<http://schema.org/about>
"What will actually happen when north-pointing compasses make a 180-degree turn toward Antarctica? Will the continents tear themselves apart, or are we in store"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/should-we-be-worried-about-earths-magnetic-poles-reversing?page=1>