Meet "olo": a vivid, hyper-saturated blue-green that can't be captured by screens or paint.

I was first introduced to Brownian motion 50 years ago in medical school as I peered through a microscope and saw nonliving particles moving randomly on a microscope slide. This phenomenon was first ...

Scientists at UC Berkeley have developed a groundbreaking technique that allows humans to see a color they’ve never experienced before. This method — dubbed “Oz” — enables people to perceive a unique ...

Science and philosophy explain why a color is objectively real, even when people see the same shade differently.