<http://schema.org/about>
"Much has been made about the \u201Cimpending\u201D end of the world in 2012, but NASA assures us that this is much ado about nothing."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/photos/ways-the-world-could-end-nasa-edition/supervolcano-not-your-traditional>