<http://schema.org/about>
"The plant's operator found substances in a reactor which could be a result of nuclear fission, a possible setback in safely shutting down the plant."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/energy/stories/nuclear-fission-scare-hits-wrecked-japan-nuclear-plant>