# What Is Life?

An episode of [The Joy of Why](https://invisiblenetwork.ai/podcast/1608948873), 15 Jun 2022, 42 min.

Audio: https://dts.podtrac.com/redirect.mp3/tracking.swap.fm/track/sblTq32fyWAjsHzze2LG/dovetail.prxu.org/5340/c2c56b06-c73e-441e-857f-acba928ddeaf/Ep7-JOW-WhatIsLife_FINAL-with-NEWCREDITSMASTER6052022.mp3

Without a good definition of life, how do we look for it on alien planets? Steven Strogatz speaks with Robert Hazen, a mineralogist and astrobiologist, and Sheref Mansy, a chemist, to learn more.

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