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The bdelloid rotifer, a tiny invertebrate, hasn't had sex for 30 million years — and you thought you had a long dry spell. But species that reproduce asexually don't usually last very long, so the big question is how the rotifer has gone without it for millennia. Scientists at the University of Iowa think they have an answer.

A moment of truth for injured American skier Lindsey Vonn will come Thursday. The Alpine sensation will test her hurt shin on the slopes to determine whether she'll be able to race in the upcoming Winter Olympics in Vancouver, British Columbia. Meanwhile, men's ski team star Bode Miller says he's ready for his medal run.

The new releases Shutter Islandand The Ghost Writer both take places on islands off the coast of the Eastern seaboard. Critic David Edelstein explains how the two movies, made by Martin Scorsese and Roman Polanski respectively, are a study in contrasts — in directors, plot, and mood.

Sales at That's My Room in Salt Lake City have slowed to less than $5,000 a month. Despite making cutbacks, the owners say, they haven't taken a paycheck since the store opened a year and a half ago — right when the recession hit.

When Cash was 18, her father (you know him as Johnny) gave her a list of 100 essential country songs to help the budding singer-songwriter understand the music that came before her. After holding on to it for decades, Rosanne Cash has turned that gift into an album. This interview first aired on Oct. 5, 2009.

The U.S. is sending thousands of additional troops — and other resources — to Afghanistan in a bid to wipe out al-Qaida. But the attempted Christmas Day bombing was planned in Yemen and allegedly carried out by a Nigerian. Should the U.S. be focusing so much of its efforts in Afghanistan?

Intelligence officials say that while they failed to catch a suspected terrorist before he boarded Northwest Flight 253 on Christmas Day, they did try to foil the attack. They intercepted communications among al-Qaida operatives and launched a series of raids against training camps in Yemen.

From American Idol to the Super Bowl, he's everywhere. And though it may be tempting to dismiss Ryan Seacrest as a kind of pop culture Ken doll, you might not want to. He has more Hollywood clout than you might think.

Conservatives in Florida's Republican Party forced out the party's chairman and are now pledging to block his successor, hand-picked by party leaders. It all spells trouble for Florida's moderate Republican governor and U.S. Senate candidate, Charlie Crist.

As China and the United States promise emissions cuts, coal consumption takes center stage. By Monday, as many as two dozen countries will have listed their emissions targets. Experts say countries need to weigh the costs and benefits of continuing to use a technology that produces the largest amount of greenhouse gases.