How did the Rubik's Cube become a global phenomenon? Where exactly is Waldo? In part one of this series, legendary author and podcaster AJ Jacobs regales the gang with the wide world of Puzzlers, from early human history to the modern day.

The Fascinating History of Fountain Pens
36:32

CLASSIC: Meet Albert Cashier, the Trans Man Who Fought for the Union in the Civil War
28:25

Ridiculous Stuff We Didn't Get To in 2026, Part Two: Apple Trees, Ice Cream Wars and Weird Nuclear Gadgets
28:25