blue, n.Trivia

The blueberry is one of the only natural foods that is truly blue in color

Mars' sunsets are bluish, not redish

Blue is the world's most popular color

Ripening bananas glow an intense blue under black light.

Samurai wore clothes dyed with indigo because it makes them antibacterial, flame resistant up to 1500 degrees Fahrenheit, and repels odor and dirt.

The owl is the only bird that can see the color blue

Lobsters are not always red. About 1 in 5,000 North Atlantic Lobsters is born bright blue.

Veins are not in fact blue. They only look blue because subcutaneous fat only allows blue light to penetrate skin

Lobsters have curious blood. It is normally transparent, but then turns blue when exposed to oxygen.