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Earliest Homo Populations in Africa Had Primitive Ape-Like Brains – Just Half the Size of Today’s Humans – SciTechDaily

The human brain as we know it today is relatively young. It evolved about 1.7 million years ago when the culture of stone tools in Africa became increasingly complex….

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Skulls of early Homo from Georgia with an ape-like brain (left) and from Indonesia with a human-like brain (right). Credit: M. Ponce de León and Ch. Zollikofer, UZH
The human brain as we know it today is relatively young. It evolved about 1.7 million years ago when the culture of stone tools in Africa became increasingly complex. A short time later, the new Homo populations spread to Southeast Asia, researchers from the University of Zurich have now shown using computed tomography analyses of fossilized…

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