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Did the Phoenix lander spot liquid water on Mars?

A team of researchers analyzing images and data gathered by the now-defunct Phoenix spacecraft believes that the lander spotted liquid water on Mars—and that such liquid may be common on the Red Planet...

March 17, 2009 — John Matson

Facebook app promises "greener" PCs

Peruse Facebook and you'll find dozens of applications to add to your profile that encourage environmental and energy conservation. Many offer obvious advice ("use LED bulbs"), but a new app offers to green up the PCs Facebook members rely on to access the social networking site...

March 17, 2009 — Larry Greenemeier

Qatar to get cord-blood bank, thanks to Virgin's Branson

DOHA, QATAR—Futuristic health technologies often first benefit patients in the U.S. and Europe. Now an ambitious plan backed by high-flying entrepreneur Richard Branson to start a national public-private cord blood bank in the Arab emirate of Qatar might help to ensure that the evolving science of regenerative medicine will also be able to find applications quickly within the Middle East...

March 17, 2009 — John Rennie

McCain in Twitter interview today

Former presidential candidate John McCain took some heat on the presidential campaign trail after admitting he was still “learning how to get online,” and was then lampooned after an aide claimed the BlackBerry is “the miracle John McCain helped create." But the Arizona senator, 72, is one of the Tweeple...

March 17, 2009 — Jordan Lite

Make your pedometer work for your heart

If you're trying to get or stay in shape, you've probably heard that walking 10,000 steps a day can do the trick. But maybe you've found that the recommendation, which the American College of Sports Medicine promoted in the 1990s and has since been widely adopted by exercise-promotion campaigns, isn't doable in your busy life — or that it doesn’t raise your heart rate enough to reduce your risk of cardiovascular disease...

March 17, 2009 — Jordan Lite

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