast the long-run implications.

Dr. Hansen, raised in small-town Iowa, began his career studying Venus, not the earth. But as concern arose in the 1970s about the effects of human emissions of greenhouse gases, he switched gears, publishing pioneering scientific papers.

His initial estimate of the earth’s sensitivity to greenhouse gases was somewhat on the high side, later work showed. But he was among the first scientists to identify the many ways the planet is likely to respond to rising temperatures and to show how those effects would reinforce one another to produce immense changes in the climate and environment, including a sea level rise that could ultimately flood many of the world’s major cities.

“He’s done the most important science on the most important question that there ever was,” said Bill McKibben, a climate activist who has worked closely with Dr. Hansen.

Around the time Dr. Hansen switched his research focus, in the 1970s, a sharp rise in global temperatures began. He labored in obscurity over the next decade, but on a blistering June day in 1988 he was called before a Congressional committee and testifiedthat human-induced global warming had begun.

Speaking to reporters afterward in his flat Midwestern accent, he uttered a sentence that would appear in news reports across the land: “It is time to stop waffling so much and say that the evidence is pretty strong that the greenhouse effect is here.”

Given the natural variability of climate, it was a bold claim to make after only a decade of rising temperatures, and to this day some of his colleagues do not think he had the evidence.

Yet subsequent events bore him out. Since the day he spoke, not a single month’s temperatures have fallen below the 20th-century average for that month. Half the world’s population is now too young to have lived through the last colder-than-average month, February 1985.

In worldwide temperature records going back to 1880, the 19 hottest years have all occurred since his testimony.

Again and again, Dr. Hansen made predictions that were ahead of the rest of the scientific community and, arguably, a bit ahead of the evidence.

“Jim has a real track record of being right before you can actually prove he’s right with statistics,” said Raymond T. Pierrehumbert, a planetary scientist at the University of Chicago.

Dr. Hansen’s record has by no means been spotless. Even some of his allies consider him prone to rhetorical excess and to occasional scientific error.

He has repeatedly called for trying the most vociferous climate-change deniers for “crimes against humanity.” And in recent years, he stated that excessive carbon dioxide emissions might eventually lead to a runaway greenhouse effect that would boil the oceans and render earth uninhabitable, much like Venus.

His colleagues pointed out that this had not happened even during exceedingly warm episodes in the earth’s ancient past. “I have huge respect for Jim, but in this particular case, he overstated the risk,” said Daniel P. Schrag, a geochemist and the head of Harvard’s Center for the Environment, who is nonetheless deeply worried about climate change.

Climate skeptics have routinely accused Dr. Hansen of alarmism. “He consistently exaggerates all the dangers,” Freeman Dyson, the famed physicist and climate contrarian,told The New York Times Magazine in 2009.

Perhaps the biggest fight of Dr. Hansen’s career broke out in late 2005, when a young political appointee in the administration of George W. Bush began exercising control over Dr. Hansen’s statements and his access to journalists. Dr. Hansen took the fight public and the administration backed down.

For all his battles with conservatives, however, he has also been hard on environmentalists. He was a harsh critic of a failed climate bill they supported in 2009, on the grounds that it would have sent billions into the federal government’s coffers without limiting emissions effectively.

Dr. Hansen agrees that a price is needed on carbon dioxide emissions, but he wants the money returned to the public in the form of rebates on tax bills. “It needs to be done on the basis of conservative principles — not one dime to make the government bigger,” said Dr. Hansen, who is registered as a political independent.

In the absence of such a broad policy, Dr. Hansen has been lending his support to fights against individual fossil fuel projects. Students lured him to a coal protest in 2009, and he was arrested for the first time. That fall he was cited again after sleeping overnight in a tent on the Boston Common with students trying to pressure Massachusetts into passingclimate legislation.

“It was just humbling to have that solidarity and support from this leader, this lion among men,” said Craig S. Altemose, an organizer of the Boston protest.

Dr. Hansen says he senses the beginnings of a mass movement on climate change, led by young people. Once he finishes his final papers as a NASA employee, he intends to give it his full support.

“At my age,” he said, “I am not worried about having an arrest record.”

Secretário da ONU pede urgência na criação de metas globais para o clima (G1/Globo Natureza)

JC e-mail 4699, de 05 de Abril de 2013.

Ban Ki-moon disse que será tarde demais se nada for feito até 2015. Data é limite para criar acordo global que reduza emissão de gases-estufa

O secretário-geral da ONU, Ban Ki-moon, declarou nesta quarta-feira (3) em Mônaco que será “tarde demais” para salvar o meio ambiente, se não forem adotadas medidas vinculantes até 2015 para o clima.

“As palavras não foram seguidas por ações. Logo será tarde demais. Nossos padrões de consumo são incompatíveis com a saúde do planeta”, indicou Ban Ki-moon, diante de uma plateia de personalidades. “Devemos agir agora, se quisermos que em 2050 o planeta continue a ser habitável para os seus nove bilhões de pessoas”, argumentou.

Ele se refere à criação de um novo tratado (ou protocolo) previsto para ser assinado em 2015 e entrar em vigor a partir de 2020, quando o Protocolo de Kyoto perder sua validade. Assim, todos países pretendem terão que cumprir metas para reduzir os gases de efeito estufa e conter a elevação da temperatura do planeta.

Dos noventa objetivos adotados pela comunidade internacional relacionados a questões ambientais nos últimos 20 anos, apenas quatro registraram progressos significativos, lamentou o secretário das Nações Unidas.

Problemas ambientais

Segundo a agência de notícias France Presse, ele destacou como problemas atuais a diminuição da biodiversidade, a redução dos recursos pesqueiros, a maior acidez dos oceanos e o aumento das emissões de gases do efeito estufa. “Temos que acelerar nossa dinâmica. Precisamos desenvolver o que estamos testando em tubos de ensaio há 40 anos. Para isso, devemos adotar medidas de incentivos eficazes, e principalmente colocar um preço sobre as emissões de carbono”, declarou.

“Também devemos adotar, até 2015, um instrumento universal e jurídico vinculante relativo ao clima, de modo que todos os países adotem medidas adicionais para reduzir os efeitos da mudança climática”, instou o secretário-geral das Nações Unidas.

Homenagens em Mônaco

Ban também prestou homenagem à Fundação Prince Albert II de Mônaco, que “é respeitada em todo o mundo pelo trabalho que faz nas áreas da biodiversidade, da água e na luta contra as mudanças climáticas”.

“No momento em que a terra e os oceanos sofrem pressões sem precedentes, em particular devido ao crescimento da população global e às mudanças climáticas, é nossa responsabilidade agir de forma decisiva para preparar para o futuro”, declarou por sua vez o príncipe Albert de Mônaco.

