Scientists are studying the way we show complex emotions. It turns out we're better at it than was previously thought, mixing and matching basic... We smile when we're happy. But how does a face ...

Micro-expressions that last less than a fraction of a second expose a person's true emotions and intent towards you.

Make us a Preferred Source on Google to see more of us when you search. They can all provoke the facial expression you may be making right now -- raised upper lip, wrinkled nose -- according to a ...