Biotech Firm Unveils 'Woolly Mice,' a Step Toward Recreating Woolly Mammoths
A U.S. biotech firm working to bring back extinct animals said it had reached a milestone in its quest to recreate woolly mammoths. This week it unveiled "woolly mice" — mice that had been genetically engineered to sport woolly coats reminiscent of long-dead mammoths.Read more on E360 →

A U.S. biotech firm working to bring back extinct animals said it had reached a milestone in its quest to recreate woolly mammoths. This week it unveiled "woolly mice" — mice that had been genetically engineered to sport woolly coats reminiscent of long-dead mammoths.