How an 1800s French doctor's experiments with electrocuted faces revealed science of real smiles
The face-shocking pioneer who founded neurology
Back in ye olden tymes of the 1800s, a French physician named Guillaume Duchenne de Boulogne was shocking people's faces with electric probes to figure out how emotions work. His main test subject was some random old toothless dude whose face was conveniently numb to pain. Perfect for zapping!
Duchenne would jolt different facial muscles an…
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