#446 – Ed Barnhart: Maya, Aztec, Inca, and Lost Civilizations of South America

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

Saagar Enjeti is a political journalist & commentator, co-host of Breaking Points with Krystal and Saagar and The Realignment Podcast. He is exceptionally well-read, and the books he recommends are always fascinating and eye-opening. You can check out all the books he mentions in this episode here: https://lexfridman.com/saagar-books Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep454-sc See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. Transcript: https://lexfridman.com/saagar-enjeti-2-transcript 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: Saagar's Book Recommendations: https://lexfridman.com/saagar-books Saagar's Substack (where he recommends more books): https://saagarenjeti.substack.com/ Saagar's X: https://x.com/esaagar Saagar's Instagram: https://instagram.com/esaagar Breaking Points: https://youtube.com/@breakingpoints The Realignment Podcast: https://www.youtube.com/@therealignment Saagar's Linktree: https://linktr.ee/esaagar SPONSORS: To support this podcast, check out our sponsors & get discounts: Eight Sleep: Temp-controlled smart mattress cover. Go to https://eightsleep.com/lex AG1: All-in-one daily nutrition drinks. Go to https://drinkag1.com/lex LMNT: Zero-sugar electrolyte drink mix. Go to https://drinkLMNT.com/lex BetterHelp: Online therapy and counseling. Go to https://betterhelp.com/lex Shopify: Sell stuff online. Go to https://shopify.com/lex NetSuite: Business management software. Go to http://netsuite.com/lex OUTLINE: (00:00) - Introduction (09:47) - Why Trump won (14:48) - Book recommendations (18:24) - History of wokeism (25:54) - History of Scots-Irish (32:32) - Biden (36:34) - FDR (38:36) - George W Bush (40:59) - LBJ (46:15) - Cuban Missile Crisis (53:48) - Immigration (1:25:46) - DOGE (1:52:27) - MAGA ideology (1:55:39) - Bernie Sanders (2:04:00) - Obama vs Trump (2:21:00) - Nancy Pelosi (2:24:14) - Kamala Harris (2:40:00) - 2020 Election (3:03:49) - Sam Harris (3:14:55) - UFOs (3:20:47) - Future of the Republican Party (3:27:24) - Future of the Democratic Party (3:35:21) - Hope

Javier Milei is the President of Argentina. This episode is available in both English and Spanish. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep453-sc See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. Transcript: https://lexfridman.com/javier-milei-transcript 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: Javier Milei's X: https://x.com/JMilei Javier Milei's Instagram: https://instagram.com/javiermilei Javier Milei's Facebook: https://facebook.com/JavierMileiEconomista SPONSORS: To support this podcast, check out our sponsors & get discounts: Eight Sleep: Temp-controlled smart mattress. Go to https://eightsleep.com/lex NetSuite: Business management software. Go to http://netsuite.com/lex BetterHelp: Online therapy and counseling. Go to https://betterhelp.com/lex AG1: All-in-one daily nutrition drinks. Go to https://drinkag1.com/lex LMNT: Zero-sugar electrolyte drink mix. Go to https://drinkLMNT.com/lex OUTLINE: (00:00) - Introduction (14:44) - Economic freedom (20:09) - Anarcho-capitalism (30:02) - Presidency and reforms (49:22) - Poverty (55:54) - Corruption (1:04:32) - Freedom (1:18:43) - Elon Musk (1:24:11) - DOGE (1:26:13) - Donald Trump (1:32:13) - US and Argentina relations (1:39:22) - Messi vs Maradona (1:48:16) - God (1:50:22) - Elvis and Rolling Stones (1:54:02) - Free market (2:01:03) - Loyalty (2:03:40) - Advice for young people (2:05:06) - Hope for Argentina 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 SOCIAL LINKS: - X: https://x.com/lexfridman - Instagram: https://instagram.com/lexfridman - TikTok: https://tiktok.com/@lexfridman - LinkedIn: https://linkedin.com/in/lexfridman - Facebook: https://facebook.com/lexfridman - Patreon: https://patreon.com/lexfridman - Telegram: https://t.me/lexfridman - Reddit: https://reddit.com/r/lexfridman

