<http://schema.org/about>
"The feeling of disgust isn't particularly enjoyable, but new research suggests the \"ewww\" has its role: People who are disgusted are better at detecting impurit"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/stories/disgust-makes-dirt-more-visible>