NPR News

Scientists have digitized and analyzed imagery taken by one of the first U.S. weather satellites to create a montage showing the extent of polar sea ice in 1964 so they can compare it to more recent satellite photos.

Black and Latino homebuyers pay more for housing than whites and Asians, according to a study released this week by Duke University. The price difference is about 3.5 percent.

That may not sound like a lot. But Patrick Bayer, a Duke economics professor who led the study, says when you do the math, that percentage can translate to about $5,000 or $10,000 per housing sale.

(Andy Carvin, NPR's senior strategist for social media, sends us this dispatch about a Twitter account that may hold clues in understanding the surviving Boston bombing suspect.)

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NEAL CONAN, HOST:

Transcript

NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan, in Washington. While funerals and memorial services continue for those killed by bombers in Boston and a fertilizer plant explosion in West, Texas, we want to talk today with survivors of traumatic events like those, from car accidents to hurricanes, and ask how you deal with the range of emotions and the range of questions - maybe newfound appreciation for life or survivor's guilt, maybe even blame.

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington. Sanford trails in South Carolina, the Democrats get it on in Massachusetts, and the lady from Maine scoffs at sequestration. It's Wednesday and time for a...

SEN. SUSAN COLLINS: Manufactured crisis...

CONAN: Edition of the political junkie.

(SOUNDBITE OF ARCHIVED RECORDINGS)

PRESIDENT RONALD REAGAN: There you go again.

VICE PRESIDENT WALTER MONDALE: When I hear your new ideas, I'm reminded of that ad: Where's the beef?

Now that it's spring, maybe you've decided it's time to clean out the medicine cabinet. Maybe you'd rather your teenagers not be tempted by those dusty bottles of Vicodin or other forgotten prescription drugs.

But we're told not to flush medications down the toilet because the drugs can taint rivers and lakes. Traces can also get into drinking water.

You think you're so smart. You think it's easy being the president of the United States. OK, pal — here's your chance.

One of the attractions of the new George W. Bush Presidential Library and Museum in Dallas — scheduled to be dedicated on Thursday — is Decision Points Theater, an interactive experience. The venue allows visitors to participate in a simplified simulation of the presidential decision-making process.