Friday, November 26, 2010

Size of Mammals Exploded After Dinosaur Extinction

Researchers have demonstrated that the extinction of dinosaurs 65 million years ago paved the way for mammals to get bigger -- about a thousand times bigger than they had been. The study titled, "The Evolution of Maximum Body Size of Terrestrial Mammals," released in the journal Science, is the first to quantitatively explore the patterns of body size of mammals after the demise of the dinosaurs.

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