Some of the expressions the researchers identified, from top left to bottom right: happy, sad, fearful, angry, surprised, disgusted, happily surprised, happily disgusted, sadly fearful, sadly angry.

We smile when we're happy. But how does a face strike the proper look to show, say, happy surprise? Or happy disgust, like when you're laughing at a really gross joke? A new report, published Monday ...

Well, Pharrell, turns out we can be more than just "Happy." A new study suggests humans have many facial expressions that can convey distinct emotions such as "happily surprised" or "fearfully angry." ...

The facial expression indicating disagreement is universal, researchers say. A furrowed brow, lifted chin and pressed-together lips -- a mix of anger, disgust and contempt -- are used to show negative ...

September 3, 2009 — Patients with disfiguring psoriasis appear to have altered brain responses to disgust, allowing them to cope with the social stigma of their illness by "screening out" others' ...

We smile when we're happy. But how does a face strike the proper look to show, say, happy surprise? Or happy disgust, like when you're laughing at a really gross joke? A new report, published Monday ...