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.
LISTENING IN A computer code picked out six new types of dolphin clicks from several months’ worth of underwater sound recordings.
AI SPY A new type of artificial neural network has its virtual neurons (like the one illustrated above) organized into clusters called capsules. This helps the network more easily identify objects from new angles than its traditional counterparts.
IT’S ALIVE Living bacteria can give 3-D printed materials special powers, such as producing form-fitting wound dressings. Here, such a material is printed on a doll’s face and stained to fluoresce blue.