B.B.C. Article
Hints of an early exodus of modern humans from Africa may have been detected in living humans.
Present-day people outside Africa were thought to descend from a group that left their homeland 60,000 years ago.
Now, analysis of nearly 500 human genomes appears to have turned up the weak signal of an earlier migration.
But the results suggest this early wave of Homo sapiens all but vanished, so it does not drastically alter prevailing theories of our origins.
Writing in the academic journal Nature, Luca Pagani, Mait Metspalu and colleagues describe hints of this pioneer group in their analysis of DNA in people from the Oceanian nation of Papua New Guinea.

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