http://www.bbc.co.uk/news/science-environment-16339313
Quote:Hobbits on Flores, Denisovans in Siberia, Neanderthals across Eurasia and our very own ancestors.
Given this array of human diversity in the Late Pleistocene, we might well be forgiven for thinking that Ernst Mayr's contention that "in spite of much geographical variation, never more than one species of man existed on Earth at any one time" had finally been put to bed.