Sara Walker is an astrobiologist and theoretical physicist. She is the author of a new book titled “Life as No One Knows It: The Physics of Life’s Emergence”. Please support this podcast by checking out our sponsors:

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Transcript: https://lexfridman.com/sara-walker-3-transcript (https://lexfridman.com/sara-walker-3-transcript)

EPISODE LINKS:

Sara’s Book – Life as No One Knows It: https://amzn.to/3wVmOe1 (https://amzn.to/3wVmOe1)

Sara’s X: https://x.com/Sara_Imari (https://x.com/Sara_Imari)

Sara’s Instagram: https://instagram.com/alien_matter (https://instagram.com/alien_matter)

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OUTLINE:

Here’s the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.

(00:00) – Introduction

(10:40) – Definition of life

(31:18) – Time and space

(42:00) – Technosphere

(46:25) – Theory of everything

(55:06) – Origin of life

(1:16:44) – Assembly theory

(1:32:58) – Aliens

(1:44:48) – Great Perceptual Filter

(1:48:45) – Fashion

(1:52:47) – Beauty

(1:59:08) – Language

(2:05:50) – Computation

(2:15:37) – Consciousness

(2:24:28) – Artificial life

(2:48:21) – Free will

(2:55:05) – Why anything exists