What happened before the Big Bang? | Martin Rees and Lex Fridman

Lex Fridman Podcast full episode: https://www.youtube.com/watch?v=50r-5ULcWgY Please support this podcast by checking out our sponsors: - Lambda: https://lambdalabs.com/lex - InsideTracker: https://insidetracker.com/lex to get 20% off - Indeed: https://indeed.com/lex to get $75 credit - ExpressVPN: https://expressvpn.com/lexpod to get 3 months free - Onnit: https://lexfridman.com/onnit to get up to 10% off GUEST BIO: Lord Martin Rees is cosmologist and astrophysicist at Cambridge University and co-founder of the Centre for the Study of Existential Risk. 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 SOCIAL: - Twitter: https://twitter.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - Medium: https://medium.com/@lexfridman - Reddit: https://reddit.com/r/lexfridman - Support on Patreon: https://www.patreon.com/lexfridman