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Updated: 45 min 43 sec ago

Keep Or Kill Last Lab Stocks Of Smallpox? Time To Decide, Says WHO

Fri, 05/09/2014 - 3:51pm

"If smallpox is outlawed, only outlaws will have smallpox," says one NIH virologist. Others say keeping vials of deadly virus just invites a horrific accident or theft. WHO is about to vote — again.

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Ahead Of Wildfire Season, Scientists Study What Fuels Fires

Fri, 05/09/2014 - 3:11pm

The federal fire scientists hope to hand off their findings to fire managers, who have to make the quick decisions on where to deploy resources that could protect lives and property.

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Former Commando Turns Conservationist To Save Elephants Of Dzanga Bai

Fri, 05/09/2014 - 2:34am

Nir Kalron was once an Israeli commando, then private security consultant to African leaders, and a dealer of legal arms. Today he's working with African locals to hunt ivory poachers via satellite.

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How To Tell When A Laugh Is Real: The Answer Is In A Breath

Thu, 05/08/2014 - 3:03pm

Greg Bryant, a professor at UCLA, explains his studies on laughter. Using acoustic analysis, he found that real laughter was more emotional, closer to animals, and fake laughter was closer to speech.

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Anti-Aging Hormone Could Make You Smarter

Thu, 05/08/2014 - 2:37pm

Scientists have found that a hormone associated with long life also seems to make people smarter. The gene strengthens the connections between brain cells, a process that's essential for learning.

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Rice Theory: Why Eastern Cultures Are More Cooperative

Thu, 05/08/2014 - 2:22pm

Westerners tend to be more individualistic than Easterners. Did our ancestors plant these cultural differences hundreds of years when they chose which grains to grow?

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A Question Of Biggitude: What's The Largest Creature On Earth?

Thu, 05/08/2014 - 1:17pm

Is the largest creature on Earth a tree or a tree strangler? Both are candidates. Both are plausible. Neither is a blue whale.

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If Polar Bears Can Eat A Ton Of Fat And Be Healthy, Why Can't We?

Thu, 05/08/2014 - 11:36am

Baby polar bears slurp milk that's 27 percent fat, and adults dine on seal blubber. Scientists think bears' adaptation to a high-fat diet might lead to better ways to treat human obesity.

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Study: Time Away Can Hurt Surgeons' Job Performance

Thu, 05/08/2014 - 4:15am

Surgeons need rest days, weekends and vacations. But when they come back to work after a break, do they come back refreshed — or rusty?

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The Executioner's Lament

Thu, 05/08/2014 - 2:22am

Executions are carried out by people. When things go wrong, those involved experience stressful, chaotic scenes. And even when they go right, it can take a lasting toll.

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Less Nutritious Grains May Be In Our Future

Thu, 05/08/2014 - 2:04am

When crops are surrounded by high levels of carbon dioxide, they produce more. But those crops have lower concentrations of some crucial nutrients, which could increase malnutrition in the future.

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Civil War Invades An Elephant Sanctuary: One Researcher's Escape

Thu, 05/08/2014 - 2:02am

Andrea Turkalo spent 22 years in central Africa, studying rare forest elephants. Then civil war forced her to flee — and poachers killed many of the elephants she'd shared a life with.

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Stanford Dumps Its Holdings In Coal, With Climate In Mind

Wed, 05/07/2014 - 4:08pm

Stanford says it will its divest holdings in coal companies over climate change concerns. It's the most prominent of the roughly one dozen colleges that have decided to sell off fossil fuel holdings.

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Chemists Expand Nature's Genetic Alphabet

Wed, 05/07/2014 - 1:07pm

DNA's instructions are written in a code of four molecular "letters," labeled A, C, T and G. For the first time, researchers have created and inserted two brand-new letters into a living cell.

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Draw My Left! No, No, My Other Left! A Hidden Bias In Art History Revealed

Wed, 05/07/2014 - 6:03am

Why is it that in thousands of portraits done all over the world, artists emphasize the left side of the subject's face? There's a bias here, and it's hiding in our brains.

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Faith Drives A Father To Create A Test For Childhood Cancer

Wed, 05/07/2014 - 2:33am

Noah Shaw was diagnosed with a potentially fatal cancer when he was just 4 months old. That didn't shake his father's faith in God. But it did drive him to try to invent an early cancer test.

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White House Report Says Climate Change Is Here And Now

Tue, 05/06/2014 - 4:24pm

A new U.S. government report tells an unambiguous story: The planet is warming, climate change is driven primarily by people and it's already affecting Americans, through more frequent or intense heat waves, downpours and, in some regions, floods or droughts.

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Report: Climate Change Creates Public Health Costs

Tue, 05/06/2014 - 4:24pm

One chapter of the White House's new climate report focuses on the serious impact climate change has on human health — everything from heat-related illnesses to increased allergies and asthma due to changes in growing seasons and air quality. Melissa Block speaks with Brian Stone, director of the Urban Climate Lab at Georgia Institute of Technology, about the public health effects of climate change.

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Despite Warnings On Warming, Public Response Remains Lukewarm

Tue, 05/06/2014 - 4:24pm

The National Climate Assessment report indicates that the increasingly erratic weather resulting from global warming has already lead to more flooding, wildfires and drought across the U.S. The report is rich in data about the cause and effects of climate change, just as past reports have been. So why has the public and political response to these dire warnings been so half-hearted? Robert Siegel talks to Bill McKibben, author of Oil and Home: The Education of an Unlikely Activist, about it.

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Scientists Help Galapagos Finches Get Rid Of A Nasty Nest Pest

Tue, 05/06/2014 - 2:33pm

Cotton balls laced with insecticide just might be the answer to a parasitic fly that has been killing off young finches in the Ecuadorian islands since 1997.

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