The skull of Homo floresiensis, a newly discovered, "hobbit-size" species of human, next to a modern human skull (right). Fully adult, H. floresiensis was barely three-feet-tall and had a skull the size of a grapefruit.
News broke last October that archeologist had discovered a hobbit-like creature on an Indonesian island. Now neurologists have examined the creature's brain and believe it to be a lost relative of modern humans, just a bit smaller. But the debate is far from over.