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.
FARM ARMS Central European women who lived in early farming villages generally had stronger arms than women today, including these University of Cambridge semi-elite rowers, researchers say.
Alastair Fyfe/Univ. of Cambridge
On December 2, 1942, scientists watched as the nuclear reactor that had been constructed beneath the University of Chicago’s football stadium produced the first controlled, sustained fission chain reaction.
National Archives and Records Administration
BETTER BABIES If CRISPR/Cas9 or other gene-editing technologies are ever approved for use in human embryos, parents may one day feel as if they have to use genetic enhancements to give their children the best life possible.