<http://schema.org/alternativeHeadline>
"Scientists think the animals were likely poisoned-to-death from harmful algal blooms and then washed up in the Chilean desert millions of years ago."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/stories/mystery-of-atacama-desert-whale-graveyard-solved>