Out Of Africa
Posted by DA Morgan on Jul 05, 2002 at 12:04
(156.74.250.7)t was not big brains alone that set the first humans migrating out of Africa to Eurasia, according to a surprisingly small fossil skull unearthed at a rich site in Dmanisi, Georgia. It had been suggested that early human migration began when an intellectual threshold - recorded as increased skull size - was crossed.
The skull is the third to be found at the 1.75 million year old site and is considerably smaller than the earlier skulls. It suggests that early Dmanisi humans did not differ so dramatically from their African contemporaries, meaning a single trigger for human migration is unlikely.
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