Betül Kaçar is an astrobiologist at University of Wisconsin. Please support this podcast by checking out our sponsors: - House of Macadamias: https://houseofmacadamias.com/lex and use code LEX to get 20% off your first order - Mizzen+Main: https://mizzenandmain.com and use code LEX to get $35 off - Eight Sleep: https://www.eightsleep.com/lex to get special savings - ExpressVPN: https://expressvpn.com/lexpod to get 3 months free - GiveDirectly: https://givedirectly.org/lex to get gift matched up to $1000 - Blinkist: https://blinkist.com/lex to get 25% off premium EPISODE LINKS: Betül's Twitter: https://twitter.com/betulland Betül's Instagram: https://instagram.com/betul.kacar.astro/ Kacar Lab: https://kacarlab.org/ Betül's TED Talk: https://go.ted.com/betulkacar 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 OUTLINE: 0:00 - Introduction 0:56 - History of life on Earth 9:00 - Origin of life 31:47 - Genetic language of life 44:43 - Life and energy 55:26 - Ancient DNA 1:14:24 - Evolution 1:25:55 - Alien life 1:53:55 - Panspermia 2:00:17 - Restarting life on Earth 2:12:58 - Where ideas come from 2:20:30 - Science and language 2:29:07 - Love 2:30:30 - Advice to young people 2:35:04 - Meaning of life 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