NASA finds new life form in California (not in space): Announcement Video
After two days of flurries of speculation about NASA's Thursday announcement, an answer finally seems clear: NASA did not find alien life, but it did find a new life form here on Earth. A team of scientists discovered a bacteria in California that lives off arsenic.
Before you get disappointed, realize that while not as sexy as a little green man, it is a big deal. No other life form exists off arsenic. It had long been the assumption that without six certain essential elements -- carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur -- life could not exist. This discovery shows "life-as-we-know-it could be much more flexible than we generally assume or can imagine," Felisa Wolfe-Simon a NASA biochemist told the Post's Marc Kaufman.
Watch the announcement here:
| December 2, 2010; 1:42 PM ET
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