Francis Ferrari, a French ophthalmologist, invented a controversial procedure that can change eye color. People from around ...

Whether bright red, jet black or a shade in between, natural hair color is determined by how much melanin is in your hair. This pigment, which is also found in skin and eyes, has two types: “Eumelanin ...

Janelle Sventek, O.D., an expert at the University of Alabama at Birmingham, provides insight into the science behind eye color and how families can protect their child’s vision from an early age.

A new study presents an artificial intelligence system that scans images of the retina to detect signs of diabetes, high ...

A peacock feather in sunlight shifts from blue to green to bronze as you turn it. Photograph it, and this shimmer collapses into one angle, one exposure, one compromise. Whatever the screen offers ...

His instinct was to be skeptical. He was nearly certain the video was another fake. He chewed on his pencil and watched it again, slowing down the video, breaking it apart frame by frame. The camera ...

Test time has arrived: the first person has been treated in a highly anticipated gene-therapy trial that aims to coax aged cells to take on a younger identity. The clinical trial is testing an ...

SINGAPORE – Imagine having a piece of sandpaper running over your eyes every time you blink – and the average person blinks around 20 times a minute. That was the reality for Singaporean housewife ...

Researchers have finally resolved a key problem in a 100-year-old theory of color, showing that the qualities we perceive in colors are intrinsic to the mathematics of color space itself. The ...

Summer’s biggest color trends are here to breathe new life into your wardrobe—and not a moment too soon. While the colder months were defined by dark, moody shades, this season’s trends are much ...