Radiolab Radiolab

Black Box

Feb 27, 2026

Summary

This Radiolab episode explores the mystery of anesthesia, detailing how scientists like Patrick Purden use brainwave monitoring to understand the "black box" of unconsciousness. It also features Jesse Cox’s investigation into his grandparents, the 1950s radio mentalists The Pittingtons, whose telepathy tricks remain unsolved. Finally, magician Penn Jillette explains why magic secrets are intentionally ugly to preserve the illusion.

Topics discussed

Intro: Ads and episode theme Ether Day: The first public demonstration of anesthesia The Black Box: The mystery of anesthesia and consciousness Brain waves: How anesthesia disconnects the brain Ads: Progressive and Stop & Shop The Pittingtons: A 1950s telepathy radio mystery Penn & Teller: The ethics of revealing magic secrets Metamorphosis: What happens inside a chrysalis? Outro: Credits and sponsors
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