Olo is the name of a color that, so far, has only been seen by a handful of scientists. The UC Berkeley researchers fired laser pulses into their eyes to energize specific retinal cells. The technique ...

Anemia, a condition marked by low levels of hemoglobin in the blood, affects nearly 2 billion people worldwide.

A group of American scientists has claimed to have discovered a new, never-before-seen color after an experiment saw them ...

You’ve probably seen every color in the rainbow—until now. Scientists say they’ve unlocked a hue the human eye was never ...