Professor Richard Roberts points to an artist impression of a hobbit-like dwarf, the astonishing discovery that could rewrite the history of human evolution, in Sydney, Australia, Oct. 28, 2004. A 3-foot-tall adult female skeleton found in a cave on a remote Indonesian island is believed 18,000 years old and smashes the long-cherished scientific belief that our species, Homo sapiens, systematically crowded out other upright-walking human cousins beginning 160,000 years ago.(AP Photo/Rob Griffith)Wow! Using powerful scanning devices look at what the artist was able to illustrate! Look how wise and thoughtful the little fella appears! Wow, wow, and triple wow: impressive...