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Wednesday, November 11, 2009 |
Wednesday, November 11, 2009 |
Photo: Fastest Known Muscles Found in Songbirds' ThroatsA paper released July 9, 2008, shows that starlings and other songbirds have the world's fastest known muscles—their vocal cords. Photograph by Konrad Wothe/Minden Pictures
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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