Psychologist Julian Jaynes came up with a stunning hypothesis in 1976, that human consciousness only developed in the last 3000 years. And he seemed to have proof in ancient texts. Scholars have been picking it apart ever since and in this classic episode we join the club.

Selects: How Peanut Butter Works
56:42

How Russia Shapes What the World Thinks
43:14

Short Stuff: Shark Arm Murders
16:05