Color my world: Cats and dogs may see in ultraviolet

(Photo: Tim MacPherson / Newscom, file)

A housecat’s bizarre antics may be more than just feline folly. The kitty may see things you can’t. Unlike humans, many animals see in ultraviolet, and a study now suggests that cats, dogs and other mammals can, too. Knowing they see things invisible to us could explain a few things.

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