Para o pequeno principado, a visita oficial de Ban Ki-moon marca o 20º aniversário da entrada do Mônaco na Organização das Nações Unidas, em 28 de maio de 1993. “Eu lembro com carinho o orgulho que ele sentiu por esse reconhecimento”, disse o soberano em referência a seu pai, o príncipe Rainier III.

Ban Ki-moon, que iniciou nesta semana um giro europeu com uma visita aos pequenos principados de San Marino e Andorra, também visitará a Espanha e a Holanda. Ele se reunirá na quinta-feira (4) em Mônaco com o chefe de governo.

Chimps: Ability to ‘Think About Thinking’ Not Limited to Humans (Science Daily)

Apr. 3, 2013 — Humans’ closest animal relatives, chimpanzees, have the ability to “think about thinking” — what is called “metacognition,” according to new research by scientists at Georgia State University and the University at Buffalo.

Humans’ closest animal relatives, chimpanzees, have the ability to “think about thinking.” (Credit: © Ambigreen / Fotolia)

Michael J. Beran and Bonnie M. Perdue of the Georgia State Language Research Center (LRC) and J. David Smith of the University at Buffalo conducted the research, published in the journalPsychological Science of the Association for Psychological Science.

“The demonstration of metacognition in nonhuman primates has important implications regarding the emergence of self-reflective mind during humans’ cognitive evolution,” the research team noted.

Metacognition is the ability to recognize one’s own cognitive states. For example, a game show contestant must make the decision to “phone a friend” or risk it all, dependent on how confident he or she is in knowing the answer.

“There has been an intense debate in the scientific literature in recent years over whether metacognition is unique to humans,” Beran said.

Chimpanzees at Georgia State’s LRC have been trained to use a language-like system of symbols to name things, giving researchers a unique way to query animals about their states of knowing or not knowing.

In the experiment, researchers tested the chimpanzees on a task that required them to use symbols to name what food was hidden in a location. If a piece of banana was hidden, the chimpanzees would report that fact and gain the food by touching the symbol for banana on their symbol keyboards.

But then, the researchers provided chimpanzees either with complete or incomplete information about the identity of the food rewards.

In some cases, the chimpanzees had already seen what item was available in the hidden location and could immediately name it by touching the correct symbol without going to look at the item in the hidden location to see what it was.

In other cases, the chimpanzees could not know what food item was in the hidden location, because either they had not seen any food yet on that trial, or because even if they had seen a food item, it may not have been the one moved to the hidden location.

In those cases, they should have first gone to look in the hidden location before trying to name any food.

In the end, chimpanzees named items immediately and directly when they knew what was there, but they sought out more information before naming when they did not already know.

The research team said, “This pattern of behavior reflects a controlled information-seeking capacity that serves to support intelligent responding, and it strongly suggests that our closest living relative has metacognitive abilities closely related to those of humans.”

The research was supported in part by the National Institutes of Health and the National Science Foundation.

Journal Reference:

  1. M. J. Beran, J. D. Smith, B. M. Perdue. Language-Trained Chimpanzees (Pan troglodytes) Name What They Have Seen but Look First at What They Have Not SeenPsychological Science, 2013; DOI:10.1177/0956797612458936

You Don’t ‘Own’ Your Own Genes: Researchers Raise Alarm About Loss of Individual ‘Genomic Liberty’ Due to Gene Patents (Science Daily)

Mar. 25, 2013 — Humans don’t “own” their own genes, the cellular chemicals that define who they are and what diseases they might be at risk for. Through more than 40,000 patents on DNA molecules, companies have essentially claimed the entire human genome for profit, report two researchers who analyzed the patents on human DNA.

In a new study, researchers report that through more than 40,000 patents on DNA molecules, companies have essentially claimed the entire human genome for profit. (Credit: © X n’ Y hate Z / Fotolia)

Their study, published March 25 in the journal Genome Medicine, raises an alarm about the loss of individual “genomic liberty.”

In their new analysis, the research team examined two types of patented DNA sequences: long and short fragments. They discovered that 41 percent of the human genome is covered by longer DNA patents that often cover whole genes. They also found that, because many genes share similar sequences within their genetic structure, if all of the “short sequence” patents were allowed in aggregate, they could account for 100 percent of the genome.

Furthermore, the study’s lead author, Dr. Christopher E. Mason of Weill Cornell Medical College, and the study’s co-author, Dr. Jeffrey Rosenfeld, an assistant professor of medicine at the University of Medicine & Dentistry of New Jersey and a member of the High Performance and Research Computing Group, found that short sequences from patents also cover virtually the entire genome — even outside of genes.

“If these patents are enforced, our genomic liberty is lost,” says Dr. Mason, an assistant professor of physiology and biophysics and computational genomics in computational biomedicine at the Institute for Computational Biomedicine at Weill Cornell. “Just as we enter the era of personalized medicine, we are ironically living in the most restrictive age of genomics. You have to ask, how is it possible that my doctor cannot look at my DNA without being concerned about patent infringement?”

The U.S. Supreme Court will review genomic patent rights in an upcoming hearing on April 15. At issue is the right of a molecular diagnostic company to claim patents not only on two key breast and ovarian cancer genes — BRCA1 and BRCA2 — but also on any small sequence of code within BRCA1, including a striking patent for only 15 nucleotides.

In its study, the research team matched small sequences within BRCA1 to other genes and found that just this one molecular diagnostic company’s patents also covered at least 689 other human genes — most of which have nothing to do with breast or ovarian cancer; rather, its patents cover 19 other cancers as well as genes involved in brain development and heart functioning.

“This means if the Supreme Court upholds the current scope of the patents, no physician or researcher can study the DNA of these genes from their patients, and no diagnostic test or drug can be developed based on any of these genes without infringing a patent,” says Dr. Mason.

One Patented Sequence Matched More Than 91 Percent of Human Genes

Dr. Mason undertook the study because he realized that his research into brain and cancer disorders inevitably involved studying genes that were protected by patents.

Under U.S. patent law, genes can be patented by those researchers, either at companies or institutions, who are first to find a gene that promises a useful application, such as for a diagnostic test. For example, the patents received by a company in the 1990s on BRCA1 and BRCA2 enables it to offer a diagnostic test to women who may have, or may be at risk for, breast or ovarian cancer due to mutations in one or both of these genes. Women and their doctors have no choice but to use the services of the patents’ owner, which costs $3,000 per test, “whereas any of the hundreds of clinical laboratories around the country could perform such a test for possibly much less,” says Dr. Mason.

The impact on these patents is equally onerous on research, Dr. Mason adds.

“Almost every day, I come across a gene that is patented — a situation that is common for every geneticist in every lab,” says Dr. Mason.

Dr. Mason and his research partner sought to determine how many other genes may be impacted by gene patents, as well as the overall landscape of intellectual property on the human genome.

To conduct the study, Dr. Mason and Dr. Rosenfeld examined the structure of the human genome in the context of two types of patented sequences: short and long fragments of DNA. They used matches to known genes that were confirmed to be present in patent claims, ranging from as few as 15 nucleotides (the building blocks of DNA) to the full length of all patented DNA fragments.

