Hosts: Ed Brown, Penny Dumsday, Lucas Randall

00:00:40 Researchers at the Max Planck Institute in Germany have used a machine-learning algorithm to finally answer one of science's most confounding puzzles: Is that mouse over there happy? Or afraid? Or disgusted?
00:07:54 Astrophysicists from the University of Florida and Columbia University have figured out that a violent collision of two neutron stars released many of the heavier atoms that went on to form our solar system.

This episode contains traces of Greg Milam, US correspondent for Sky News, on the Pentagon's release of videos showing unidentified flying objects.