From Cleo Abram.
This chart shows human brains size over time. They got way bigger, fast. But now they’re shrinking? (No, it’s not the phones!)
About 2 million years ago something changed and it altered the course of human evolution. Our brains just started RAPIDLY growing, the organ nearly doubled in size in just a few hundred thousand years. This turning point is what allowed us to evolve into the intelligent species we are today.
But now…
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#evolution #human origins #science
