For the first time in a long time (the species went extinct 4,000 years ago), the genes of a wooly mammoth are active -- reborn inside the Asian elephant skin cells floating about the petri dishes in the lab of lead researcher George Church.
Not all of the mammoth's genetic code was spliced into the elephant genome. In fact, only 14 genes were inserted -- ones most representative of the hairy, cold-enduring traits of the modern elephant's ancient relative. The genes were spliced into elephant skins cells using a technique called CRISPR ...
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