<http://schema.org/about>
"Some 450 generations after our ancestors armed themselves with sharpened sticks to kill mammoths, scientists are now working to revive them -- and they're actually incredibly close to doing it."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/scientists-close-reviving-wooly-mammoths-extinction.html>