Dario Amodei is the CEO of Anthropic, the company that created Claude. Amanda Askell is an AI researcher working on Claude's character and personality. Chris Olah is an AI researcher working on mechanistic interpretability. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep452-sc See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. Transcript: https://lexfridman.com/dario-amodei-transcript 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: Claude: https://claude.ai Anthropic's X: https://x.com/AnthropicAI Anthropic's Website: https://anthropic.com Dario's X: https://x.com/DarioAmodei Dario's Website: https://darioamodei.com Machines of Loving Grace (Essay): https://darioamodei.com/machines-of-loving-grace Chris's X: https://x.com/ch402 Chris's Blog: https://colah.github.io Amanda's X: https://x.com/AmandaAskell Amanda's Website: https://askell.io SPONSORS: To support this podcast, check out our sponsors & get discounts: Encord: AI tooling for annotation & data management. Go to https://encord.com/lex Notion: Note-taking and team collaboration. Go to https://notion.com/lex Shopify: Sell stuff online. Go to https://shopify.com/lex BetterHelp: Online therapy and counseling. Go to https://betterhelp.com/lex LMNT: Zero-sugar electrolyte drink mix. Go to https://drinkLMNT.com/lex OUTLINE: (00:00) - Introduction (10:19) - Scaling laws (19:25) - Limits of LLM scaling (27:51) - Competition with OpenAI, Google, xAI, Meta (33:14) - Claude (36:50) - Opus 3.5 (41:36) - Sonnet 3.5 (44:56) - Claude 4.0 (49:07) - Criticism of Claude (1:01:54) - AI Safety Levels (1:12:42) - ASL-3 and ASL-4 (1:16:46) - Computer use (1:26:41) - Government regulation of AI (1:45:30) - Hiring a great team (1:54:19) - Post-training (1:59:45) - Constitutional AI (2:05:11) - Machines of Loving Grace (2:24:17) - AGI timeline (2:36:52) - Programming (2:43:52) - Meaning of life (2:49:58) - Amanda Askell - Philosophy (2:52:26) - Programming advice for non-technical people (2:56:15) - Talking to Claude (3:12:47) - Prompt engineering (3:21:21) - Post-training (3:26:00) - Constitutional AI (3:30:53) - System prompts (3:37:00) - Is Claude getting dumber? (3:49:02) - Character training (3:50:01) - Nature of truth (3:54:38) - Optimal rate of failure (4:01:49) - AI consciousness (4:16:20) - AGI (4:24:58) - Chris Olah - Mechanistic Interpretability (4:29:49) - Features, Circuits, Universality (4:47:23) - Superposition (4:58:22) - Monosemanticity (5:05:14) - Scaling Monosemanticity (5:14:02) - Macroscopic behavior of neural networks (5:18:56) - Beauty of neural networks

Rick Spence is a historian specializing in the history of intelligence agencies, espionage, secret societies, conspiracies, the occult, and military history. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep451-sc See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. Transcript: https://lexfridman.com/rick-spence-transcript 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: Rick's Website: https://www.uidaho.edu/class/history/faculty-staff/richard-spence Rick's Courses: https://bit.ly/40dIZbw SPONSORS: To support this podcast, check out our sponsors & get discounts: AG1: All-in-one daily nutrition drinks. Go to https://drinkag1.com/lex NetSuite: Business management software. Go to http://netsuite.com/lex BetterHelp: Online therapy and counseling. Go to https://betterhelp.com/lex MasterClass: Online classes from world-class experts. Go to https://masterclass.com/lexpod Shopify: Sell stuff online. Go to https://shopify.com/lex OUTLINE: (00:00) - Introduction (09:04) - KGB and CIA (23:21) - Okhrana, Cheka, NKVD (38:53) - CIA spies vs KGB spies (45:29) - Assassinations and mind control (52:23) - Jeffrey Epstein (59:15) - Bohemian Grove (1:11:09) - Occultism (1:22:20) - Nazi party and Thule society (2:02:38) - Protocols of the Elders of Zion (2:35:43) - Charles Manson (3:02:30) - Zodiac Killer (3:13:24) - Illuminati (3:20:48) - Secret societies 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 SOCIAL LINKS: - X: https://x.com/lexfridman - Instagram: https://instagram.com/lexfridman - TikTok: https://tiktok.com/@lexfridman - LinkedIn: https://linkedin.com/in/lexfridman - Facebook: https://facebook.com/lexfridman - Patreon: https://patreon.com/lexfridman - Telegram: https://t.me/lexfridman - Reddit: https://reddit.com/r/lexfridman

