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263 - Sara Imari Walker: Astrobiology, Aliens, and the Origin of Life
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Sara Imari Walker is Professor in the School of Earth and Space Exploration at Arizona State University, where she is Deputy Director of the Beyond Center. Sara is an astrobiologist and theoretical physicist, with research interests in the origins of life, artificial life, life and detection on other worlds. In this episode, Robinson and Sara discuss the physics that makes life possible. More particularly, they discuss assembly theory, the growing field of astrobiology, the difficulties of defining life, and where we are most likely to find aliens. Sara’s latest book is Life as No One Knows It: The Physics of Life’s Emergence (Riverhead Books, 2024). Life as No One Knows It:…