Alien Observers and Earth's Challenges

Lord Martin Rees is a cosmologist and astrophysicist at Cambridge University and co-founder of the Centre for the Study of Existential Risk. Please support this podcast by checking out our sponsors:
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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
(06:39) – Understanding the universe
(15:09) – Human limitations and AI
(24:05) – Dark matter
(31:25) – Vast universe
(39:07) – Alien life
(52:59) – Space exploration
(1:17:22) – Future technology
(1:28:44) – Newton and Einstein
(1:32:46) – Black holes
(1:46:27) – Cosmological threats
(2:13:31) – Advice for young people
(2:16:02) – Mortality