Do rats feel joy? It can be hard to tell, since they can’t exactly greet us with a grin. But now, for the first time, scientists have spotted the rat equivalent of a smile—and it’s all in the ears.

“While this study doesn’t have direct clinical impact, it supports previous observations that psychostimulants affect brain function in children with ADHD not only when they’re faced with cognitive ...

A large study published in Developmental Cognitive Neuroscience has found that children who were tested during the COVID-19 pandemic showed measurable differences in how their brains processed faces, ...

This article originally appeared on Health. If toothpaste and lipstick commercials are to be believed, a big grin can make you look more attractive, more approachable, and years younger. While the ...

Word to the wise: Don't play poker with your dog. He can read your face like a book. A new study shows that man's best friend is remarkably good at discerning happy expressions from angry ones — even ...