<http://schema.org/about>
"Despite the hoopla surrounding the date Dec. 21, 2012, the world is not at risk of coming to a halt, NASA says."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/politics/stories/2012-doomsday-myths-nothing-to-worry-about-says-nasa>