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Politics : The Trump Presidency -- Ignore unavailable to you. Want to Upgrade?

To: J_F_Shepard who wrote (71472)	5/14/2018 4:38:24 PM
From: combjelly	Read Replies (2) \| Respond to of 365103

Depends on how far back you want to go. Homo erectus had pretty much a global reach. Maybe even to the Americas. It looks like australopithecines developed technologies to process food, probably mechanically but maybe even by cooking. Regardless, that meant our ancestors were able to get more nutrition out of what they ate and that enabled them to evolve more brains. That eventually led to homo erectus and then homo sapiens and at least 3 near cousins, probably more, scattered across Africa, Europe, Asia and maybe Australia. The Ice Age would have meant many of them had to find new ways to make a living, and that meant that investment in brains paid off. When the glaciers started to recede, the various populations started to move around, attended mixers and got to know, in a Biblical sense, all of the neighbors. Where homo sapiens popped up first, we really don't know. It seems like Africa is the most likely. But that doesn't explain certain things. There is some evidence that it could have been Australia. Maybe somewhere in Asia. Beringia, maybe? The fact of the matter is there are a lot of unanswered questions.