Master the complete process of drawing the human head, from sketching the basic structure to adding final details. This tutorial covers proportions, anatomy, facial features, shading, and more, ...

A widely popular idea in psychology and evolutionary science suggests that the distinctive look of the human eye—particularly the white area surrounding the iris—evolved to help us communicate ...

A new prototype webcam looks like a realistic human eye, complete with its own eyebrow – and it blinks, too. If that's not enough, it's also capable of looking around and acting out on its own accord.

IN this small work the author tells us that he has incorporated the substance of a lecture on the subject, together with additions in various directions. He discusses, in a popular manner, the eye in ...