This week's episode was recorded live from the Audible Los Angeles Podcast Festival, with Andy Wood (@andytwood) and Matt Kirshen (@mattkirshen) welcoming original third host Brooks Wheelan (@brookswheelan), along with comedy legend Patton Oswalt (@pattonoswalt) and Caltech theoretical physicist/cosmologist Dr. Sean Carroll (@seanmcarroll). To support Probably Science and LA PodFest while getting a free 30-day trial and a free audiobook download, visit audible.com/lapodfest.