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Who do you want to see receive $20,000 to put their Earth-saving idea into action? Check out the ten Green Effect finalists, and until July 20 you can vote—up to once a day—for your favorite idea!
Monday, July 6, 2009 |
Photo: Alien Life Can Survive Trip to Earth, Space Test ShowsSome of the biological material in the baseball-size meteorite (bottom right) survived reentry into Earth's atmosphere, even after most of the meteorite was destroyed (bottom left). The finding lends credibility to the idea that extraterrestrial organisms arriving on meteorites may have influenced the development of life on Earth, some scientists say. Photographs courtesy Paula Lindgren (University of Aberdeen), Rene Demets (European Space Agency), and Franz Brandstatter (Vienna)
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAYVote for Your Favorite Green Idea!
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