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How Obesity Spreads In Social Networks

The people we associate with can have a powerful effect on our behavior --for better or for worse. This holds true for human health and body mass, too. The heavier our close friends and family, the heavier we are likely to be

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Obama Forms Panel to Improve Fracking Safety

WASHINGTON (Reuters) - After a series of high-profile natural gas drilling spills, the Energy Department named a panel to recommend ways to improve the safety of hydraulic fracturing, or fracking, a technique that has expanded the country's potential to extract the fuel.

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Political Doubt Hinders Carbon Sequestration Projects

By Jeff Tollefson of Nature magazine Given the current political climate, it did not come as much of a surprise when the chief executive of one of the largest utility companies in the United States addressed the tenth annual Conference on Carbon Capture and Sequestration (CCS) in Pittsburgh, Pennsylvania, this week with a talk questioning the viability of carbon-storage ventures in the next few years. Michael Morris, chief executive of American Electric Power (AEP), headquartered in Columbus, Ohio, said that the energy industry needs a signal from politicians in Washington DC.

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Supermarkets Try to Clean Up Another Spill: Greenhouse Gases

On top of the usual "spills in aisle five," grocery stores have another mess they're hoping to clean up: greenhouse gas leaks. U.S. EPA announced yesterday that its partnership to cut greenhouse gas emissions from grocery stores has reached 50 states.

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Trust Me, I’m a Scientist

A friend of mine has long held that a vaccination his son received as an infant triggered his child’s autism. He clings to this belief despite a string of scientific studies that show no link between autism and vaccines. When the original paper on such a link was recently discredited as a fraud, my friend’s reaction was that it will now be more difficult to persuade people of the dangers of vaccination.

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Upstream Battle: What Is Killing Off the Fraser River’s Sockeye Salmon? [Slide Show]

Gridlocked bridges over the Fraser River are just a part of life for commuting Vancouverites. But the industrialized motif of North America's longest dam-free river belies a rare natural treasure: a sockeye salmon run with a historical average of eight million fish worth over $1 billion.

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Wolves Lose Out to Politics, Removed from Endangered Species List

In an abbreviated, terse press conference on Wednesday, Secretary of the Interior Ken Salazar announced that the U.S. Fish and Wildlife Service (FWS) will propose removing gray wolves ( Canis lupus ) from the endangered species list in the northern Rockies and the western Great Lakes. [More]

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