Article: Road to greater intelligence in modern humans was a long and winding one.

Byline: ANI

Washington, Dec 8 (ANI): New dating of an important hominid site in Ethiopia has suggested that the road to advanced cognition in modern humans was a long and winding one, and they developed their greater intelligence gradually.

About 1.7 million years ago in Africa, Homo erectus, an ancestor of modern humans, started using large hand axes and cleavers.

This know-how spread to Asia and Europe and remained cutting-edge technology for well over a million years.

Eventually, however, it gave way to the Middle Stone Age, which featured smaller and more sophisticated blades and spearheads.

Many researchers have assumed ...

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