Before examining the patented sequences, the researchers first calculated how many genes had common segments of 15 nucleotide (15mer), and found that every gene in the human genome matched at least one other gene in this respect, ranging from as few as five matches 15mer to as many as 7,688 gene matches. They also discovered that 99.999 percent of 15mers in the human genome are repeated at least twice.

“This demonstrates that short patent sequences are extremely non-specific and that a 15mer claim from one gene will always cross-match and patent a portion of another gene as well,” says Dr. Mason. “This means it is actually impossible to have a 15mer patent for just one gene.”

Next, researchers examined the total sequence space in human genes covered by 15mers in current patent claims. They found 58 patents whose claims covered at least 10 percent of all bases of all human genes. The broadest patent claimed sequences that matched 91.5 percent of human genes. Then, when they took existing gene patents and matched patented 15mers to known genes, they discovered that 100 percent of known genes are patented.

“There is a real controversy regarding gene ownership due to the overlap of many competing patent claims. It is unclear who really owns the rights to any gene,” says Dr. Rosenfeld. “While the Supreme Court is hearing one case concerning just the BRCA1 patent, there are also many other patents whose claims would cover those same genes. Do we need to go through every gene to look at who made the first claim to that gene, even if only one small part? If we resort to this rule, then the first patents to be granted for any DNA will have a vast claim over portions of the human genome.”

A further issue of concern is that patents on DNA can readily cross species boundaries. A company can have a patent that they received for cow breeding and have that patent cover a large percentage of human genes. Indeed, the researchers found that one company owns the rights to 84 percent of all human genes for a patent they received for cow breeding. “It seems silly that a patent designed to study cow genetics also claims the majority of human genes,” says Dr. Rosenfeld.

Finally, they also examined the impact of longer claimed DNA sequences from existing gene patents, which ranged from a few dozen bases up to thousands of bases of DNA, and found that these long, claimed sequences matched 41 percent (9,361) of human genes. Their analysis concluded that almost all clinically relevant genes have already been patented, especially for short sequence patents, showing all human genes are patented many times over.

“This is, so to speak, patently ridiculous,” adds Dr. Mason. “If patent claims that use these small DNA sequences are upheld, it could potentially create a situation where a piece of every gene in the human genome is patented by a phalanx of competing patents.”

In their discussion, the researchers argue that the U.S. Supreme Court now has a chance to shape the balance between the medical good versus inventor protection, adding that, in their opinion, the court should limit the patenting of existing nucleotide sequences, due to their broad scope and non-specificity in the human genome.

“I am extremely pro-patent, but I simply believe that people should not be able to patent a product of nature,” Dr. Mason says. “Moreover, I believe that individuals have an innate right to their own genome, or to allow their doctor to look at that genome, just like the lungs or kidneys. Failure to resolve these ambiguities perpetuates a direct threat to genomic liberty, or the right to one’s own DNA.”

Journal Reference:

  1. Jeffrey Rosenfeld, and Christopher E Mason. Pervasive sequence patents cover the entire human genome.Genome Medicine, 2013 (in press) DOI: 10.1186/gm431

Survey Shows Many Republicans Feel America Should Take Steps to Address Climate Change (Science Daily)

Apr. 2, 2013 — In a recent survey of Republicans and Republican-leaning Independents conducted by the Center for Climate Change Communication (4C) at George Mason University, a majority of respondents (62 percent) said they feel America should take steps to address climate change. More than three out of four survey respondents (77 percent) said the United States should use more renewable energy sources, and of those, most believe that this change should begin immediately.

The national survey, conducted in January 2013, asked more than 700 people who self-identified as Republicans and Republican-leaning Independents about energy and climate change.

“Over the past few years, our surveys have shown that a growing number of Republicans want to see Congress do more to address climate change,” said Mason professor Edward Maibach, director of 4C. “In this survey, we asked a broader set of questions to see if we could better understand how Republicans, and Independents who have a tendency to vote Republican, think about America’s energy and climate change situation.”

Other highlights from the survey include the following:

  • Republicans and Republican-leaning Independents prefer clean energy as the basis of America’s energy future and say the benefits of clean energy, such as energy independence (66 percent) saving resources for our children and grandchildren (57 percent), and providing a better life for our children and grandchildren (56 percent) outweigh the costs, such as more government regulation (42 percent) or higher energy prices (31 percent).
  • By a margin of 2 to 1, respondents say America should take action to reduce its fossil fuel use.
  • Only one third of respondents agree with the Republican Party’s position on climate change, while about half agree with the party’s position on how to meet America’s energy needs.
  • A large majority of respondents say their elected representatives are unresponsive to their views about climate change.

“The findings from this survey suggest there is considerable support among conservatives for accelerating the transition away from fossil fuels and toward clean renewable forms of energy, and for taking steps to address climate change,” said Maibach. “Perhaps the most surprising finding, however, is how few of our survey respondents agreed with the Republican Party’s current position on climate change.”

The report can be downloaded at: http://climatechangecommunication.org

The report is based on findings from a nationally representative survey conducted by the George Mason University Center for Climate Change Communication. A total of 726 adults (18+) were interviewed between January 12th and January 27th, 2013. The average margin of error for the survey +/- 4 percentage points at the 95% confidence level.

Violent Video Games Are a Risk Factor for Criminal Behavior and Aggression, New Evidence Shows (Science Daily)

Mar. 26, 2013 — People are quick to point the finger or dismiss the effect of violent video games as a factor in criminal behavior. New evidence from Iowa State researchers demonstrates a link between video games and youth violence and delinquency.

Iowa State researchers say there is a strong connection between violent video games and youth violence and delinquency. (Credit: Photo by Bob Elbert)

Matt DeLisi, a professor of sociology, said the research shows a strong connection even when controlling for a history of violence and psychopathic traits among juvenile offenders.

“When critics say, ‘Well, it’s probably not video games, it’s probably how antisocial they are,’ we can address that directly because we controlled for a lot of things that we know matter,” DeLisi said. “Even if you account for the child’s sex, age, race, the age they were first referred to juvenile court — which is a very powerful effect — and a bunch of other media effects, like screen time and exposure. Even with all of that, the video game measure still mattered.”

The results were not unexpected, but somewhat surprising for Douglas Gentile, an associate professor of psychology, who has studied the effects of video game violence exposure and minor aggression, like hitting, teasing and name-calling.

“I didn’t expect to see much of an effect when we got to serious delinquent and criminal level aggression because youth who commit that level of aggression have a lot of things going wrong for them. They often have a lot of risk factors and very few protective factors in their lives,” Gentile said.

The study published in the April issue of Youth Violence and Juvenile Justice examined the level of video game exposure for 227 juvenile offenders in Pennsylvania. The average offender had committed nearly nine serious acts of violence, such as gang fighting, hitting a parent or attacking another person in the prior year.

