Brain Balls
Radiolab9 Tammi

Brain Balls

When neuroscientist Madeline Lancaster was a brand new postdoc, she accidentally used an expired protein gel in a lab experiment and noticed something weird. The stem cells she was trying to grow in a dish were self-assembling. The result? Madeline was the first person ever to grow what she called a “cerebral organoid,” a tiny, 3D version of a human brain the size of a peppercorn.

In about a decade, these mini human brain balls were everywhere. They were revealing bombshell secrets about how our brains develop in the womb, helping treat advanced cancer patients, being implanted into animals, even playing the video game Pong. But what are they? Are these brain balls capable of sensing, feeling, learning, being? Are they tiny, trapped humans? And if they were, how would we know?

Special thanks to Lynn Levy, Jason Yamada-Hanff, David Fajgenbaum, Andrew Verstein, Anne Hamilton, Christopher Mason, Madeline Mason-Moriarty, the team at the Boston Museum of Science, and Howard Fine, Stefano Cirigliano, and the team at Weill-Cornell.

EPISODE CREDITS:
Reported by - Latif Nasser
with help from - Mona Madgavkar
Produced by - Annie McEwen, Mona Madgavkar, and Pat Walters
with mixing help from - Jeremy Bloom
Fact-checking by - Natalie Middleton and Rebecca Rand
and Edited by - Alex Neason and Pat Walters

EPISODE CITATIONS:

Videos -

Articles -


Books -
Carl Zimmer Life’s Edge: The Search for What it Means to be Alive (https://carlzimmer.com/books/lifes-edge/)



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