Quantum physics, the nature of space-time, black holes, multiverses, how the Universe began and how it will end… Contemplating the fundamental nature of the Universe can make your head spin. But this new BBC Focus Special Edition makes wrapping your head around these concepts a litle easier with simple explanations provided by experts. IN THIS ISSUE… Discover what came before the Big Bang The hunt for the missing half of our Universe Get to grips with gravitational waves The anarchy of the subatomic world