Bernie Sanders is a US Senator from Vermont and a two-time presidential candidate. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep450-sc See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. Transcript: https://lexfridman.com/bernie-sanders-transcript 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: Bernie's Website: https://berniesanders.com Bernie's X: https://x.com/BernieSanders Bernie's Instagram: https://instagram.com/berniesanders Bernie's YouTube: https://youtube.com/@BernieSanders Bernie's Facebook: https://facebook.com/berniesanders Bernie's Books: It's OK to Be Angry About Capitalism: https://amzn.to/4fiIqS3 Where We Go from Here: https://amzn.to/4eUSJMj Bernie Sanders Guide to Political Revolution: https://amzn.to/3YkVAa4 Our Revolution: https://amzn.to/40cIbnf Outsider in the White House: https://amzn.to/3BSfD8u SPONSORS: To support this podcast, check out our sponsors & get discounts: Eight Sleep: Temp-controlled smart mattress. Go to https://eightsleep.com/lex Saily: An eSIM for international travel. Go to https://saily.com/lex Ground News: Unbiased news source. Go to https://groundnews.com/lex AG1: All-in-one daily nutrition drinks. Go to https://drinkag1.com/lex LMNT: Zero-sugar electrolyte drink mix. Go to https://drinkLMNT.com/lex OUTLINE: (00:00) - Introduction (08:51) - MLK Jr (11:43) - Corruption in politics (23:00) - Healthcare in US (31:33) - 2016 election (37:32) - Barack Obama (43:26) - Capitalism (51:35) - Response to attacks (56:32) - AOC and progressive politics (1:04:24) - Mortality (1:06:30) - Hope for the future 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

Graham Hancock a journalist and author who for over 30 years has explored the controversial possibility that there existed a lost civilization during the last Ice Age, and that it was destroyed in a global cataclysm some 12,000 years ago. He is the presenter of the Netflix documentary series "Ancient Apocalypse", the 2nd season of which has just been released. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep449-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: Graham's Website: https://grahamhancock.com/ Ancient Apocalypse (Season 2): https://netflix.com/title/81211003 Graham's YouTube: https://youtube.com/GrahamHancockDotCom Graham's X: https://x.com/Graham__Hancock Graham's Facebook: https://facebook.com/Author.GrahamHancock Fingerprints of the Gods (book): https://amzn.to/4eM3QXC SPONSORS: To support this podcast, check out our sponsors & get discounts: Notion: Note-taking and team collaboration. Go to https://notion.com/lex Riverside: Platform for recording podcasts and videos from everywhere. Go to https://creators.riverside.fm/LEX LMNT: Zero-sugar electrolyte drink mix. Go to https://drinkLMNT.com/lex Shopify: Sell stuff online. Go to https://shopify.com/lex BetterHelp: Online therapy and counseling. Go to https://betterhelp.com/lex OUTLINE: (00:00) - Introduction (09:58) - Lost Ice Age civilization (17:03) - Göbekli Tepe (29:07) - Early humans (34:07) - Astronomical symbolism (45:36) - Younger Dryas impact hypothesis (1:03:55) - The Great Pyramid and the Sphinx of Giza (1:24:29) - Sahara Desert and the Amazon rainforest (1:33:49) - Response to critics (1:57:56) - Panspermia (2:05:22) - Shamanism (2:29:22) - How the Great Pyramid was built (2:36:41) - 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

Jordan Peterson is a psychologist, author, lecturer, and podcast host. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep448-sc See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. Transcript: https://lexfridman.com/jordan-peterson-2-transcript 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: Peterson Academy: https://petersonacademy.com Jordan's X: https://x.com/jordanbpeterson Jordan's YouTube: https://www.youtube.com/@JordanBPeterson Jordan's Website: https://jordanbpeterson.com Jordan's Books: We Who Wrestle with God: https://amzn.to/485Dz4a Beyond Order: https://amzn.to/3T4LRBw 12 Rules for Life: https://amzn.to/3c4sqYF Maps of Meaning: https://amzn.to/3A1Ods2 SPONSORS: To support this podcast, check out our sponsors & get discounts: Eight Sleep: Temp-controlled smart mattress. Go to https://eightsleep.com/lex Ground News: Unbiased news source. Go to https://groundnews.com/lex BetterHelp: Online therapy and counseling. Go to https://betterhelp.com/lex LMNT: Zero-sugar electrolyte drink mix. Go to https://drinkLMNT.com/lex OUTLINE: (00:00) - Introduction (07:07) - Nietzsche (14:48) - Power and propaganda (19:54) - Nazism (24:54) - Religion (41:18) - Communism (47:03) - Hero myth (49:12) - Belief in God (59:24) - Advice for young people (1:12:02) - Sex (1:32:00) - Good and evil (1:44:46) - Psychopathy (1:58:15) - Hardship (2:10:31) - Pain and gratitude (2:21:32) - Truth 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

