Ever wonder why raspberry-flavored candy is almost always bright blue? It's a strange choice, isn't it? Real raspberries are red, pink, or maybe purple at best. Yet somehow, we've all accepted this ...

Bold hues of red, orange, yellow, blue and purple help plants and animals communicate with their own species and others in their efforts to survive. Vivid orange dart frogs warn predators of their ...

Explore how the vulturine guinea fowl’s striking blue and white feathers serve more than beauty. From structural coloration ...