Life is the sum total of the time between birth and death. But have you ever really wondered, what is life? It’s mysterious - and even science doesn’t quite have an answer. But there’s a new biology of life that’s overturning decades of assumptions. We report from a gathering of biologists, geologists and artists at the Island of Knowledge in Tuscany.

Original Air Date: July 12, 2025

Interviews In This Hour:
Why we need a new theory of life — Beyond the genome: A new science of life — How humans can learn to be animal

Guests:
Marcelo Gleiser, Bob Hazen, Phil Ball, Melanie Challenger

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