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Synthetic biology and evolution : The New Yorker 

A team from Pennsylvania State University, working with hair samples from two woolly mammoths—one of them sixty thousand years old and the other eighteen thousand—has tentatively figured out how to modify that DNA and place it inside an elephant’s egg. The mammoth could then be brought to term in an elephant mother. “There is little doubt that it would be fun to see a living, breathing woolly mammoth.”

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