Health & Science

Elite runners know the drill. When you run a marathon, you've got to consume extra amounts of carbohydrate — either from food or energy gels or energy drinks — in order to go the distance.

And if you don't fuel up enough? You may hit the wall during the big event, which, believe me, is pretty miserable.

The wall comes on abruptly. Suddenly your legs feel like lead. And then you're woozy.

Saturday is Record Store Day, when independent music retailers around the country host parking-lot concerts and sell limited-edition pressings of vinyl records, which have made a small but forceful comeback in an age dominated by digital listening habits. But if there's one problem with the vinyl resurgence, it might be this: The machines that press vinyl records are decades old, and no one's building new ones, so keeping up with increased demand is hard.

NPR's Robert Siegel speaks with Michael Specter, staff writer at The New Yorker about some physicians' calls for Columbia University to sever ties with TV's Dr. Oz over what they call his "disdain for science" and promotion of questionable treatments.

Copyright 2015 NPR. To see more, visit http://www.npr.org/.

Call it Darwinian evolution in action: A troop of wild chimpanzees in Uganda has learned a valuable survival skill — to look before crossing.

What do you call someone who runs a successful business that aims to make the world a better place? A CEO with a conscience? A do-good bottom-liner?

At the Skoll World Forum this week in Oxford, England, the preferred term is social entrepreneur. In fact, the conference is completely devoted to the idea — and promoting its rising stars.

Young entrepreneurs are invited to join veterans for workshops, talks and confabs. Awards are given for "social entrepreneurship."

The State Of The Cancer Nation

Apr 17, 2015

While a cure for cancer remains elusive, we already know how to keep many cases of the disease from developing in the first place.

People can reduce cancer risks by keeping a healthful weight and avoiding cigarettes.

But smoking, obesity and other major cancer risk factors remain common, and they still vary widely across the country.

Vacuum cleaners get them. Movies get them. Now hospitals are being given star ratings to help patients decide which ones to use.

On Thursday the federal government awarded its first star ratings to hospitals based on the opinions of patients. Some of the nation's most lofty hospitals—the ones featured in best hospital lists—received mediocre ratings, while the maximum number of stars often went to small, regional hospitals and others that specialize in lucrative surgeries.

What Makes A Life Worth Living?

Apr 17, 2015

Part 6 of the TED Radio Hour episode Maslow's Human Needs

About Mihaly Csikszentmihalyi's TED Talk

Psychologist Mihaly Csikszentmihalyi says we can achieve one of the most elusive needs — self-actualization — by finding a state of "flow" in our work or our hobbies.

About Mihaly Csikszentmihalyi

What Defines A Person's Sense Of Self?

Apr 17, 2015

Part 5 of the TED Radio Hour episode Maslow's Human Needs

About Caroline Casey's TED Talk

Caroline Casey was 17 years old when she first learned she was visually impaired. Embracing her disability helped nourish her need for self-esteem.

About Caroline Casey

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