<http://schema.org/about>
"Environmental studies on the rise, Coen brothers take on clean coal, map mashup simulates nuclear blasts, lightning caught on slo-mo video, and the sun sets on"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/home-blog/green-news-roundup/blogs/the-noon-digg-thurs-6>