<http://schema.org/about>
"The iridescence of butterfly wings have been the source of inspiration for more energy efficient yet vivid displays, but their shine is proving useful for brightening up not just our gadgets, but the money we buy them"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/butterfly-biomimicry-can-curb-counterfeiting-of-banknotes.html>