A new study shows why Neanderthal DNA can be bad for you. Astronomers capture visual evidence of an exploding star. And sometimes, it’s a bad idea to go to the Internet for help. Rabiah Mayas from the Museum of Science and Industry joins “Chicago Tonight” to examine these stories and more.
It's the weekend for love, but Valentine's Day can leave some feeling awfully lonely. A University of Chicago neuroscientist joins “Chicago Tonight” to discuss the science of loneliness and its potential health hazards.