Podcast episode
Sara Walker is an astrobiologist and theoretical physicist interested in the origin of life. Please support this podcast by checking out our sponsors: - Athletic Greens: https://athleticgreens.com/lex and use code LEX to get 1 month of fish oil - NetSuite: http://netsuite.com/lex to get free product...

Sara Walker is an astrobiologist and theoretical physicist interested in the origin of life. Please support this podcast by checking out our sponsors:
- Athletic Greens: https://athleticgreens.com/lex and use code LEX to get 1 month of fish oil
- NetSuite: http://netsuite.com/lex to get free product tour
- Blinkist: https://blinkist.com/lex and use code LEX to get 25% off premium
- Magic Spoon: https://magicspoon.com/lex and use code LEX to get $5 off

EPISODE LINKS:
Sara's Twitter: https://twitter.com/Sara_Imari
Sara's Website: http://emergence.asu.edu/

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/
Full episodes playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4
Clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41

OUTLINE:
0:00 - Introduction
1:53 - Origin of life
9:46 - Did aliens seed life on Earth?
14:57 - What is life?
26:36 - Cellular automata
31:04 - The laws of physics may change with time
40:50 - Nobel Prize for the origin of life
46:09 - Is consciousness fundamental to the universe?
57:28 - Life is the most deterministic part of physics
1:00:03 - Free will
1:08:20 - How to detect alien life
1:22:57 - How many alien civilization are out there?
1:29:41 - Shadow biosphere
1:36:08 - UFO sightings
1:39:43 - Exponential population growth of AI lifeforms
1:46:50 - The role of death in life
1:50:54 - Advice for young people
1:56:40 - Meaning of life

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