<http://schema.org/headline>
"Scientists offer new method for prioritizing the conservation of endangered birds"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2014/04/11/Scientists-offer-new-method-for-prioritizing-the-conservation-of-endangered-birds/4031397228468/?st_rec=5151397405385>