Bulls charge at movement, not red; they see mostly blue and yellow. Red capes in bullfighting hide blood stains better, making them traditional. Science shows bulls react the same to moving objects, ...

Scientists have claimed to have discovered a new colour that has never been seen before in a major breakthrough. Researchers at the University of California made the rare finding, which no human had ...

A series of seemingly normal photographs have gone viral over the internet, but is there more than meets the eye? Oyvind Kolas has produced a number of images in which he uses a "colour assimilation ...