Explore the fascinating topic of the universe's end in this 57-minute webcast featuring theoretical cosmologist and science communicator Katie Mack. Delve into concepts such as vacuum decay, the Big Crunch, and inflation as Mack answers questions about her favorite subject. Learn about the science behind various cosmic scenarios, the role of gravity and relativity in the universe's fate, and gain insights from Mack's experience writing about these complex topics. Discover why there's no need to worry about immediate cosmic doom and how scientists build trust in their work. Engage with a mix of in-depth discussions and fast-fire questions that cover a wide range of cosmological concepts, making this talk an enlightening experience for anyone curious about the ultimate destiny of our universe.