LONDON (Reuters) - Australian scientists said on Tuesday they have discovered more remains of hobbit-sized humans which belong to a previously unknown species that lived at the end of the last Ice Age. Professor Mike Morwood, of the University of New England, in Armidale, Australia, stunned the science world last year when he and his team announced the discovery of 18,000-year-old remains of a new human species called Homo floresiensis. The partial skeleton discovered in a limestone cave on the remote Indonesian island of Flores in 2003 was of a tiny adult hominid, or early human, only one meter (3...