Insect eyes are generally sensitive to ultraviolet, blue and green light. With the exception of some butterflies, they cannot ...

Beetles that can see the color red? That s exactly what scientists discovered in two Mediterranean species that defy the norm ...

While it may look like a blazing red ruby, the 2.33-carat Winston Red Diamond is just that—a diamond. One of the rarest ...

Interestingly, it isn't that fire trucks are adhering to this color code only in certain countries—fire departments across the globe have almost all their fire trucks painted with the same red ...