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The woolly mammoth has come one step closer to resurrection.

George Church

Harvard geneticist George Church recently used CRISPR, the gene-editing tool described in our April 2015 issue (A Swiss knife for genetic engineering), to insert DNA from frozen prehistoric remains into an elephant cell. Although live mammoths are not expected anytime soon, this is a small step towards “de-extinction”, the process of bringing back disappeared species.

Find George Church on Twitter: @geochurch

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