<http://schema.org/about>
"Science is a broad category that covers a lot of very important green initiatives and issues. Who's the best nature photographer? What's the best conservation project? Which climate activism initiative had the most impact? Vote for your favorites here."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/slideshows/natural-sciences/best-of-green-readers-choice-science/page/5/>