<http://schema.org/url>
<http://phenomena.nationalgeographic.com/2013/06/10/today-on-npr-talk-of-the-nation-second-skeletons-and-rare-diseases/>
<http://phenomena.nationalgeographic.com/2013/06/10/today-on-npr-talk-of-the-nation-second-skeletons-and-rare-diseases/>