Cooling a person's hands while exercising can make for a better workout, especially for people who hate to exercise because it makes them all hot and sweaty.

This might help the many, many people who have a hard time keeping up with exercise because it's just plain uncomfortable.

Researchers tested the idea with obese women in their 30s and 40s who worked out on a treadmill. The women whose palms were cooled with a device that circulated ice water were able to exercise longer than the women whose palms were exposed to room temperature water.

There's a new record in the Iditarod: A 25 year old has become the youngest musher to win the approximately thousand-mile trans-Alaskan sled dog race.

Dallas Seavey slid into Nome, Alaska, at 7:29 p.m. yesterday with nine dogs, finishing the race in nine days, four hours, 29 minutes and 26 seconds.

"We went into this race with a dog team that I knew had the ability to win the Iditarod," Seavey said in a post-race press conference in Nome. "We spent most of the race building a monster – a dog team that couldn't be stopped."

Rick Santorum won the Alabama and Mississippi primaries last night, despite being outspent by GOP front-runner Mitt Romney. Santorum's wins raise questions about the candidates' ability to connect with the party's base. Host Michel Martin speaks with Mississippi Public Broadcasting's Jeffrey Hess and John Archibald of The Birmingham News.

For this year's South By South West conference, some of Austin's homeless were equipped with mobile Wi-Fi devices and t-shirts inviting attendees to use these hotspots to get online. Reactions have ranged from support, to disbelief, to outrage. Host Michel Martin discusses the ethical implications with a technology reporter and an ethicist.

As many as a quarter of U.S. students report being a victim of bullying. This Sunday, the Cartoon Network will air Speak Up, a new documentary that shares the stories of victims. Host Michel Martin speaks with bullying expert Duane Thomas and Aaron Cheese, a student featured in the film.

Egypt's Cleopatra was called "Serpent of the Nile," and England's Mary Tudor, was called "Bloody Mary." But were these names fair? That's the question editor Shirin Yim Bridges raises in the tween book series, The Thinking Girl's Treasury of Dastardly Dames. She speaks with host Michel Martin as part of Tell Me More's biography series.

I am dating myself here, but do you remember the 1983 film Trading Places? Where the comedians Dan Akroyd and Eddie Murphy played an investment broker and a street hustler, respectively, whose places in life were switched by the owners of Akroyd's fictional firm?

Greg Smith is a fairly ordinary name — but it's now one that's all the talk of Wall Street after he quit his position at Goldman Sachs today in one of the most amazingly public ways:

With an essay in The New York Times that accuses Goldman Sachs of having a money-is-everything culture that is "toxic and destructive."

A year into the Syrian uprising, with the world community reluctant to intervene, one international group has taken a direct and risky role in Syria — even taking part in the high-profile rescue of Western journalists from the besieged city of Homs.

Avaaz, a global online pressure group based in New York, has given crucial support to the uprising and the Syrian activist networks that aim to topple the regime of President Bashar Assad.

When it comes to reality TV — and competitive cooking shows in particular — there are many reliable ways to create drama: menacing judges, preternaturally ticking clocks, the threat of elimination, and, of course, clever editing.