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<jats:p>In science news around the world, the U.S. Food and Drug Administration moves toward approving new herbicide-resistant crops, the Australian Wildlife Conservancy builds a giant fence to shield native species, India lays the first stone on its $500 million cancer institute, and more.</jats:p>

<jats:p> Follow the links below for a roundup of the week's top stories in science, or <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://www.sciencemag.org/content/343/6167/122.1.full.pdf">download a PDF of the entire section</jats:ext-link> . <jats:list list-type="bullet"> <jats:list-item> <jats:p> <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://www.sciencemag.org/content/343/6167/122.2.summary">Around the World</jats:ext-link> </jats:p> </jats:list-item> <jats:list-item> <jats:p> <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://www.sciencemag.org/content/343/6167/findings.full">Findings</jats:ext-link> </jats:p> </jats:list-item> <jats:list-item> <jats:p> <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://www.sciencemag.org/content/343/6167/122.3.summary">Random Samples</jats:ext-link> </jats:p> </jats:list-item> <jats:list-item> <jats:p> <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://www.sciencemag.org/content/343/6167/123.summary">Newsmakers</jats:ext-link> </jats:p> </jats:list-item> </jats:list> </jats:p>

<jats:p>Time-lapse videography reveals how fire ants arrange themselves into living bridges, then stabilize and repair them with no leadership. And scientists team up with comic book artists to create a contest where schoolchildren compete to bring their science-inspired superheroes to life on the page.</jats:p>

<jats:p>The National Academy of Engineering announces its two top engineering prizes, honoring the scientists who developed the lithium-ion battery and the team behind the Dartmouth Engineering Entrepreneurship Program.</jats:p>

<jats:p>New studies raise questions about the conventional wisdom on how U.S. college students decide to major in science and engineering and the significance of high attrition rates.</jats:p>