Sabine Hossenfelder is a theoretical physicist and science communicator on YouTube who has written numerous papers on everything from quantum gravity to particle physics, cosmology, astrophysics, statistical mechanics, and quantum foundations. Her newest book, Existential Physics: A Scientists Guide To Life's Biggest Questions is available to purchase at https://www.amazon.com/Existential-Physics-Scientists-Biggest-Questions/dp/1984879456.Her YouTube channel is https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4twSupport the podcast and get four months free on a VPN if you go to www.nordvpn.com/cwjSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.