<http://schema.org/about>
"Famed astrophysicist peppers Twitter with a string of fact-checks of director Alfonso Cuar\u00F3n\u2019s new film."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/arts-culture/blogs/neil-degrasse-tyson-dissects-the-science-of-gravity>