Comparisons of human eyes to those of other primates ... being watched — even if the watchful eyes were just drawings resembling eyes on a computer screen. Tomasello and his team note in their ...

A close-up photograph of what appears to be a light-brown human eyeball shows the organ's expansive, cavernous depths surrounding a seemingly bottomless, black pit that, together, mimics the ...

The Italian Renaissance artist learned anatomy as a way to improve his drawings of the human form, but he also brought a scientist's eye to the discipline. "He wanted to understand how it worked ...

He also owns a lot of ugly Christmas sweaters. The human eye is so hugely complex Charles Darwin, father of evolution, once remarked it was "absurd in the highest degree" that it could arise ...