<http://schema.org/description>
"Deaf children are able to develop a language-like gesture system by making up hand signs and using homemade systems to increase their communication as they grow, just as children with conventional spoken language, research at the University of Chicago shows."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2009-02-deaf-children.html>