<http://schema.org/about>
"A foam that deactivates chemical and biological weapons has been found to be effective in cleaning up former methamphetamine labs, too."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/stories/anthrax-deactivating-foam-also-cleans-up-meth-labs>