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Sara Walker - The Origin of Life on Earth and Alien Worlds
Fri, Jul 9, 2021 ·
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Sara Walker is an astrobiologist and theoretical physicist interested in the origin of life.
Timestamps
- 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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