The Spectrum of Aliveness

We’ve had many bracing thinkers on this show, but Sara Walker might take the cake. A physicist and astrobiologist at Arizona State University, she's just written "Life as No One Knows It: The Physics of Life's Emergence," a thrilling exploration of life's origins and the search for it across the cosmos.

🕐 The second part of this conversation will be available on Thursday. If you can’t wait until then, you can hear it right now on The Next Big Idea app

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