Facial expression control starts in a very old part of the nervous system. In the brain stem sits the facial nucleus, which ...

When a baby smiles at you, it's almost impossible not to smile back. This spontaneous reaction to a facial expression is part ...

Facial mimicry refers to automatic copying of another person’s facial expressions. When one person smiles, a listener may ...

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 ...

Whenever I give a presentation on the impact of body language in the workplace, I always include a section on the power of a smile. That’s because research shows that a smiling expression sends ...

For humans, flashing a smile is an easy way to avoid misunderstanding. And, according to a new study, bottlenose dolphins may use a similar tactic while playing with each other. The study, which was ...