What does it mean for time to be real? Is time the ultimate stage on which all events play?
Your reality need not be constrained by your biology. Read the interview here.
Hear the actress Emily Blunt (Young Victoria, Devil Wears Prada) read "The Cast" from Sum. She is one of the dozens of terrific actors who read for the audio book.
David has won the Science Educator Award from the Society of Neuroscience.