The biotech company Colossal Biosciences has long aspired to bring back the extinct woolly mammoth, which roamed the Northern ...

One, the mammoth’s curly textured hair, is quite visible. The other — altering a mouse’s metabolism to store, not burn fats — is less so. To identify what genes they might target to achieve those ...

The Colossal scientists refined the list to include ten genes related to hair length, thickness, texture, and color as well as lipid metabolism that were compatible with expression in a mouse.