Any animal’s eye color is determined by its levels of two melanin pigments: eumelanin, which makes brown-black, and ...

Eye contact helps build trust and communication whether in business, friendships or romantic pursuits. Its importance in human socialization means that we're more likely to take note of eye color and ...

But it’s not quite that simple. See, we like to think there’s a rainbow of eye color options out there—violet, blue, gray, hazel, green, brown, near-black—but scientists believe that they ...

In humans, phenotypically, eye color falls into one of these basic categories -brown, blue or green ... eyes (Native Americans and Asians), hazel, gray, green and violet eyes ( Europeans and ...

We all know protecting our eyes and skin from the sun's UV ... cycling and beach outings, or driving. Gray sunglasses provide a neutral color perception and reduce overall brightness without ...

Breeding male: blue-gray above, including most of head and back. Crown has a black line at the forecrown that extends along the sides of crown; white eye ring contrasts with gray face. Wings ...