Reviving The Woolly Mammoth ... With Mice

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You've heard of the woolly mammoth. But have you heard of woolly mice ? These critters were genetically modified by the Dallas-based biotech company Colossal Biosciences to have the same "woolly" and fat appearance as the ancient mammoths. The mice are a key step in the longer journey to de-extinct the woolly mammoth. NPR's Rob Stein takes us to the lab where it all happened. Interested in more biotech stories? Let us know by dropping a line to shortwave@npr.org . Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at plus.npr.org/shortwave . See pcm.adswizz.com for information about our collection and use of personal data for…