A growing number of scientists are challenging the sensational discovery last year of a new species of one-metre-tall intelligent humans whose 13,000-year-old bones were said to have been found in an Indonesian cave. According to some leading anthropologists in Australia, Indonesia and elsewhere, Homo floresiensis is not "one of the most important discoveries of the last 150 years" as was widely reported last October, but a pygmy version of modern Homo sapiens with a not uncommon brain disease. Now a leading critic of the Homo floresiensis theory is to send researchers to a village near the cave where the bones...