In October 2004, a team of Australian and Indonesian anthropologists led by Mike Morwood and Raden Pandji Soejono stunned the world with their announcement of the discovery of the first example of a new species of human, Homo floresiensis, which they nicknamed the "Hobbit." This was no creation of Tolkien's fantasy, however, but a tool-using, fire-making, cooperatively hunting person. The more Morwood and his colleagues revealed about the find,...