The human eye can see millions of colors — but no eyes have ever before beheld “olo.” Only five people on the planet have witnessed this brand new color, thanks to the efforts of a team of researchers ...

In May of 2023, there was a massive advance in the world of organ transplantation: the first whole human eye and partial face transplant. The man at the center of this procedure is 46-year-old Aaron ...

In blinding bright light or pitch-black dark, our eyes can adjust to extreme lighting conditions within a few minutes. The human vision system, including the eyes, neurons, and brain, can also learn ...

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 ...

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 ...

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 Davis biologist Alice Accorsi is ...

The process of apple snail eye regeneration from amputation to full restoration occurs in four stages over 28 days: wound healing, formation of a special cell mass, emergence of a lens and retina, and ...