<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/SearchAction>
<http://www.genengnews.com/Registration.aspx?ReturnURL=%2Fgen-podcasts%2Fhuman-antibodies-make-darwinian-leaps-to-attack-microbial-infections%2F253%2F>