It’s not too hot, it’s not too cold and it’s forces act together in a way that’s just right: why does the universe seem so perfectly tailor-made for life to exist?
Paul Davies, the one of the world’s most acclaimed science writers, shows how everything from the humble carbon atom to the speed of light and the laws of physics themselves interact. He asks: Is a theory of everything within our grasp? If there was a big bang, what happened before it? Is there just one universe or many? Could we exist in an endless time loop?
