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August 16, 2007 11:52 AM

New study looks at evolution on a molecular level

For the first time, scientists have drawn a detailed map of the evolutionary steps taken by a protein that links modern humans to a creature that swam in the oceans 450 million years ago. The study, published Thursday in the journal Science, provides further rebuttal to creationists by filling in the gaps that show how evolution occurred on a molecular level.

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