<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb1142e11be_-_undersea-science-05-0513-de.jpg>
<http://www.popularmechanics.com/science/environment/g1170/the-audacious-science-happening-under-the-sea/>