DNA from a large sampling of living southeast Asians suggests that the ghostly Denisovans may be not one, but three distinct kinds of human, one of which is almost as different from other Denisovans as they are from Neanderthals. Sharon Browning of the University of Washington expresses both excitement and caution about the results and what they might mean. “It’s just one little piece of the story,” she says of the new work. “But every little piece we find helps us really fill it out.”