In the Dec. 9 SN: Lessons from the Pliocene, searching for new ways to fight MS, a supernova on repeat, the great gene drive debate, spider sleep secrets, an ailing boy gets new skin, kleptopredation and more.
December 9, 2017
From left: Wayne Lynch/Alamy Stock Photo; IBM Research/Flickr (CC BY-ND 2.0)
