Lisa Randall is a theoretical physicist at Harvard. Please support this podcast by checking out our sponsors: - Babbel: https://babbel.com/lexpod and use code Lexpod to get 55% off - Notion: https://notion.com - SimpliSafe: https://simplisafe.com/lex to get free security camera plus 20% off - LMNT: https://drinkLMNT.com/lex to get free sample pack - InsideTracker: https://insidetracker.com/lex to get 20% off TRANSCRIPT: https://lexfridman.com/lisa-randall-transcript EPISODE LINKS: Lisa's Twitter: https://twitter.com/lirarandall Lisa's Instagram: https://instagram.com/proflisarandall Lisa's Website: https://www.physics.harvard.edu/people/facpages/randall Books: Dark Matter and the Dinosaurs: https://amzn.to/417cKZJ Knocking on Heaven's Door: https://amzn.to/3R4LjLC Warped Passages: https://amzn.to/49Xcr85 Higgs Discovery: https://amzn.to/4a6sfWe 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 0:24 - Dark matter 19:16 - Extinction events 30:16 - Particle physics 45:30 - Physics vs mathematics 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