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

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.
NPR

Study: Time Away Can Hurt Surgeons' Job Performance

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

The Executioner's Lament

When things go wrong during an execution, the people responsible for carrying it out experience stressful, chaotic scenes. But even when the process goes right, it can take a lasting toll.
NPR

Less Nutritious Grains May Be In Our Future

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

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

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.
NPR

Stanford Dumps Its Holdings In Coal, With Climate In Mind

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.
NPR

Chemists Expand Nature's Genetic Alphabet

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.
NPR

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

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.
NPR

Faith Drives A Father To Create A Test For Childhood Cancer

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.
NPR

Despite Warnings On Warming, Public Response Remains Lukewarm

The National Climate Assessment was released today. NPR's Robert Siegel talks to Bill McKibben, author of Oil and Honey: The Education of an Unlikely Activist, about the report.

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