<http://schema.org/dateModified>
"2012-07-21T23:36:58-04:00"^^<http://schema.org/Date>
<http://www.upi.com/Health_News/2012/07/21/Sugary-drinks-can-change-muscles-in-a-month/UPI-58301342928218/?spt=mps&or=4>