In this replay episode: What would we do to live better, longer, or maybe even forever? Lots of quests for immortality involved mystical potions or objects. And one very popular fad in the 1920s involved transplanted monkey testicles!

The Backstory: Columbus Day? Who Really Discovered America?
07:27

The Backstory: How to Create a Female Serial Killer
10:19

The Backstory: Death: How We Handle Our Expiration Date
08:34