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 ...

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.

Fake smiles do not necessarily indicate dishonesty. They also might be used in most instances as a coping mechanism. Since childhood, people are taught to smile at everyone across as pleasant in ...

You've probably heard the claim that it takes more muscles to frown than to smile. It's usually framed as a feel-good reason to turn your frown upside down—less effort, more joy. But anatomically, the ...

Discover how the Duchenne smile—characterized by crinkling eyes—differs from ordinary smiles, demonstrating a true expression of joy. Explore groundbreaking research on the psychology of smiling, and ...

I don’t like negotiating. I don’t like confrontation. I don’t like people watching me do something I’m not quite sure how to do. I wouldn’t say those situations stress me out… but they do raise my ...