For centuries eyes have been considered “windows to the soul,” their expressions looked upon intuitively as clues to the emotional state of the beholder. New research by CU Boulder scientist Daniel ...

We use others' eyes - whether they're widened or narrowed - to infer emotional states, and the inferences we make align with the optical function of those expressions, according to new research ...

The human face is capable of being manipulated into so many different muscle combinations that the odds of correctly identifying one expression by chance are the same as winning the Powerball jackpot ...