"Structural Paints" Could Create Brilliant Colors That Never Fade

Have you ever taken a moment to admire the brilliant blue of a bluebird's feathers or the vibrant green of a beetle's wings and wondered why you can't buy that color in a paint can? Nature has long since perfected a kind of coloration that we humans still struggle with--but it may just be a matter of time before it decorates your living room. The over-the-top colors often found in nature commonly arise from what's known as structural color, which relies on microscopic structures rather than mole...