Many people with congenital deficiency who wish to become pilots, air traffic controllers, train drivers or electricians may be able to work safely in such professions due to a test developed by ...

In many cases it is the colour of the prey that helps predatory birds to detect, pursue and capture them. In a new study, biologists at Lund University in Sweden show that the Harris's hawk has the ...

Have you ever heard the terms “color weakness,” “color blindness,” or “color vision deficiency”? I have always felt ...

Animals are living color. Wasps buzz with painted warnings. Birds shimmer their iridescent desires. Fish hide from predators with body colors that dapple like light across a rippling pond. And all ...

Understanding Color Vision Deficiency correctly ―It is not that "colors cannot be seen," but that "the way colors are ...

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, ...

A new experiment into color vision has allowed a select group of human subjects to see a new color. Subjects describe the “unprecedented” color as a very saturated teal. Researchers are looking into ...

Researchers at the Hebrew University of Jerusalem, Israel, have attempted to restore color vision to completely color-blind subjects using gene therapy. In their paper, "Seeing color following gene ...

Colors are widely used in communication within and among animal species. For example, peacocks proudly display their vibrant tails, adorned with iridescent eyespots, to attract peahens for courtship.

Colour vision may have evolved in primates to help them pick up on changes in blood and oxygen concentrations beneath the skin’s surface, giving access to emotional cues, a new analysis proposes.

In many cases it is the color of the prey that helps predatory birds to detect, pursue and capture them. In a new study, biologists show that the Harris's hawk has the best color vision of all animals ...