<http://schema.org/about>
"It is estimated that up to 100 million sharks are killed by people every year, due to commercial and recreational fishing. Meanwhile, the average number of fatalities worldwide per year between 2001 and 2006 from unprovoked shark attacks is 4.3."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/ocean-conservation/10-amazing-endangered-shark-species-how-many-do-you-know.html>