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 ...

Study finds psoriasis patients may stop recognizing repulsive looks. Aug. 26, 2009— -- The brains of patients with the skin condition psoriasis are less responsive to expressions of disgust on ...

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 ...