<http://schema.org/description>
"I&amp;#039;ve heard of bank robbers being foiled by a &amp;quot;dye pack&amp;quot; put in their money stash. What is a &amp;quot;dye pack&amp;quot;?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/question671.htm>