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, ...

For Americans navigating everything from casual conversations to crucial business dealings, understanding the nuances of a genuine smile can offer deeper insights into true intentions. The science ...

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 ...

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.