<http://schema.org/about>
"When certain species of deep-sea worms want to go for a trip, they dump ballast sand and sediment from their guts and catch a ride on an ocean current."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/scientists-discover-new-species-of-acorn-worms-in-the-ocean>