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Science Johnson on 16 Jan 2009 12:01 am

Science moment: Whale evolution

A fascinating video from the science journal Nature discussing whale evolution:

It starts like this:

Nature reports the discovery of a crucial missing link in the ancestry of the cetaceans – porpoises, dolphins and whales.

“Ever since the time of Darwin, scientists have known that whales were descended from land mammals. But, until very recently, about 15 years ago, the ancestry of whales were not known, and creationists had a field day because there were no intermediates. In the last 15 years then, a number of remarkable transitional forms have been found that document the transition and the morphology of the early whales very nicely. One such form is Kutchicetus…”

– Hans Thewissen, Department of Anatomy, Northwestern Ohio Universities College of Medicine

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