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Part 1 of the TED Radio Hour episode Wired For Altruism.

About Abigail Marsh's TED Talk

When Abigail Marsh was 19, a complete stranger risked his life to save her from a car accident. Today, she studies what motivates us to help others — and why some of us are "extraordinary" altruists.

About Abigail Marsh

A man sobbed in a New York emergency room. His elderly wife, who suffered from advanced dementia, had just had a breathing tube stuck down her throat. He knew she never would have wanted that. Now he had to decide whether to reverse the life-sustaining treatment that medics had begun.

Most anyone who has encountered a flamingo has probably been impressed by its signature ability to balance on a single long, spindly leg for remarkably long periods of time.

But actually, scientists have now shown that what appears to be a feat requires almost no muscle activity from the bird.

May 25 is Red Nose Day in the United States.

And millions of people are probably going, "huh, what?"

NASA's Juno spacecraft has spotted giant cyclones swirling at Jupiter's north and south poles.

That's just one of the unexpected and puzzling findings being reported by the Juno science team.

Many Adults Don't Think Exposure To Vaping Is Bad For Kids

May 25, 2017

Despite the toxic ingredients commonly found in e-cigarettes and other vaping products, many adults don't think secondhand e-cigarette aerosol poses a risk to children, according to a report published Thursday by the Centers for Disease Control and Prevention.

About one-third of adults surveyed didn't know if secondhand aerosol caused harm to children, and 40 percent of the adults said this kind of exposure caused "little" or "some" harm to children.

Health care groups that represent doctors and patients are warning members of Congress that the House Republicans' plan to overhaul the Affordable Care Act would hurt people who need insurance most.

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Copyright 2017 NPR. To see more, visit http://www.npr.org/.

There's a rich body of evidence that links chocolate to heart health.

Now comes a new study that finds people who consume small amounts of chocolate each week have a lower risk of developing atrial fibrillation, a heart condition characterized by a rapid or irregular heartbeat.

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