The results show that both the frequency of play and affinity for violent games were strongly associated with delinquent and violent behavior. Craig Anderson, Distinguished Professor of psychology and director of the Center for the Study of Violence at Iowa State, said violent video game exposure is not the sole cause of violence, but this study shows it is a risk factor.

“Can we say from this study that Adam Lanza, or any of the others, went off and killed people because of media violence? You can’t take the stand of the NRA that it’s strictly video games and not guns,” Anderson said. “You also can’t take the stand of the entertainment industry that it has nothing to do with media violence that it’s all about guns and not about media violence. They’re both wrong and they’re both right, both are causal risk factors.”

Researchers point out that juvenile offenders have several risk factors that influence their behavior. The next step is to build on this research to determine what combination of factors is the most volatile and if there is a saturation point.

“When studying serious aggression, looking at multiple risk factors matters more than looking at any one,” Gentile said. “The cutting edge of research is trying to understand in what combination do the individual risk factors start influencing each other in ways to either enhance or mitigate the odds of aggression?”

What does this mean for parents?

There is a lot of misinformation about video game exposure, Anderson said, that makes it difficult for parents to understand the harmful effects. Although it is one variable that parents can control, he understands that with mixed messages about the risks some parents may feel it’s not worth the effort.

“What parent would go through the pain and all the effort it takes to really control their child’s media diet, if they don’t really think it makes any difference? That is why it is so important to get out the simple and clear message that media violence does matter,” Anderson said.

Just because a child plays a violent video game does not mean he or she is going to act violently. Researchers say if there is a take away for parents, it is an awareness of what their children are playing and how that may influence their behavior.

“I think parents need to be truthful and honest about who their children are in terms of their psychiatric functioning,” DeLisi said. “If you have a kid who is antisocial, who is a little bit vulnerable to influence, giving them something that allows them to escape into themselves for a long period of time isn’t a healthy thing.”

Journal Reference:

  1. M. DeLisi, M. G. Vaughn, D. A. Gentile, C. A. Anderson, J. J. Shook. Violent Video Games, Delinquency, and Youth Violence: New EvidenceYouth Violence and Juvenile Justice, 2012; 11 (2): 132 DOI:10.1177/1541204012460874

Women Make Better Decisions Than Men, Study Suggests (Science Daily)

Mar. 25, 2013 — Women’s abilities to make fair decisions when competing interests are at stake make them better corporate leaders, researchers have found.

A survey of more than 600 board directors showed that women are more likely to consider the rights of others and to take a cooperative approach to decision-making. This approach translates into better performance for their companies.

The study, which was published this week in the International Journal of Business Governance and Ethics, was conducted by Chris Bart, professor of strategic management at the DeGroote School of Business at McMaster University, and Gregory McQueen, a McMaster graduate and senior executive associate dean at A.T. Still University’s School of Osteopathic Medicine in Arizona.

“We’ve known for some time that companies that have more women on their boards have better results,” explains Bart. “Our findings show that having women on the board is no longer just the right thing but also the smart thing to do. Companies with few female directors may actually be shortchanging their investors.”

Bart and McQueen found that male directors, who made up 75% of the survey sample, prefer to make decisions using rules, regulations and traditional ways of doing business or getting along.

Female directors, in contrast, are less constrained by these parameters and are more prepared to rock the boat than their male counterparts.

In addition, women corporate directors are significantly more inclined to make decisions by taking the interests of multiple stakeholders into account in order to arrive at a fair and moral decision. They will also tend to use cooperation, collaboration and consensus-building more often — and more effectively — in order to make sound decisions.

Women seem to be predisposed to be more inquisitive and to see more possible solutions. At the board level where directors are compelled to act in the best interest of the corporation while taking the viewpoints of multiple stakeholders into account, this quality makes them more effective corporate directors, explains McQueen.

Globally, women make up approximately 9% of corporate board memberships. Arguments for gender equality, quotas and legislation have done little to increase female representation in the boardroom, despite evidence showing that their presence has been linked to better organizational performance, higher rates of return, more effective risk management and even lower rates of bankruptcy. Bart’s and McQueen’s finding that women’s higher quality decision-making ability makes them more effective than their male counterparts gives boards a method to deal with the multifaceted social issues and concerns currently confronting corporations.

The International Journal of Business Governance and Ethicsis available online.

How do people make decisions?

  • Personal interest reasoning: The decision maker is motivated by ego, selfishness and the desire to avoid trouble. This method is most often exhibited by young children who largely tend to be motivated to seek pleasure and avoid pain.
  • Normative reasoning: The decision maker tries to avoid “rocking the boat” by adhering to rules, laws or norms. Stereotypical examples of groups that use this form of reasoning include organizations with strong established cultures like Mary Kay or the US Marines.
  • Complex moral reasoning: The decision maker acknowledges and considers the rights of others in the pursuit of fairness by using a social cooperation and consensus building approach that is consistently applied in a non-arbitrary fashion.

Why should boards have more female directors?

  • Boards with high female representation experience a 53% higher return on equity, a 66% higher return on invested capital and a 42% higher return on sales (Joy et al., 2007).
  • Having just one female director on the board cuts the risk of bankruptcy by 20% (Wilson, 2009).
  • When women directors are appointed, boards adopt new governance practices earlier, such as director training, board evaluations, director succession planning structures (Singh and Vinnicombe, 2002)
  • Women make other board members more civilized and sensitive to other perspectives (Fondas and Sassalos, 2000) and reduce ‘game playing’ (Singh, 2008)
  • Female directors are more likely to ask questions rather than nodding through decisions (Konrad et al., 2008).

Journal Reference:

  1. Chris Bart, Gregory McQueen. Why women make better directorsInternational Journal of Business Governance and Ethics, 2013; 8 (1): 93 DOI:10.1504/IJBGE.2013.052743

Young Women Do Not Want to Run for Office, Experts Say (Science Daily)

Mar. 26, 2013 — Despite some very high-profile female candidates and elected officials, and what looks like a changing landscape of U.S. politics, a new study conducted by American University professor and director of its Women and Politics Institute Jennifer L. Lawless and Richard L. Fox (Loyola Marymount University) reveals that young women are less likely than young men ever to have considered running for office, to express interest in a candidacy at some point in the future, or to consider elective office a desirable profession.

Data are based on responses from 1,020 men and 1,097 women. Bars represent the percentage of men and women who fall into each category. The gender gap in each comparison is statistically significant at p < .05. (Credit: Image courtesy of American University)

In their new report, Girls Just Wanna Not Run: The Gender Gap in Young Americans’ Political Ambition, Lawless and Fox detail the results of a survey of a national sample of more than 2,100 college students. The authors find a dramatic gap between women and men’s interest in running for office; men were twice as likely as women to have thought about running for office “many times,” whereas women were 20 percentage points more likely than men never to have considered it. Importantly, the 20 point gap is just as large as the one we previously uncovered among adult professionals (in their 40s and 50s) who were well-situated to pursue a candidacy.

