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Four Europeans selected for epic Mars isolation study

A future manned trip to Mars would subject astronauts to any number of unpredictable hazards—an unprecedentedly complex launch and journey, bombardment by cosmic radiation, and, if sci-fi movies are to be believed, harassment from potentially unfriendly locals...

December 11, 2008 — John Matson

Steven Chu, Nobel Prize-winning physicist, to be energy chief

President-elect Barack Obama is set to tap a Nobel Prize-winning physicist, Steven Chu, as energy secretary, according to published reports.

Chu, 60, is director of the Lawrence Berkeley National Laboratory and a proponent of solar energy, biofuels and curbs on Earth-warming emissions – three features central to Obama's alt-energy and environmental platforms during the campaign...

December 11, 2008 — Jordan Lite

No nukes: World leaders call for end to all nuclear weapons

'Tis the season to get rid of nukes? In an effort to achieve world peace and lessen the growing threat of nuclear power, a nascent group including the likes of former President Jimmy Carter, former Soviet leader Mikhail Gorbachev, Bishop Desmond Tutu and Arab League Secretary General Amr Moussa this week launched a campaign calling for the elimination of nuclear weapons...

December 10, 2008 — Jordan Lite

Diabetes Rx ups bone fracture risk

A new study indicates that drugs called thiazolidinediones used to control blood sugar in patients with type 2 diabetes may do more harm than good. Scientists report in the Canadian Medical Association Journal (CMAJ) that women who take the meds have reduced spine and hip bone density and have double the risk of fracturing bones if they're on the pills for more than a year...

December 10, 2008 — Coco Ballantyne

Death on Mount Everest: The perils of the descent

As difficult as it is to scale Mount Everest, coming back down from the world’s tallest peak is far more deadly, a new study shows.

Some 192 of the 212 deaths on the Himalayan mountain that occurred between 1921 and 2006 were above base camp, according to research in this week’s online edition of the British Medical Journal ...

December 10, 2008 — Jordan Lite

The biggest loser: Buying weight loss

Seems money trumps health when it comes to losing weight. A new study published in the Journal of the American Medical Association today found that people were more likely to stick to weight-loss programs if they were offered cash incentives...

December 10, 2008 — Coco Ballantyne

At last, people moving!

Editor's note: Marine geophysicist Robin Bell is leading an expedition to Antarctica to explore a mysterious mountain range beneath the ice sheet. Following is the tenth of her updates on the effort as part of 's in-depth report on the "Future of the Poles." McMURDO STATION, ANTARCTICA-- Just 24 hours ago, all the teams were pinned down on Antarctic coasts by weather, equipment and bureaucracy...

December 10, 2008 — Robin Bell

The computer mouse at 40: Remembering history in the making

Forty years ago, Douglas Engelbart gave a 90-minute presentation on a "computer-based, interactive, multiconsole display system" under development at Stanford Research Institute (SRI), according to an official announcement of the event...

December 10, 2008 — Larry Greenemeier

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