<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x500/54cae277a94cf_-_sensorfish-02-0212-de.jpg>
<http://www.popularmechanics.com/science/energy/a7459/the-robot-fish-that-led-to-better-dam-designs/?src=rss>