A Universe from Nothing: Why There Is Something Rather than Nothing

by Lawrence Krauss

The Initial Mystery that attends any journey is: how did the traveler reach his starting point in the first place? —LOUISE BOGAN, Journey Around My Room

One of the most poetic facts I know about the universe is that essentially every atom in your body was once inside a star that exploded. Moreover, the atoms in your left hand probably came from a different star than did those in your right. We are all, literally, star children, and our bodies made of stardust.