Eyelashes should always be drawn after the eye. Draw the basic shape of the eye first. Add the upper and lower eyelids ...

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 ...

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 ...