<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/a9845/curiosity-finds-an-ancient-martian-lake-that-could-have-supported-life-16248264/>