Sub_Umbra
Flashlight Enthusiast
Discovery News said:Nov. 18, 2005— African swallowtail butterflies have been found using what was thought to be exclusively human advanced technology: high-efficiency photonic crystals like those of light-emitting diodes, or LEDs...
The rest of the article may be found at the URL below.
http://dsc.discovery.com/news/briefs/20051114/butterfly_ani.html