<http://schema.org/about>
"Five mysteries of the universe, baby chimps outwit baby humans on IQ test, how to save the suburbs, Panasonic develops smart light bulb, and China outpaces Amer"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/home-blog/green-news-roundup/blogs/the-noon-digg-wed-2>