<http://schema.org/datePublished>
"2014-01-13T15:36:18-05:00"^^<http://schema.org/Date>
<http://www.upi.com/Science_News/Technology/2014/01/13/Scientists-use-light-bending-of-gemstones-for-better-solar-cells/UPI-73231389645378/?spt=mps&or=5>