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You could win $20,000 to put it into action. Take part in the Green Effect, a new initiative from SunChips and National Geographic to inspire people to take small steps for big change.
Monday, July 6, 2009 |
Photo: Big Brains Arose Separately in Multiple Primate GroupsThe finding suggests that a hallmark of primate biology—bigger brains—arose separately in primates in isolated groups throughout the world. Photograph courtesy John Weinstein, the Field Museum
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAYWhat's Your Green Idea?
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