Color blindness — Color blindness, or color vision deficiency, in humans is the inability to perceive differences between some or all colors that other people can distinguish. Hypoallergenic dog breeds — Hypoallergenic dog breeds are those touted as being hypoallergenic; that is, provoking fewer allergic reactions in allergy sufferers. Color vision — Color vision is the capacity of an organism or machine to distinguish objects based on the wavelength (or frequency) of the light they reflect or emit. Palomino horse — Palomino is a coat color in horses, consisting of a gold coat and white or flaxen mane and tail. Red giant — A red giant is a large non-main sequence star of stellar classification K or M; so-named because of the reddish appearance of the cooler giant stars. read more

Tags: study, blue, hypoallergenic dogs, chinese, people,