<http://schema.org/about>
"Modern technology came in handy for several scientists tracking the marathon migration of pronghorn antelopes. Using GPS collars, the scientists were able to follow the species in what is being called the longest migration of any"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/pronghorn-antelopes-are-the-true-marathoners-of-the-american-west.html>