What happens when there is no leader? Starlings, bees, and ants manage just fine. In fact, they form staggeringly complicated societies, all without a Toscanini to conduct them into harmony.
We gaze down at the bottom-up logic of cities, Google, even our very own brains.
Featured: author Steven Johnson, fire-flyologists John and Elizabeth Buck, biologist E.O. Wilson, Ant expert Debra Gordon, mathematician Steve Strogatz, economist James Surowiecki, and neurologists Oliver Sacks and Christof Koch.