Honeybees, Maine, 2007 Photograph by Peter Essick Swarming honeybees, like these on Maine's Appledore Island, frequently differ about where to establish a new nest. But the group usually chooses the best site. Bees reach this decision by gathering information, conducting independent evaluations, and holding a kind of vote. Scientists are studying such swarm intelligence—note the yellow and blue identifier dots on the bees in this photo—for clues about how humans might manage complex systems...