<http://schema.org/headline>
"Scientists coax bacteria to produce pure gold nuggets"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/stories/scientists-coax-bacteria-to-produce-pure-gold-nuggets?magic_tabs_comment_callback_tab=0&referer=node%2F182683&args=a%3A1%3A%7Bi%3A0%3Bs%3A6%3A%22182683%22%3B%7D>