73 - Life Beyond Earth (Ft. Avi Loeb and Garrett Graff at the Chicago Humanities Festival)

Dan moderates a lively discussion on extraterrestrial life at the Chicago Humanities Festival. Our new merch is available here: https://www.shalmawegsman.com/why-this-universe For ask-us-anything segments and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseSupport the show