Hawking's 'Grand Design' Probes Existence's Deepest Questions

Stephen Hawking opens one of his most ambitious works of popular science with a striking reflection: "Each of us exists for a very brief time, and in that interval we only explore a tiny part of the whole universe. The book, "The Grand Design, was co-written with physicist and science communicator Leonard Mlodinow, and aims to answer the deepest questions about existence, reality, and the origin of the universe.