Alert over Web sites touting stem cell therapies
Consumers should be wary of Web sites from clinics that offer stem cell treatments, says a study that found a lack of firm medical evidence to back up their claims.

Experts offer ideas to fix Detroit
Auto industry experts have a wide range of ideas on how to fix the problems facing the Big Three, ranging from higher gas taxes to bankruptcy. Here is a sampling of their views.

Jeb Bush eyes run for U.S. Senate

Still popular in Florida, former Gov. Jeb Bush said Wednesday that he's interested in the seat Sen. Mel Martinez is giving up, and the field of possible candidates could quickly narrow to make way for the president's younger brother.

Attacks in Iraq at lowest since '03

Attacks fell in November to their lowest monthly level since the Iraq war began in 2003, despite recent high-profile bombings aimed at shaking public confidence, a U.S. commander said Wednesday.

Expert: Tebow has earned a second Heisman

Expert: Two months ago, I didn't think it was possible. And now? It might be inevitable. Somewhere, Archie Griffin is hearing footsteps. Yes, Florida quarterback Tim Tebow deserves to win another Heisman Trophy.

The phone that feels the flu before you do

Did your parents tell you to remember your scarf when you went out, so you wouldn't catch a cold? Today, the advice might be: Remember your cell phone.

World's oldest pot stash totally busted

Nearly two pounds of still-green plant material found in a 2,700-year-old grave in the Gobi Desert has just been identified as the world's oldest marijuana stash, according to a paper in the latest issue of the Journal of Experimental Botany.

NFL to broadcast first game in 3-D on Thursday
In broadcasting the world's first live 3-D football game to theaters in Los Angeles, New York and Boston on Thursday evening, the NFL promises an "up close, personal, visceral" experience that could open a new revenue stream for the league.

MySpace delivers video to mobiles
MySpace users with mobile phones are about to find out if they can walk and watch TV at the same time.

10 wonders in a winter wonderland

Is it really true that no two snowflakes are alike? Get the cold, hard facts on that question and nine other scientific puzzlers posed by the winter season.