Color vision may actually work like a colorized version of a black-and-white movie, a new study suggests. Cone cells, which sense red, green or blue light, detect white more often than colors, ...

Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color vision needed to see them. The natural world is awash with color, and many ...

Bold hues of red, orange, yellow, blue and purple help plants and animals communicate with their own species and others in their efforts to survive. Vivid orange dart frogs warn predators of their ...

The light-sensitive elements, called photosites, create an electrical signal proportional to the amount of light striking that element. All photosites on the imager chip eventually get linked to ...

Color is the perception associated with the spectral composition of light. The question addressed here is what is the circuitry responsible for conscious color 'perception'. We are concerned with the ...