Dry eye disease affects millions of people, causing burning, redness, and constant eye fatigue that can worsen over time. Scientists now believe the problem may begin deep inside tear glands, where a ...

The ability to regenerate lost body parts has long captured human fascination. Many creatures out in nature can perform feats of repair that far surpass our own abilities. For example, salamanders can ...

This snail could one day save eyes. The golden apple snail has camera-type eyes that are fundamentally similar to the human eye. Unlike humans, the snail can regenerate a missing or damaged eye. UC ...

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 ...