A smile can get you a long way with people – and animals, it turns out. Horses can distinguish between happy and angry facial expressions on humans, a new study has shown for the first time. The 28 ...
Skip the poker face. If you're hoping to get a good deal on a car, or get people to do what you want, you should put on your best angry expression, a new study suggests. "If you come in with a scowl ...
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