Using hairs from woolly mammoths, scientists have sequenced an extensive genome of these elephant cousins, a new report says.
The development brings researchers a step closer to “resurrecting” the extinct species via cloning, though so many technical obstacles stand in the way that some experts doubt it could ever happen.
(See “Mammoths to Return? DNA Advances Spur [...]

Siberia’s last woolly mammoths descended from North American—not exclusively Eurasian—stock, according to new research.
Scientists studying DNA from the remains of 160 of the animals found the ancient beasts migrated back and forth between Eurasia and Alaska several times over hundreds of thousands of years.
Cousins of present-day elephants (learn more), woolly mammoths are believed [...]