Scientists at UC Berkeley have developed a groundbreaking technology called Oz that uses laser light to make people see a completely new color — a dazzling, ultra-saturated blue-green they named olo.

Color is more than a sensory pleasure; it is a tool refined by evolution. Our ability to perceive a broad spectrum of hues is a remarkable biological achievement shaped by survival pressures, social ...

In order to see the red of a sunset or the green of spring leaves, developing human eyes need to get the right hormone at the right time. That's the finding of a team of scientists who studied how ...