NPR News And Stories From WUNC

Pioneering American conductor, National Medal of Arts winner and poet James DePreist died early this morning in Scottsdale, Ariz. He was 76 years old. His death, his manager told Deceptive Cadence, stemmed from complications following a heart attack he suffered nearly a year ago.

Mississippi Insurance Commissioner Mike Chaney, who has been the driving force behind the creation of a state-based exchange, got his answer from the feds: Sure can't.

The U.S. Department of Health and Human Services rejected the plan Thursday, making Mississippi the only state to have its exchange blueprint nixed by the federal government.

The unlikely tale of "Loki Boy" came to a quick, uneventful resolution on Thursday.

Without incident, Boca Raton Police have evicted Andre "Loki Boy" Barbosa from the $2.5 million mansion he had been squatting in citing Florida law.

Vine, Twitter's new microvideo-sharing app for the iPhone, this week added a 17+ rating, saying that the app "contains age-restricted material." The change came after some users uploaded pornographic clips onto the app, which features 6-second (or

This interview was originally broadcast on Oct. 15, 2012.

Whenever Tyler Perry is in front of the camera, he's usually behind it as well. A screenwriter, director, producer and star, Perry grew up poor in New Orleans, but he has become a movie phenomenon — he was described in the New Yorker as the most financially successful black man the American film industry has ever known.

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JOE PALCA, HOST:

This is SCIENCE FRIDAY; I'm Joe Palca. Do you ever get the feeling you're being watched? These days if you're not careful, your phone knows where you are, and there's a good chance somebody else does, too. Or you've noticed that the ads on sites you visit are starting to look a little too personalized, like how did they know I was planning a vacation to New Orleans.

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JOE PALCA, HOST:

This is SCIENCE FRIDAY. I'm Joe Palca.

You know the theory that a big collision, a comet or an asteroid, something like that, helped kill off the dinosaurs? The idea has been around for a while. But this week, new research published in journal Science provides more accurate dates for the giant impact and the dino demise.

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JOE PALCA, HOST:

This is SCIENCE FRIDAY. I'm Joe Palca, sitting in for Ira Flatow. If you add it up, we spend a lot of time sleeping, about a third of our lives, actually, and it turns out our bodies don't just power down as we slumber. Research is showing that sleep plays an important role in how our brains process and store the information that we learn throughout the day.