In their new book, "The Grand Design," physicists Stephen Hawking and Len Mlodinow tackle the ultimate meaning of life questions: why does the universe behaves the way it does and why do we exist? One theory the two have ruled on is that God had nothing to do with it.
Read an excerpt of the book below and head to the "GMA" Library to find more good reads.
From Chapter 1: The Mystery of Being
Until the advent of modern physics it was generally thought that all knowledge of the world could be...Full Story