The report identifies five factors that contribute to the gender gap in political ambition among college students:

1. Young men are more likely than young women to be socialized by their parents to think about politics as a career path.

2. From their school experiences to their peer associations to their media habits, young women tend to be exposed to less political information and discussion than do young men.

3. Young men are more likely than young women to have played organized sports and care about winning.

4. Young women are less likely than young men to receive encouragement to run for office — from anyone.

5. Young women are less likely than young men to think they will be qualified to run for office, even in the not-so-near future.

Given this persistent gender gap in political ambition, we are a long way from a political reality in which young women and men are equally likely to aspire to seek and hold elective office in the future. Certainly, recruitment efforts by women’s organizations — nationally and on college campuses — can chip away at the gender imbalance in interest in running for office. Encouraging parents, family members, teachers, and coaches to urge young women to think about a political career can mitigate the gender gap in ambition, too. And spurring young women to immerse themselves in competitive environments, such as organized sports, can go a long way in reinforcing the competitive spirit associated with interest in a future candidacy. But women’s under-representation in elective office is likely to extend well into the future. In the end, this report documents how far from gender parity we remain and the deeply embedded nature of the obstacles we must still overcome to achieve it.

Controversial Worm Keeps Its Position as Progenitor of Humankind (Science Daily)

Xenoturbella bocki worm. (Credit: Hiroaki Nakano)

Mar. 27, 2013 — Researchers are arguing about whether or not the Xenoturbella bocki worm is the progenitor of humankind. But new studies indicate that this is actually the case.

Swedish researchers from the University of Gothenburg and the Gothenburg Natural History Museum are involved in the international study. The results have been published in Nature Communications.

The Xenoturbella bocki worm is a one-centimetre long worm with a simple body plan that is only found regularly by the west coast of Sweden. The worm lacks a brain, sexual organs and other vital organs.

Zoologists have long disagreed about whether or not the Xenoturbella bocki worm holds a key position in the animal tree of life. If it does have a key position, it is very important for the understanding of the evolutionary development of organs and cell functions, such as stem cells, for example. The question is therefore not only important in the field of biology, but also for potential biomedical applications.

“It’s absolutely fantastic that one of the key evolutionary organisms in the animal kingdom lives right on the doorstep of the University of Gothenburg’s Centre for Marine Research. And this is actually the only place in the whole world where you can do research on the creature,” says Matthias Obst from the Department of Biological and Environmental Sciences at the University of Gothenburg.

Genetic studies indicate that theXenoturbella bocki worm belongs to the group of deuterostomes, the exclusive group to which human’s belongs.

“So maybe we’re more closely related to the Xenoturbella bocki worm, which doesn’t have a brain, than we are to lobsters and flies, for example,” says Matthias Obst.

Even though the worm does not particularly resemble man, development biologists have referred to the fact that the early embryonic development of the worm may display similarities with the group to which man belongs. But the problem has been that no one has previously been able to see the development of the creature.

But now a group of researchers at the Sven Lovén Centre for Marine Sciences and the Gothenburg Natural History Museum have succeeded in doing what no one else has done before: to isolate newly born little Xenoturbella bocki worms.

“And these new-born worms revealed absolutely no remnants at all of advanced features! Instead, they exhibit similarities with quite simple, ancient animals such as corals and sponges,” says Matthias Obst.

The studies also reveal the value of the University of Gothenburg’s marine stations for important basic research.

“The Lovén Centre at the University of Gothenburg is the only place in the whole world where you can study this paradoxical animal (in Swedish called ‘Paradox worm’). That’s one reason why researchers come from all over the world to Gullmarsfjorden to solve one of the great mysteries in the evolution of animal life,” says Matthias Obst.

Journal Reference:

  1. Hiroaki Nakano, Kennet Lundin, Sarah J. Bourlat, Maximilian J. Telford, Peter Funch, Jens R. Nyengaard, Matthias Obst, Michael C. Thorndyke. Xenoturbella bocki exhibits direct development with similarities to AcoelomorphaNature Communications, 2013; 4: 1537 DOI: 10.1038/ncomms2556

The Tar Sands Disaster (N.Y.Times)

OP-ED CONTRIBUTOR

By THOMAS HOMER-DIXON

Published: March 31, 2013

WATERLOO, Ontario

Rick Froberg

IF President Obama blocks the Keystone XL pipeline once and for all, he’ll do Canada a favor.

Canada’s tar sands formations, landlocked in northern Alberta, are a giant reserve of carbon-saturated energy — a mixture of sand, clay and a viscous low-grade petroleum called bitumen. Pipelines are the best way to get this resource to market, but existing pipelines to the United States are almost full. So tar sands companies, and the Alberta and Canadian governments, are desperately searching for export routes via new pipelines.

Canadians don’t universally support construction of the pipeline. A poll by Nanos Research in February 2012 found that nearly 42 percent of Canadians were opposed. Many of us, in fact, want to see the tar sands industry wound down and eventually stopped, even though it pumps tens of billions of dollars annually into our economy.

The most obvious reason is that tar sands production is one of the world’s most environmentally damaging activities. It wrecks vast areas of boreal forest through surface mining and subsurface production. It sucks up huge quantities of water from local rivers, turns it into toxic waste and dumps the contaminated water into tailing ponds that now cover nearly 70 square miles.

Also, bitumen is junk energy. A joule, or unit of energy, invested in extracting and processing bitumen returns only four to six joules in the form of crude oil. In contrast, conventional oil production in North America returns about 15 joules. Because almost all of the input energy in tar sands production comes from fossil fuels, the process generates significantly more carbon dioxide than conventional oil production.

There is a less obvious but no less important reason many Canadians want the industry stopped: it is relentlessly twisting our society into something we don’t like. Canada is beginning to exhibit the economic and political characteristics of a petro-state.

Countries with huge reserves of valuable natural resources often suffer from economic imbalances and boom-bust cycles. They also tend to have low-innovation economies, because lucrative resource extraction makes them fat and happy, at least when resource prices are high.

Canada is true to type. When demand for tar sands energy was strong in recent years, investment in Alberta surged. But that demand also lifted the Canadian dollar, which hurt export-oriented manufacturing in Ontario, Canada’s industrial heartland. Then, as the export price of Canadian heavy crude softened in late 2012 and early 2013, the country’s economy stalled.

Canada’s record on technical innovation, except in resource extraction, is notoriously poor. Capital and talent flow to the tar sands, while investments in manufacturing productivity and high technology elsewhere languish.

But more alarming is the way the tar sands industry is undermining Canadian democracy. By suggesting that anyone who questions the industry is unpatriotic, tar sands interest groups have made the industry the third rail of Canadian politics.

