<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://www.popularmechanics.com/space/moon-mars/a8681/curiosity-digs-deep-grabs-first-sample-of-subsurface-mars-15124933/>