Delve into the fascinating world of black holes in this 32-minute video from the World Science Festival's Big Ideas Series. Explore the concept of entropy, the puzzling nature of black hole entropy, and the challenges to Hawking's theories. Learn how string theory provides a new perspective on black hole description and grapple with the enigma of Hawking radiation. Join renowned physicist Cumrun Vafa, moderated by Brian Greene, as they use mathematical insights to peer into the heart of black holes, where general relativity and quantum mechanics collide. Gain a deeper understanding of these cosmic enigmas and their potential role in a unified theory of everything.