A pair of old timey fossil hunters had a rootin’ tootin’ rivalry that spilled from academic journals into the American Wild West - where fossils were dynamited and employees turned double agent. Learn about the two-fisted origins of American paleontology in this classic episode.

The Gold Standard: When Money Meant Something
52:51

Selects: How Dopamine Works
45:32

The Battle of the Sexes
49:31