<http://schema.org/alternativeHeadline>
"An Australian study shows that sharks may be scary \u2014\u00A0but they are also extremely valuable."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/eco-tourism/blogs/thanks-to-eco-travelers-sharks-are-worth-more-alive-than-dead>