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:
- Notion: https://notion.com/lex
- Motific: https://motific.ai
- Shopify: https://shopify.com/lex to get $1 per month trial
- BetterHelp: https://betterhelp.com/lex to get 10% off
- AG1: https://drinkag1.com/lex to get 1 month supply of fish oil

Transcript: https://lexfridman.com/sara-walker-3-transcript

EPISODE LINKS:
Sara's Book - Life as No One Knows It: https://amzn.to/3wVmOe1
Sara's X: https://x.com/Sara_Imari
Sara's Instagram: https://instagram.com/alien_matter

PODCAST INFO:
Podcast website: https://lexfridman.com/podcast
Apple Podcasts: https://apple.co/2lwqZIr
Spotify: https://spoti.fi/2nEwCF8
RSS: https://lexfridman.com/feed/podcast/
YouTube Full Episodes: https://youtube.com/lexfridman
YouTube Clips: https://youtube.com/lexclips

SUPPORT &amp; CONNECT:
- Check out the sponsors above, it's the best way to support this podcast
- Support on Patreon: https://www.patreon.com/lexfridman
- Twitter: https://twitter.com/lexfridman
- Instagram: https://www.instagram.com/lexfridman
- LinkedIn: https://www.linkedin.com/in/lexfridman
- Facebook: https://www.facebook.com/lexfridman
- Medium: https://medium.com/@lexfridman

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

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: - Notion: https://notion.

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: 
- Notion: https://notion.com/lex 
- Motific: https://motific.ai 
- Shopify: https://shopify.com/lex to get $1 per month trial 
- BetterHelp: https://betterhelp.com/lex to get 10% off 
- AG1: https://drinkag1.com/lex to get 1 month supply of fish oil 
 
Transcript: https://lexfridman.com/sara-walker-3-transcript 
 
EPISODE LINKS: 
Sara's Book - Life as No One Knows It: https://amzn.to/3wVmOe1 
Sara's X: https://x.com/Sara_Imari 
Sara's Instagram: https://instagram.com/alien_matter 
 
PODCAST INFO: 
Podcast website: https://lexfridman.com/podcast 
Apple Podcasts: https://apple.co/2lwqZIr 
Spotify: https://spoti.fi/2nEwCF8 
RSS: https://lexfridman.com/feed/podcast/ 
YouTube Full Episodes: https://youtube.com/lexfridman 
YouTube Clips: https://youtube.com/lexclips 
 
SUPPORT &amp; CONNECT: 
- Check out the sponsors above, it's the best way to support this podcast 
- Support on Patreon: https://www.patreon.com/lexfridman 
- Twitter: https://twitter.com/lexfridman 
- Instagram: https://www.instagram.com/lexfridman 
- LinkedIn: https://www.linkedin.com/in/lexfridman 
- Facebook: https://www.facebook.com/lexfridman 
- Medium: https://medium.com/@lexfridman 
 
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

#433 – Sara Walker: Physics of Life, Time, Complexity, and Aliens