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 Were ancient human migrations two-way streets? 
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Post Were ancient human migrations two-way streets?
WASHINGTON (AP) — The worldwide spread of ancient humans has long been depicted as flowing out of Africa, but tantalizing new evidence suggests it may have been a two-way street. :shock:

A long-studied archaeological site in a mountainous region between Europe and Asia was occupied by early humans as long as 1.85 million years ago, much earlier than the previous estimate of 1.7 million years ago, researchers report in Tuesday's edition of Proceedings of the National Academy of Sciences.

Early human Homo erectus is known to have occupied the site at Dmanisi later. Discovering stone tools and materials from a much earlier date raises the possibility that Homo erectus evolved in Eurasia and might have migrated back to Africa, the researchers said — though much study is needed to confirm that idea. :huh

"The accumulating evidence from Eurasia is demonstrating increasingly old and primitive populations," said Reid Ferring of the University of North Texas. Dmanisi is located in the Republic of Georgia.

"The recently discovered data show that Dmanisi was occupied at the same time as, if not before, the first appearance of Homo erectus in east Africa," the team led by Ferring and David Lordkipanidze of the Georgia National Museum reported. They uncovered more than 100 stone artifacts in deep layers at the site. Previously, fossil bones from a later period had been found at the site. :hmm

Read more here: http://tinyurl.com/65rqrob

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Thu Jun 09, 2011 11:20 am
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