This podcast episode introduces the Tunguska event, a mysterious explosion that occurred in Siberia in 1908. The event is believed to have been caused by an asteroid or comet, but no evidence has ever been found. Scientists are still debating what caused the event. Other topics covered in this episode include the potential impact of black holes on Earth and the universe, the concept of primordial black holes, the mystery of what happens to matter after it falls into a black hole, and the power of memory and the enduring strength of friendships.
