How many alien civilizations are out there? | Adam Frank and Lex Fridman

Lex Fridman Podcast full episode:    • Adam Frank: Alien Civilizations and the Se...   Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/cv833... See below for guest bio, links, and to give feedback, submit questions, contact Lex, etc. GUEST BIO: Adam Frank is an astrophysicist studying star systems and the search for extraterrestrial life and alien civilizations. 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:   / 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://lexfridman.com/s/encord-cv833... Eight Sleep: Temp-controlled smart mattress cover. Go to https://lexfridman.com/s/eight_sleep-... Shopify: Sell stuff online. Go to https://lexfridman.com/s/shopify-cv83... NetSuite: Business management software. Go to https://lexfridman.com/s/netsuite-cv8... BetterHelp: Online therapy and counseling. Go to https://lexfridman.com/s/betterhelp-c... Notion: Note-taking and team collaboration. Go to https://lexfridman.com/s/notion-cv833... LMNT: Zero-sugar electrolyte drink mix. Go to https://lexfridman.com/s/lmnt-cv8330-sb AG1: All-in-one daily nutrition drinks. Go to https://lexfridman.com/s/ag1-cv8330-sb 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:    • Lex Fridman Podcast   Clips Channel:    / lexclips   SOCIAL LINKS: X: https://x.com/lexfridman Instagram:   / lexfridman   TikTok:   / lexfridman   LinkedIn:   / lexfridman   Facebook:   / lexfridman   Patreon:   / lexfridman   Telegram: https://t.me/lexfridman Reddit:   / lexfridman