A fortunate Universe

Over the last century, scientists have come to realise that if the universe had been born with even slightly different properties, life would be impossible, and the cosmos would be dead and sterile. So why does our universe appear to be just right for life? Join cosmologists Geraint Lewis and Luke Barnes in a rolling journey though modern science, from the incredibly small to the immensely large, and examine one of the biggest puzzles of them all: namely, why are we here? The answer will, undoubtedly, change our understanding of our place in the universe, or universes!