The current Conservative government holds a large majority of seats in Parliament but was elected in 2011 with only 40 percent of the vote, because three other parties split the center and left vote. The Conservative base is Alberta, the province from which Prime Minister Stephen Harper and many of his allies hail. As a result, Alberta has extraordinary clout in federal politics, and tar sands influence reaches deep into the federal cabinet.

Both the cabinet and the Conservative parliamentary caucus are heavily populated by politicians who deny mainstream climate science. The Conservatives have slashed financing for climate science, closed facilities that do research on climate change, told federal government climate scientists not to speak publicly about their work without approval and tried, unsuccessfully, to portray the tar sands industry as environmentally benign.

The federal minister of natural resources, Joe Oliver, has attacked “environmental and other radical groups” working to stop tar sands exports. He has focused particular ire on groups getting money from outside Canada, implying that they’re acting as a fifth column for left-wing foreign interests. At a time of widespread federal budget cuts, the Conservatives have given Canada’s tax agency extra resources to audit registered charities. It’s widely assumed that environmental groups opposing the tar sands are a main target.

This coercive climate prevents Canadians from having an open conversation about the tar sands. Instead, our nation behaves like a gambler deep in the hole, repeatedly doubling down on our commitment to the industry.

President Obama rejected the pipeline last year but now must decide whether to approve a new proposal from TransCanada, the pipeline company. Saying no won’t stop tar sands development by itself, because producers are busy looking for other export routes — west across the Rockies to the Pacific Coast, east to Quebec, or south by rail to the United States. Each alternative faces political, technical or economic challenges as opponents fight to make the industry unviable.

Mr. Obama must do what’s best for America. But stopping Keystone XL would be a major step toward stopping large-scale environmental destruction, the distortion of Canada’s economy and the erosion of its democracy.

Thomas Homer-Dixon, who teaches global governance at the Balsillie School of International Affairs, is the author of “The Upside of Down: Catastrophe, Creativity and the Renewal of Civilization.”

When Animals Learn to Control Robots, You Know We’re in Trouble (Wired)

BY WIRED SCIENCE

03.21.13 – 6:30 AM

Unless an asteroid or deadly pandemic wipes us out first, the force we are most afraid will rob us of our place as rulers of Earth is robots. The warnings range from sarcastic to nervous to dead serious, but they all describe the same scenario: Robots become sentient, join forces and turn on us en masse.

But with all the paranoia about machines, we’ve ignored another possibility: Animals learn to control robots and decide it’s their turn to rule the planet. This would be even more dangerous than dolphins evolving opposable thumbs. And the first signs of this coming threat are already starting to appear in laboratories around the world where robots are being driven by birds, trained by moths and controlled by the minds of monkeys.

Unearthed: The Fracking Facade (Top Documentary Films)

A video exposing a flawed claim often abused in the sales pitch for promoting shale gas development across the world:

“With a history of 60 years, after nearly a million wells drilled, there are no documented cases that hydraulic fracturing (fracking) has lead to the contamination of groundwater.”

Brought to you by the team behind the upcoming South African feature documentary, Unearthed, that is investigating natural gas development and the controversial method of extraction known as fracking from a global perspective. Should South Africa and other countries drill down?

Watch the full documentary now

 

 

The Mathematics of Averting the Next Big Network Failure (Wired)

BY NATALIE WOLCHOVER, SIMONS SCIENCE NEWS

03.19.13 – 9:30 AM

Data: Courtesy of Marc Imhoff of NASA GSFC and Christopher Elvidge of NOAA NGDC; Image: Craig Mayhew and Robert Simmon of NASA GSFC

Gene Stanley never walks down stairs without holding the handrail. For a fit 71-year-old, he is deathly afraid of breaking his hip. In the elderly, such breaks can trigger fatal complications, and Stanley, a professor of physics at Boston University, thinks he knows why.

“Everything depends on everything else,” he said.

Original story reprinted with permission from Simons Science News, an editorially independent division of SimonsFoundation.org whose mission is to enhance public understanding of science by covering research developments and trends in mathematics and the physical and life sciences.

Three years ago, Stanley and his colleagues discovered the mathematics behind what he calls “the extreme fragility of interdependency.” In a system of interconnected networks like the economy, city infrastructure or the human body, their model indicates that a small outage in one network can cascade through the entire system, touching off a sudden, catastrophic failure.

First reported in 2010 in the journal Nature, the finding spawned more than 200 related studies, including analyses of the nationwide blackout in Italy in 2003, the global food-price crisis of 2007 and 2008, and the “flash crash” of the United States stock market on May 6, 2010.

“In isolated networks, a little damage will only lead to a little more,” said Shlomo Havlin, a physicist at Bar-Ilan University in Israel who co-authored the 2010 paper. “Now we know that because of dependency between networks, you can have an abrupt collapse.”

While scientists remain cautious about using the results of simplified mathematical models to re-engineer real-world systems, some recommendations are beginning to emerge. Based on data-driven refinements, new models suggest interconnected networks should have backups, mechanisms for severing their connections in times of crisis, and stricter regulations to forestall widespread failure.

“There’s hopefully some sweet spot where you benefit from all the things that networks of networks bring you without being overwhelmed by risk,” said Raissa D’Souza, a complex systems theorist at the University of California, Davis.

Power, gas, water, telecommunications and transportation networks are often interlinked. When nodes in one network depend on nodes in another, node failures in any of the networks can trigger a system-wide collapse. (Illustration: Leonardo Dueñas-Osorio)

To understand the vulnerability in having nodes in one network depend on nodes in another, consider the “smart grid,” an infrastructure system in which power stations are controlled by a telecommunications network that in turn requires power from the network of stations. In isolation, removing a few nodes from either network would do little harm, because signals could route around the outage and reach most of the remaining nodes. But in coupled networks, downed nodes in one automatically knock out dependent nodes in the other, which knock out other dependent nodes in the first, and so on. Scientists model this cascading process by calculating the size of the largest cluster of connected nodes in each network, where the answer depends on the size of the largest cluster in the other network. With the clusters interrelated in this way, a decrease in the size of one of them sets off a back-and-forth cascade of shrinking clusters.

When damage to a system reaches a “critical point,” Stanley, Havlin and their colleagues find that the failure of one more node drops all the network clusters to zero, instantly killing connectivity throughout the system. This critical point will vary depending on a system’s architecture. In one of the team’s most realistic coupled-network models, an outage of just 8 percent of the nodes in one network — a plausible level of damage in many real systems — brings the system to its critical point. “The fragility that’s implied by this interdependency is very frightening,” Stanley said.

However, in another model recently studied by D’Souza and her colleagues, sparse links between separate networks actually help suppress large-scale cascades, demonstrating that network models are not one-size-fits-all. To assess the behavior of smart grids, financial markets, transportation systems and other real interdependent networks, “we have to start from the data-driven, engineered world and come up with the mathematical models that capture the real systems instead of using models because they are pretty and analytically tractable,” D’Souza said.

