<http://schema.org/headline>
"SpaceX 'Grasshopper': Reusable 'Hover Rocket' Could Cut Space Travel Costs By 100 Times"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.co.uk/2013/03/11/spacex-grasshopper-is-a-reusable-hover-rocket_n_2852957.html>