Archive: 07/20/2011

NASA officials remember Mars rover Spirit

Scientists and engineers gathered Tuesday at NASA's Jet Propulsion Laboratory to remember the legacy of the hard-luck rover Spirit that came through in the end with geologic evidence that Mars was once a warm ...

Jul 20, 2011
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Long-distance swims may cause polar bear problems

Polar bears forced to swim longer distances because of diminished sea ice off Alaska's coast may be paying a price in lost cubs or precious calories, according to a study by the U.S. Geological Survey.

Jul 20, 2011
2.3 / 5 (3) 1

Venture-cap investments rise in second quarter

(AP) -- Venture capitalists invested more in U.S. startups in the second quarter than they did during the same period a year ago, suggesting that investors are ramping up their search for the next Facebook or Twitter.

Jul 20, 2011
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Heavy metal hardens battle

The French may have had a better chance at the Battle of Agincourt had they not been weighed down by heavy body armour, say researchers.

Jul 20, 2011
4 / 5 (2) 4 | with audio podcast