New Theories of Everything

Will we ever discover a single scientific theory that tells us everything that has happened, and everything that will happen, on every level in the Universe? What might such a theory look like, and what would it mean? John D. Barrow presents and explains the latest theories, predictions and controversies surrounding the ultimate explanation, from superstrings and multiverses to speculations about the world as a computer, and the implications of these theories for own existence.