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"From the Mayan calendar to the zombie apocalpyse, the new year begins with many portents of doom. But what if the gloom is mostly in our heads? What change migh"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/blogs/could-2012-be-the-first-year-of-a-brighter-future>