<http://schema.org/topics>
"3D printers,3D printing,animals,Apps and Software,Dev &amp; Design,features,Mashable Must Reads,Smithsonian,Smithsonian Museum,Tech,Uncategorized,World"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2014/03/09/3d-printing-whale-graveyard/>