Sara Walker is an astrobiologist and theoretical physicist interested in the origin of life. Please support this podcast by checking out our sponsors:

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Sara’s Website: http://emergence.asu.edu/ (http://emergence.asu.edu/)

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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

(07:44) – Origin of life

(15:38) – Did aliens seed life on Earth?

(20:48) – What is life?

(32:27) – Cellular automata

(36:56) – The laws of physics may change with time

(46:41) – Nobel Prize for the origin of life

(52:01) – Is consciousness fundamental to the universe?

(1:03:19) – Life is the most deterministic part of physics

(1:05:54) – Free will

(1:14:11) – How to detect alien life

(1:28:48) – How many alien civilization are out there?

(1:35:32) – Shadow biosphere

(1:41:59) – UFO sightings

(1:45:35) – Exponential population growth of AI lifeforms

(1:52:42) – The role of death in life

(1:56:45) – Advice for young people

(2:02:31) – Meaning of life