<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54feb4ac67a7c-0911-chromosomes-md.jpg>
<http://www.goodhousekeeping.com/health/advice/a19182/how-to-live-forever/?src=shelter_footer>