When human’s very ancient ancestors took their first steps out of Africa, some 3 million years ago, their brains looked more like those of great apes. A new study says our big brains developed only some 400,000 years later.
Using CT technology to scan what skull fossils remain from our earliest ancestors, researchers at the University of Zurich have turned conventional scientific thinking on its head, saying that our modern brains began to evolve in Africa only about 1.7 million years ago.
Prior to the Swiss research, conventional scientific thinking was that our hominid lineage arose some 2.8 million years ago, and our predecessors spread out of Africa around 2.1 million years ago.
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https://www.egypttales.com/2021/04/articles-modern-brains-evolved-17m.html
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