<http://schema.org/about>
"Could wool be the new future for a more sustainable brick? It may very well be, as researchers from Spain's University of Seville and Glasgow's University of Strathclyde have found by creating a stronger, unfired"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/green-architecture/wool-seaweed-makes-sustainable-brick-stronger.html>