Up close: The beauty of butterfly wings

Little-known fact: the irridescent colours of butterfly wings are produced not by pigments, but by nanometric structures on the scales’ surface that reflect different colours of light, much like the microscopic pits on a CD.

God, I love nature.

Source Article from http://www.dpreview.com/news/2014/04/03/up-close-the-beauty-of-butterfly-wings