<http://schema.org/alternativeHeadline>
"The size of a grapefruit, the newly discovered organ is full of nerves that detect changes in ocean pressure to let whales know when to open their mouths."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/fin-whales-big-gulp-aided-by-newly-discovered-organ>