Butterfly wings are a bit of a mystery and “conventionally considered aerodynamically inefficient". Researchers have analysed air flow movements behind butterfly and mechanical wings ...

The bright iridescence from butterfly scales is a result of the combined effects of diffraction and interference of light that originate from hierarchical nanostructures within a particular scale ...

Butterflies and moths are masters of disguise, able to copy animal faces, rolled-up leaves and even snakes. Welcome to the kaleidoscopic world of the butterfly wing. How do butterflies and moths ...