In a series of papers in the March issue of Nature Physics, economists and physicists used the science of interconnected networks to pinpoint risk within the financial system. In one study, an interdisciplinary group of researchers including the Nobel Prize-winning economist Joseph Stiglitz found inherent instabilities within the highly complex, multitrillion-dollar derivatives market and suggested regulations that could help stabilize it.

Irena Vodenska, a professor of finance at Boston University who collaborates with Stanley, custom-fit a coupled network model around data from the 2008 financial crisis. Her and her colleagues’ analysis, published in February in Scientific Reports, showed that modeling the financial system as a network of two networks — banks and bank assets, where each bank is linked to the assets it held in 2007 — correctly predicted which banks would fail 78 percent of the time.

“We consider this model as potentially useful for systemic risk stress testing for financial systems,” said Vodenska, whose research is financially supported by the European Union’s Forecasting Financial Crisis program. As globalization further entangles financial networks, she said, regulatory agencies must monitor “sources of contagion” — concentrations in certain assets, for example — before they can cause epidemics of failure. To identify these sources, “it’s imperative to think in the sense of networks of networks,” she said.

Leonardo Dueñas-Osorio, a civil engineer at Rice, visited a damaged high-voltage substation in Chile after a major earthquake in 2010 to gather information about the power grid’s response to the crisis. (Photo: Courtesy of Leonardo Dueñas-Osorio)

Scientists are applying similar thinking to infrastructure assessment. Leonardo Dueñas-Osorio, a civil engineer at Rice University, is analyzing how lifeline systems responded to recent natural disasters. When a magnitude 8.8 earthquake struck Chile in 2010, for example, most of the power grid was restored after just two days, aiding emergency workers. The swift recovery, Dueñas-Osorio’s researchsuggests, occurred because Chile’s power stations immediately decoupled from the centralized telecommunications system that usually controlled the flow of electricity through the grid, but which was down in some areas. Power stations were operated locally until the damage in other parts of the system subsided.

“After an abnormal event, the majority of the detrimental effects occur in the very first cycles of mutual interaction,” said Dueñas-Osorio, who is also studying New York City’s response to Hurricane Sandy last October. “So when something goes wrong, we need to have the ability to decouple networks to prevent the back-and-forth effects between them.”

D’Souza and Dueñas-Osorio are collaborating to build accurate models of infrastructure systems in Houston, Memphis and other American cities in order to identify system weaknesses. “Models are useful for helping us explore alternative configurations that could be more effective,” Dueñas-Osorio explained. And as interdependency between networks naturally increases in many places, “we can model that higher integration and see what happens.”

Scientists are also looking to their models for answers on how to fix systems when they fail. “We are in the process of studying what is the optimal way to recover a network,” Havlin said. “When networks fail, which node do you fix first?”

The hope is that networks of networks might be unexpectedly resilient for the same reason that they are vulnerable. As Dueñas-Osorio put it, “By making strategic improvements, can we have what amounts to positive cascades, where a small improvement propagates much larger benefits?”

These open questions have the attention of governments around the world. In the U.S., the Defense Threat Reduction Agency, an organization tasked with safeguarding national infrastructure against weapons of mass destruction, considers the study of interdependent networks its “top mission priority” in the category of basic research. Some defense applications have emerged already, such as a new design for electrical network systems at military bases. But much of the research aims at sorting through the mathematical subtleties of network interaction.

“We’re not yet at the ‘let’s engineer the internet differently’ level,” said Robin Burk, an information scientist and former DTRA program manager who led the agency’s focus on interdependent networks research. “A fair amount of it is still basic science — desperately needed science.”

Original story reprinted with permission from Simons Science News, an editorially independent division of SimonsFoundation.org whose mission is to enhance public understanding of science by covering research developments and trends in mathematics and the physical and life sciences.

Brain Scans Predict Which Criminals Are Most Likely to Reoffend (Wired)

BY GREG MILLER

03.26.13 – 3:40 PM

Photo: Erika Kyte/Getty Images

Brain scans of convicted felons can predict which ones are most likely to get arrested after they get out of prison, scientists have found in a study of 96 male offenders.

“It’s the first time brain scans have been used to predict recidivism,” said neuroscientist Kent Kiehl of the Mind Research Network in Albuquerque, New Mexico, who led the new study. Even so, Kiehl and others caution that the method is nowhere near ready to be used in real-life decisions about sentencing or parole.

Generally speaking, brain scans or other neuromarkers could be useful in the criminal justice system if the benefits in terms of better accuracy outweigh the likely higher costs of the technology compared to conventional pencil-and-paper risk assessments, says Stephen Morse, a legal scholar specializing in criminal law and neuroscience at the University of Pennsylvania. The key questions to ask, Morse says, are: “How much predictive accuracy does the marker add beyond usually less expensive behavioral measures? How subject is it to counter-measures if a subject wishes to ‘defeat’ a scan?”

Those are still open questions with regard to the new method, which Kiehl and colleagues, including postdoctoral fellow Eyal Aharoni, describe in a paper to be published this week in the Proceedings of the National Academy of Sciences.

The test targets impulsivity. In a mobile fMRI scanner the researchers trucked in to two state prisons, they scanned inmates’ brains as they did a simple impulse control task. Inmates were instructed to press a button as quickly as possible whenever they saw the letter X pop up on a screen inside the scanner, but not to press it if they saw the letter K. The task is rigged so that X pops up 84 percent of the time, which predisposes people to hit the button and makes it harder to suppress the impulse to press the button on the rare trials when a K pops up.

Based on previous studies, the researchers focused on the anterior cingulate cortex, one of several brain regions thought to be important for impulse control. Inmates with relatively low activity in the anterior cingulate made more errors on the task, suggesting a correlation with poor impulse control.

They were also more likely to get arrested after they were released. Inmates with relatively low anterior cingulate activity were roughly twice as likely as inmates with high anterior cingulate activity to be rearrested for a felony offense within 4 years of their release, even after controlling for other behavioral and psychological risk factors.

“This is an exciting new finding,” said Essi Viding, a professor of developmental psychopathology at University College London. “Interestingly this brain activity measure appears to be a more robust predictor, in particular of non-violent offending, than psychopathy or drug use scores, which we know to be associated with a risk of reoffending.” However, Viding notes that Kiehl’s team hasn’t yet tried to compare their fMRI test head to head against pencil-and-paper tests specifically designed to assess the risk of recidivism. ”It would be interesting to see how the anterior cingulate cortex activity measure compares against these measures,” she said.

“It’s a great study because it brings neuroimaging into the realm of prediction,” said clinical psychologistDustin Pardini of the University of Pittsburgh. The study’s design is an improvement over previous neuroimaging studies that compared groups of offenders with groups of non-offenders, he says. All the same, he’s skeptical that brain scans could be used to predict the behavior of a given individual. ”In general we’re horrible at predicting human behavior, and I don’t see this as being any different, at least not in the near future.”

