Fake smiles do not necessarily indicate dishonesty. They also might be used in most instances as a coping mechanism. Since ...

Smiles are strange things. People use them when they are happy, yes, but also when they are uncomfortable, bored, anxious, or trying to be polite. Sometimes a smile has nothing to do with joy at all.

Everybody everywhere smiles. Across all cultures, people smile. In fact, smiling may be an evolutionary throwback to the silent bared-teeth display of nonhuman primates. Although babies start smiling ...

In the mid 1800s, a French neurologist by the name of Duchenne de Boulogne began conducting pioneering electrophysiology research, hoping to understand more about the brain and nervous system. He ...

Michelle Spear does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...