Smiles are often classified as "real," which are automatic and elicited by positive emotions, and "fake," which are formed purposefully, usually as a polite gesture. Though these types of smiles are ...

Smiles are one of the most universal forms of communication, and yet, they are far more complex than they appear. While a smile often signals happiness or friendliness, different types of smiles can ...

A smile means that someone is happy—or maybe not. Although we associate smiling with happiness, people can use a smile to convey a whole range of different messages. Research in nonverbal ...