Radiolab

Brain Balls

January 9, 2026·41 min·5-min readnarrativescience
Podzilla Summary (5 min)
TLDR
This Radiolab episode explores the revolutionary development of brain organoids — tiny, lab-grown clusters of human brain cells — and the profound scientific and ethical questions they raise about consciousness, identity, and the boundaries of life.


PREMISE

The episode traces the a

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Guest

M

Madeline Lancaster

narrative on Radiolab

Mentions

Books, people, and resources mentioned in this episode.

People

Madeline LancasterCarl ZimmerHoward FineBrett KaganIn Soo HyunSergio Pasca

Books

Life's Edgeby Carl Zimmer

Companies

Cortical Labs

Research & Papers

Cerebral organoids paper in Nature

Topics

Artificial IntelligenceBiologyEthicsGeneticsLong Form JournalismMental HealthNeuroscienceScientific Method

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