Even if the findings hold up in a larger study, there would be limitations, Pardini adds. “In a practical sense, there are just too many ways an offender could get around having an accurate representation of his brain activity taken,” he said. For example, if an offender moves his head while inside the scanner, that would render the scan unreadable. Even more subtle strategies, such as thinking about something unrelated to the task, or making mistakes on purpose, could also thwart the test.

Kiehl isn’t convinced either that this type of fMRI test will ever prove useful for assessing the risk to society posed by individual criminals. But his group is collecting more data — lots more — as part of a much larger study in the New Mexico state prisons. “We’ve scanned 3,000 inmates,” he said. “This is just the first 100.”

Kiehl hopes this work will point to new strategies for reducing criminal behavior. If low activity in the anterior cingulate does in fact turn out to be a reliable predictor of recidivism, perhaps therapies that boost activity in this region would improve impulse control and prevent future crimes, Kiehl says. He admits it’s speculative, but his group is already thinking up experiments to test the idea. ”Cognitive exercises is where we’ll start,” he said. “But I wouldn’t rule out pharmaceuticals.”

Something Other Than Adaptation Could Be Driving Evolution (Wired)

BY BRANDON KEIM

03.28.13

A computational model of greenish warbler evolution (left) fits real-world patterns of the species (right). Color corresponds to degrees of genetic difference. Image: Martins et al./PNAS

What explains the incredible variety of life on Earth? It seems obvious. Evolution, of course! But perhaps not the evolution most people grew up with.

Some ecologists say the theory needs an update. They’ve proposed a new dynamic driving the emergence of new species, one that doesn’t involve adaptations or survival of the fittest.

Give evolution enough time and space, they say, and new species can just happen. Speciation might not only be an evolutionary consequence of fitness differences and natural selection, but a property intrinsic to evolution, just as all matter has gravity.

“Our work shows that evolution wants to be diverse,” said Yaneer Bar-Yam, president of the New England Complex Systems Institute. “It’s enough for organisms to be spread out in space and time.”

In a March 13 Proceedings of the National Academy of Sciences paper, Bar-Yam and his co-authors, Brazilian ecologists Ayana Martins at the University of Sao Paulo and Marcus Aguiar at the University of Campinas, modeled the evolution of greenish warblers living around the Tibetan plateau.

The warblers are what’s known as a ring species, a rare phenomenon that occurs when species inhabit a horseshoe-shaped range. Genes flow around the ring, passing between neighboring populations — yet at the ring’s tips, the animals no longer interbreed with one another.

By the usual standards, these end populations have become new species. According to the researchers’ model of the process, no special adaptations or differences in reproductive fitness are needed to explain — or at least to computationally replicate — the greenish warblers’ divergence.

‘An alternative hypothesis to adaptation and selection of new species.’

“This sounds kind of crazy, right? We normally think of species as being adapted for particular functions. They have their own role to play in a community. That’s the standard wisdom,” said theoretical ecologist James O’Dwyer of the Santa Fe Institute, who was not involved in the study.

Instead, over 2,000 modeled generations, a time frame that fits with the 10,000 years that greenish warblers have ringed the Tibetan plateau’s slopes since their exposure by retreating glaciers, random genetic mutations drifted through the birds’ populations, ultimately clustering in diversity patterns resembling what’s seen in reality.

Adaptation and natural selection certainly played a part in the warblers’ evolution, said Bar-Yam, but they weren’t necessarily the driving forces. And though geography is involved, it’s very different from the population-isolating physical separation created by mountain ranges or islands.

“The plateau plays an important role in the formation of the ring species, but it does not block gene flow,” said Aguiar. “No barriers and no specific selection processes are required.” Rather than adaptation, distance is the driver.

That notion falls under the umbrella of neutral biodiversity theory, a dry-sounding name for a dramatic challenge to the notion that adaptation is biological diversity’s wellspring. First articulated by University of California, Los Angeles ecologist Stephen Hubbell, who in 2001 published The Unified Neutral Theory of Biodiversity and Biogeography, it’s a challenge occasioned by the surprising difficulty of explaining biodiversity, or why life is arranged the way it is.

Neutral biodiversity doesn’t reject the usual evolutionary drivers of adaptation and geographic isolation, which are clearly at work in shaping species traits and generating diversity. But these drivers don’t seem to explain many big-picture patterns. It’s not just ring species that are perplexing. Tropical forests, which originally inspired Hubbell’s theory, seemingly have far more species than there are niches to adaptively inhabit. Common patterns of species distribution also occur in disparate places, such as rain forests and coral reefs. The usual evolutionary models didn’t fit these phenomena.

A greenish warbler in Taibai Shan, China. Image: Ron Knight/Flickr

Some under-appreciated forces seemed to be operating, which Hubbell identified as neutral genetic drift: the flow, at landscape-level scales, of random genetic variations that emerge in individuals and spread through populations, but are ‘neutral,’ having no biological function.

That most mutations are neutral isn’t a new idea. It was first proposed in the late 1960s by Japanese geneticist Mootoo Kimura, and is an established dynamic in population genetics. That it might actually drive diversity on its own, though, accounting for substantial differences between species, was new.

How exactly this might work and how important it could be has been hotly debated ever since, at least in ecological circles. Some ecologists reject the idea altogether. Other researchers, including Bar-Yam’s group, have built on Hubbell’s original ideas.

Their work “offers an alternative hypothesis to adaptation and selection of new species,” said O’Dwyer, but he warned that it’s hard to tell whether neutral processes really occur. Computational models of neutral biodiversity often seem to predict real-world patterns, as with the greenish warblers, but that doesn’t mean they’re right.

Datasets necessary to test neutral explanations need to span hundreds if not thousands of years, and should encompass not just a few species but entire ecosystems, said O’Dwyer. He thinks some combination of neutral and non-neutral processes likely shape biodiversity, and teasing their contributions apart will be difficult.

Ecologist Rampal Etienne of the University of Groningen, whose own research suggests that sexual reproduction makes evolution speed up, echoed O’Dwyer’s point. “The major question is what data will be able to distinguish neutral from non-neutral explanations,” said Etienne, who cautioned against jumping to conclusions with Bar-Yam’s model.

Like any model, it’s based on assumptions and only imperfectly imitates reality, he said. Its more fundamental value, as with other work on neutral biodiversity, is that it critically examines whether adaptation really explains the natural world’s richness.

In other words, the theory of evolution is still evolving.

Citation: “Evolution and stability of ring species.” By Ayana B. Martins, Marcus A. M. de Aguiar and Yaneer Bar-Yam. Proceedings of the National Academy of Sciences, March 11, 2013.

Update 3/28: Text modified to emphasize that neutral biodiversity theory does not exclude ‘traditional’ evolutionary mechanisms, but would be an addition to them.