In this episode of StarTalk's Cosmic Queries Edition, theoretical physicist Sabina Hossenfelder joins co-host Paul Mercurio and host Neil deGrasse Tyson to discuss various physics-related topics. They cover topics such as the Cosmic Microwave Background, the collapse of the wave function in quantum mechanics, black holes and time travel, Loop quantum gravity theory, and modified gravity. The hosts also answer questions from listeners about vacuum decay, the possibility of infinite planets in the universe, and the Big Bang theory. The conversation is light-hearted and informative, with a focus on deep topics of interest to their fan base. Overall, the podcast provides an informative and entertaining discussion about various physics-related topics.