Adam Frank is an astrophysicist studying star systems and the search for extraterrestrial life and alien civilizations. Thank you for listening ? Check out our sponsors: https://lexfridman.com/sponsors/ep455-sc See below for timestamps, and to give feedback, submit questions, contact Lex, etc. CONTACT LEX: Feedback - give feedback to Lex: https://lexfridman.com/survey AMA - submit questions, videos or call-in: https://lexfridman.com/ama Hiring - join our team: https://lexfridman.com/hiring Other - other ways to get in touch: https://lexfridman.com/contact EPISODE LINKS: Adam's Website: https://adamfrankscience.com Adam's X: https://x.com/adamfrank4 Adam's Instagram: https://instagram.com/adamfrankscience Adam's Books: The Little Book of Aliens: https://amzn.to/3OTX1rP Light of the Stars: https://amzn.to/4iMKC6C The Blind Spot: https://amzn.to/4gOCe4K The Constant Fire: https://amzn.to/3ZVnxX4 SPONSORS: To support this podcast, check out our sponsors & get discounts: Encord: AI tooling for annotation & data management. Go to https://encord.com/lex Eight Sleep: Temp-controlled smart mattress cover. Go to https://eightsleep.com/lex Shopify: Sell stuff online. Go to https://shopify.com/lex NetSuite: Business management software. Go to http://netsuite.com/lex BetterHelp: Online therapy and counseling. Go to https://betterhelp.com/lex Notion: Note-taking and team collaboration. Go to https://notion.com/lex LMNT: Zero-sugar electrolyte drink mix. Go to https://drinkLMNT.com/lex AG1: All-in-one daily nutrition drinks. Go to https://drinkag1.com/lex OUTLINE: (00:00) - Introduction (14:22) - Planet formation (19:32) - Plate tectonics (26:54) - Extinction events (31:04) - Biosphere (34:02) - Technosphere (38:17) - Emergence of intelligence (44:29) - Drake equation (48:43) - Exoplanets (51:28) - Habitable zones (54:30) - Fermi Paradox (1:03:28) - Alien civilizations (1:12:55) - Colonizing Mars (1:25:11) - Search for aliens (1:41:37) - Alien megastructures (1:47:43) - Kardashev scale (1:52:56) - Detecting aliens (1:59:38) - Warp drives (2:05:45) - Cryogenics (2:09:03) - What aliens look like (2:17:48) - Alien contact (2:28:53) - UFO sightings (2:40:38) - Physics of life (3:06:29) - Nature of time (3:22:53) - Cognition (3:27:16) - Mortality PODCAST LINKS: - Podcast Website: https://lexfridman.com/podcast - Apple Podcasts: https://apple.co/2lwqZIr - Spotify: https://spoti.fi/2nEwCF8 - RSS: https://lexfridman.com/feed/podcast/ - Podcast Playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4 - Clips Channel: https://www.youtube.com/lexclips