<http://schema.org/alternativeHeadline>
"NASA is reassuring the public that the world will not end in 2012, despite theories based on the Mayan calendar and the new fiction disaster film, &lt;i&gt;2012&lt;/i&gt;."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/videos/nasa-says-the-world-will-not-end-in-2012>