<http://schema.org/alternativeHeadline>
"Particles beyond the Standard Model would be a welcome find, physicists say, because the model currently has no way of explaining dark matter."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/stories/rare-particle-decay-means-standard-model-reigns-supreme>