How do butterflies get their designs?

There are thousands of species of butterflies, all with unique patterns of color on their wings. How did those designs get there? We asked butterfly collection curator Blanca Huertas to help us find the answer. Got a question that’s cocooned in your brain? Send it to us at BrainsOn.org/contact, and we’ll send an answer winging your way! See omnystudio.com/listener for privacy information.