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“Extreme Sports”

Aug 27, 2014 09:41 AM ET
With no muscles in our fingers or toes, how come humans are able to climb every mountain? Or, climb some of them anyway!
Aug 26, 2014 12:15 PM ET // Discovery News
Against a beautiful French Polynesian backdrop, the world's top surfers took to the water in search of waves that could make them champions.
Jun 6, 2014 06:00 AM ET // Sheila M. Eldred
The sixth year of the Red Bull Cliff Diving World Series stops in the U.S. this weekend at a new site: Divers will launch from a platform on the precipice of Hell's Gate in Possum Kingdom Lake, Texas. See photos from previous competitions.
May 27, 2014 09:05 AM ET // AFP
Poor Indian schoolgirl tackles Tibetan side of the world's most famous mountain.
May 8, 2014 06:00 AM ET // Emily Sohn
Mt. Everest is a natural laboratory that continues to teach scientists lessons about how the body works and why lack of oxygen causes so many problems for climbers and heart failure patients.
Apr 28, 2014 11:30 AM ET // Sheila M. Eldred
ER staff who treated participants after a Tough Mudder event in Pennsylvania said that it's unlikely that participants comprehend the actual risks.
Apr 22, 2014 02:31 PM ET // Emily Sohn
Despite tales of overcrowding, fighting and tragedy, hundreds of people continue to try to summit Everest every year. What's the appeal?
Mar 13, 2014 03:00 PM ET // Robert T. Gonzalz, i09
Competitive breath-hold divers can squeeze ten, fifteen, even twenty minutes out of a single lungful of air. How do these divers do it and how can you train to hold your breath for longer?
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