Dr. Cora MacBeth studies green chemistry at Emory University. She teaches comedians Chuck Bryant (from Stuff You Should Know), Josh Sharp, and Shalewa Sharpe about how to manufacture chemicals without destroying the planet and why you've got brown bottles under your sink. Recorded in front of a live audience at the Atlanta Science Festival. Hosted by Chris Duffy. Produced by Pretty Good Friends.

Recorded live at the Maine Science Festival, Dr. Kristy Townsend is a neurobiologist who studies the effects of diet on the brain. She teaches Roy Wood Jr, Michelle Buteau, and Charlie Hankin about brown fat, how the brain coordinates energy balance, and why she hates cleanses. Hosted by Chris Duffy. Produced by Pretty Good Friends.