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Three separate teams of scientists have shown that so-called cancer stem cells can be found in brain tumors and early forms of skin and colon cancer. Evidence has been mounting in recent years for the existence of these cells, which are believed to resist standard chemotherapy and fuel the growth of tumors and relapses.

Unemployment falls a little, then it stalls. It goes down a little more, then it stalls again. The Fed could announce new measures to bring down unemployment as soon as today.

There was heavy volume as stocks began trading. It's thought that computer glitches may have been responsible.

The payment is to prefund retiree benefits, so it won't have any effect on operations in the short run.

The Homeless Children's Playtime Project lets children ages 1 to 11 from the nearby D.C. General homeless shelter just be kids for a little while.

Four teams were ejected from Olympic badminton competition after allegedly throwing games in an effort to engineer easier paths to the medal stand. NPR's Howard Berkes and Tom Goldman discuss how it has thrown the tournament into chaos, and raised questions about sportsmanship and strategy.

New Yorker writer Ryan Lizza profiles Rep. Paul Ryan from Wisconsin, whose radical alternatives to President Obama's economic policies have helped shape the GOP as it enters the final stage of the 2012 presidential campaign.

Novelist Maggie Shipstead never ate lobsters until she was in her 20s. And though there have been a few, she remembers each one fondly.

Thousand turn-out in Tulsa for Chick-Fil-A Appreciation Day. Lines were long outside of restaurants at Tulsa Hills Shopping Center and near 71st and…

It's always been a challenge to make eastern music using western composition software. Until now. The musician Jace Clayton has invented a program called Sufi Plug Ins to adapt commonly-used software for international users.