Not too long ago, people would pay money to gawk and stare at a performer with a physical disformity. They were called freak shows and they began in large part thanks to P.T. Barnum, whose circus we still enjoy today. Sounds awful, but some of these performers became rich folks as a result. Exploitive? You decide, after taking in this classic episode.

Short Stuff: Aztec Death Whistle
11:30

How Cognitive Biases Work
56:19

Selects: Why Do Great Flood Myths Seem To Be Universal?
44:03