Today, soap is ubiquitous. It comes in thousands of forms, brands, and varieties -- but this wasn't always the case. In today's episode, Ben, Noel and Max explore the theoretical origin story of soap, and how humanity eventually decided (after a few stops and starts) to literally clean up its act.

The Bizarre Parable of New Coke, Chapter One: Sweeter, Stranger, Strange
36:14

"Resting Bicycle Face": Bikes and Women's Rights
44:09

CLASSIC: How Oliver Cromwell Got Executed Several Years After His Death
26:40