6 Extinct Animals That Could Be Brought Back to Life

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Woolly mammoth

Credit: A. Tikhonov
There are some extinct species — such as the woolly mammoth, shown above — that may be brought back to life if scientists can overcome some practical…Read More »

hurdles and thorny ethical questions. This gallery shows six of the species that researchers talked about reviving at a March 2013 forum called TEDxDeExtinction in Washington, D.C.    Less «
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