Sara Walker is an astrobiologist and theoretical physicist. Lee Cronin is a chemist. This is a conversation and debate about alien life and alien civilizations. Please support this podcast by checking out our sponsors: - Uncruise: https://uncruise.com/pages/lex - Linode: https://linode.com/lex to get $100 free credit - ExpressVPN: https://expressvpn.com/lexpod and use code LexPod to get 3 months free - ROKA: https://roka.com/ and use code LEX to get 20% off your first order - Athletic Greens: https://athleticgreens.com/lex and use code LEX to get 1 month of fish oil EPISODE LINKS: Sara's Twitter: https://twitter.com/Sara_Imari Sara's Website: http://emergence.asu.edu Lee's Twitter: https://twitter.com/leecronin Lee's Website: https://www.chem.gla.ac.uk/cronin Chemify's Website: https://chemify.io 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/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman 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 (07:47) - Aliens (21:53) - What is life? (29:35) - Assembly theory (52:03) - Math (1:03:45) - Communication with aliens (1:28:38) - Evolution of the universe (1:37:56) - Creating alien life (1:45:29) - Origin of life (1:52:29) - Before the Big Bang (1:59:22) - God (2:09:39) - Goal-directed behavior (2:27:37) - Time (2:35:54) - Free will and imagination (2:51:06) - UFO sightings (2:56:06) - Alien life forms debate (3:11:14) - Robots (3:20:29) - Love and emotion (3:38:55) - Beauty in science (3:49:06) - Random questions (3:58:30) - Advice for young people (4:01:48) - Life on Earth (4:06:12) - Memory

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“What did the council decide on item 42?” — answered with the speaker and the moment.