Do you have blue eyes? We talked to experts to discover curious facts about baby blues, including whether your biological family is bigger than you ever imagined.

They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than human eyes do. After the light passes through the pupil, it is focused by ...

Human eyes are actually spheres. The part that we can see is only just the front. That coloured circle is called the iris and the black spot in the middle is the pupil. This is the part of the eye ...

Why are black pupils disproportionately identified as having a particular range special needs? Many black pupils in England are having their education dumbed down after being wrongly identified as ...

Feast your eyes on the iris ... for portraits with dilated pupils only in species with bright irises.” Scientists used altered photos of non-human primates across several different species ...

When evolution skeptics want to attack Darwin's theory, they often point to the human eye ... the separate parts of the eye -- the lens, the retina, the pupil, and so forth -- since none of ...

By keeping the bulb in the center and orbiting the blue gel (for the iris) and the opaque disk (for the pupil) around the bulb, the eye can appear to gaze in different directions. By adjusting the ...