Aubrey Lynch, an elder from the Wongatha Aboriginal language group, who participated in a study of a group of Aboriginal Australians which concluded that all humans from non-African populations are descended from a single wave of migrants who left Africa about 72,000 years ago. Photograph: Preben Hjort/Mayday Film/PA Wire

New DNA research from an international team of scientists shows the ancestors of Aboriginal Australians and Papua New Guineans diverged from Eurasian (...)