“Along with modern humans, scientists knew about the Neanderthals and a dwarf human species found on the Indonesian island of Flores nicknamed The Hobbit. To this list, experts must now add the Denisovans.” Researchers discover evidence of a fourth separate species of ancient man in the caves of Siberia. “The implications of the finding have been described by Professor Chris Stringer of the Natural History Museum in London as ‘nothing short of sensational… [W]e didn’t know how ancient people in China related to these other humans.‘”