If optimists see the world through rose-colored lenses, some birds see it through ultraviolet ones. Avians have evolved ultraviolet vision quite a few times in history, a new study finds. Birds depend ...

If optimists see the world through rose-colored lenses, some birds see it through ultraviolet ones. Avians have evolved ultraviolet vision quite a few times in history, a new study finds. Birds depend ...

Unlike us, many animals can see ultraviolet light. If you're using a video screen to study their visual perception, therefore, that screen really ought to work in the UV spectrum – and a new one does ...

Reindeer possess extraordinary vision, enabling them to navigate dark, snowy landscapes with ease. Their eyes adapt to changing light conditions, utilizing UV vision to spot predators and food, and a ...

First, some basics: Vision depends on light, which comes in a spectrum of wavelengths, ranging from very long to very short. Vertebrate eyes have two kinds of light receptors in the retina at the back ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

Nov. 11 (UPI) --It's easy to get lost in a coral reef. To locate friends and family, anemonefish evolved the ability to see ultraviolet light. To better understand how anemonefish navigate the bright, ...

First, some basics: Vision depends on light, which comes in a spectrum of wavelengths, ranging from very long to very short. Vertebrate eyes have two kinds of light receptors in the retina at the back ...