<http://schema.org/about>
"Finding even a small chunk of ambergris, an intestinal excretion from sperm whales, could potentially net you thousands of dollars."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/how-finding-sperm-whale-poop-can-help-you-retire>