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Chili Say What? Linguistics Help Pinpoint Pepper's Origins

It turns out the first chili peppers were grown by humans in eastern Mexico. And it's not the same region where beans and corn were first grown, according to new ways of evaluating evidence.
NPR

First Embryonic Stem Cells Cloned From A Man's Skin

Scientists based their technique on the one used to create the sheep Dolly years ago. These cells might one day be useful in treating all sorts of diseases.
NPR

'Why Am I Dead?' He Never Asked. Here's The Answer He Never Heard

Man goes in for a routine hip operation. In the corner of the operating room, there's a young med student watching. When things go wrong, she tries to make sense of what she sees.
NPR

Plant Breeders Release First 'Open Source Seeds'

Scientists and food activists are launching a campaign to promote seeds that can be freely shared, rather than protected through patents and licenses. They call it the Open Source Seed Initiative.
NPR

Sichuan Pepper's Buzz May Reveal Secrets Of The Nervous System

The Sichuan peppercorn that makes our mouths tingle activates the same neurons as when our foot falls asleep. Scientists are hoping the connection unlocks clues for how to turn those neurons off.
NPR

On Your Mark, Get Set, Grow: A Guide To Speedy Vegetables

Impatient gardeners don't have to wait for summer to harvest salad fixings. A surprising variety of crops will bring homegrown produce to your table in as little as three weeks.
NPR

New Fossil Takes A Bite Out Of Theory That Sharks Barely Evolved

A 325 million-year-old fossil find shows that the gill structures of modern sharks are actually quite different from their ancient ancestors.
NPR

The Ultimate Animal Experience? Losing A Memory Quiz To A Chimp

You've swum with dolphins, ridden camels, stalked tigers. Now, try taking a memory test with a chimp — and losing. It's fun, humbling and mind-boggling.
NPR

A T. Rex Treks To Washington For A Shot At Fame

The Smithsonian is set to unpack something it's never had before: a rare, nearly complete Tyrannosaurus rex skeleton. It's a gift from a Montana museum that says this T. rex deserves to be famous.
NPR

Risks Of Popular Anxiety Drugs Often Overshadowed

Benzodiazepines like Xanax and Valium are among the most widely prescribed drugs in the U.S. Patients and addicts often mix them with prescription painkillers — sometimes to deadly effect.

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