Biologist, UCLA Medical School; author of The Third Chimpanzee; Guns, Germs, And Steel
"What do collapses of past societies teach us about our own future?"
To arrive at the edge of the world's knowledge, seek out the most complex and sophisticated minds, put them in a room together, and have them ask each other the questions they are asking themselves.
"What do collapses of past societies teach us about our own future?"