<http://schema.org/alternativeHeadline>
"If this video doesn\u2019t get you excited about space exploration, you don\u2019t have a pulse"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/shareables/2012/06/30/if-this-video-doesnt-get-you-excited-about-space-exploration-you-dont-have-a-pulse/>