Feel free to remove this, mods, if it’s too tangential to modern science, but I thought the community might find this early nature vs. nurture hypothesis amusing
Feel free to remove this, mods, if it’s too tangential to modern science, but I thought the community might find this early nature vs. nurture hypothesis amusing
They ended up developing a rudimentary sign language based on facial expressions and gestures. Because the women who were taking care of them were strictly instructed to never speak… But they were never given any instructions regarding facial expressions or gestures. So the kids learned that expressions and gestures are how to communicate.