What color is a polar bear under its fur? How do flamingos turn pink? What is a blue moon? Find the answers to all these fun questions and much more in this fact-filled adventure into the colorful world around us The science of colors is hard at work all the time--from ultraviolet light to the baby blue tint of the sky. Readers will learn tons of interesting scientific facts about color and its whys and hows--like why blood is red,...