<http://schema.org/alternativeHeadline>
"With 12 color receptors, you would think that the crustaceans could see colors like no other animals, but you would be wrong!"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/mantis-shrimp-sees-color-like-no-other>