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: Sharks Repelled by Metal That Creates Electric FieldNow researchers have shown that young sandbar sharks avoid bait near an electrochemical alloy, a find that could lead to longlines laced with the shark-repellent metal. Photograph by Jeff Rotman/Getty Images
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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