<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cad34c2e709_-_breakthrough-09-makani-1011-smn.jpg>
<http://www.popularmechanics.com/science/health/a7173/lab-created-blood-vessels-ready-made-for-any-patient/>