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Monday, November 23, 2009 |
Monday, November 23, 2009 |
Photo: Dino Die-Off Didn't Cause Rise of Mammals, Study SuggestsThe detailed study that resulted in the supertree also suggests that the mass die-off of the dinosaurs 65 million years ago did little to cause the rise of mammals. Image courtesy Olaf R.P. Bininda-Emonds/Nature
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