On this week's show, Don is joined by Sam Kean, the New York Times bestselling author of such books as "The Disappearing Spoon", and "The Bastard Brigade", to discuss:

Thing 1: Cavemen had beautiful teeth.

Thing 2: The rag tag group of misfits who were tasked with stopping the Nazis from developing a nuclear bomb.

Thing 3: The crazy connection between your frying pan and nuclear weapons.