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!
Friday, July 10, 2009 |
Friday, July 10, 2009 |
Photo: Unknown "Structures" Tugging at Universe, Study SaysThe dark flow is caused by unknown clumps of matter outside the known universe, which are pulling our entire universe toward them, the study suggests. The report hints that, whatever may be beyond the known universe, it's like nothing we know. Image courtesy NASA/STScI/Magellan/U. Arizona/D. Clowe, et al
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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