Aman Sanger, Arvid Lunnemark, Michael Truell, and Sualeh Asif are creators of Cursor, a popular code editor that specializes in AI-assisted programming. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep447-sc See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. Transcript: https://lexfridman.com/cursor-team-transcript 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: Cursor Website: https://cursor.com Cursor on X: https://x.com/cursor_ai Anysphere Website: https://anysphere.inc/ Aman's X: https://x.com/amanrsanger Aman's Website: https://amansanger.com/ Arvid's X: https://x.com/ArVID220u Arvid's Website: https://arvid.xyz/ Michael's Website: https://mntruell.com/ Michael's LinkedIn: https://bit.ly/3zIDkPN Sualeh's X: https://x.com/sualehasif996 Sualeh's Website: https://sualehasif.me/ SPONSORS: To support this podcast, check out our sponsors & get discounts: Encord: AI tooling for annotation & data management. Go to https://encord.com/lex MasterClass: Online classes from world-class experts. Go to https://masterclass.com/lexpod Shopify: Sell stuff online. Go to https://shopify.com/lex NetSuite: Business management software. Go to http://netsuite.com/lex AG1: All-in-one daily nutrition drinks. Go to https://drinkag1.com/lex OUTLINE: (00:00) - Introduction (09:25) - Code editor basics (11:35) - GitHub Copilot (18:53) - Cursor (25:20) - Cursor Tab (31:35) - Code diff (39:46) - ML details (45:20) - GPT vs Claude (51:54) - Prompt engineering (59:20) - AI agents (1:13:18) - Running code in background (1:17:57) - Debugging (1:23:25) - Dangerous code (1:34:35) - Branching file systems (1:37:47) - Scaling challenges (1:51:58) - Context (1:57:05) - OpenAI o1 (2:08:27) - Synthetic data (2:12:14) - RLHF vs RLAIF (2:14:01) - Fields Medal for AI (2:16:43) - Scaling laws (2:25:32) - The future of programming 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

Ed Barnhart is an archaeologist and explorer specializing in ancient civilizations of the Americas. He is the Director of the Maya Exploration Center, host of the ArchaeoEd Podcast, and lecturer on the ancient history of North, Central, and South America. Ed is in part known for his groundbreaking work on ancient astronomy, mathematics, and calendar systems. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep446-sc See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. Transcript: https://lexfridman.com/ed-barnhart-transcript 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: Ed's YouTube: https://youtube.com/@archaeoedpodcast Ed's Website: https://archaeoed.com/ Maya Exploration Center: https://mayaexploration.org Ed's Lectures on The Great Courses: https://thegreatcoursesplus.com/edwin-barnhart Ed's Lectures on Audible: https://adbl.co/4dBavTZ 2025 Mayan Calendar: https://mayan-calendar.com/ SPONSORS: To support this podcast, check out our sponsors & get discounts: MasterClass: Online classes from world-class experts. Go to https://masterclass.com/lexpod Shopify: Sell stuff online. Go to https://shopify.com/lex NetSuite: Business management software. Go to http://netsuite.com/lex AG1: All-in-one daily nutrition drinks. Go to https://drinkag1.com/lex Notion: Note-taking and team collaboration. Go to https://notion.com/lex OUTLINE: (00:00) - Introduction (08:59) - Lost civilizations (16:04) - Hunter-gatherers (19:36) - First humans in the Americas (29:28) - South America (34:57) - Pyramids (42:01) - Religion (55:05) - Shamanism (57:02) - Ayahuasca (1:03:15) - Lost City of Z (1:08:09) - Graham Hancock (1:15:11) - Uncontacted tribes (1:21:12) - Maya civilization (1:37:00) - Mayan calendar (1:52:17) - Flood myths (2:20:46) - Aztecs (2:38:12) - Inca Empire (2:56:13) - Early humans in North America (3:02:10) - Columbus (3:06:46) - Vikings (3:10:55) - Aliens (3:15:23) - Earth in 10,000 years (3:31:33) - Hope for the future 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