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<jats:p>In science news around the world this week, an economic stimulus package pushes Japan's science spending to a record level, the European Food Safety Authority says pesticides threaten bees, delegates from 140 countries agreed to limit mercury pollution, 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/339/6118/378.1.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/339/6118/378.2.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/339/6118/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/339/6118/379.2.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/339/6118/379.1.summary">Newsmakers</jats:ext-link> </jats:p> </jats:list-item> </jats:list> </jats:p>

<jats:p>U.S. Geological Survey Director Marcia McNutt announced that she is leaving her post and three rheumatologists have won the Crafoord Prize in Polyarthritis for the discovery of a DNA sequence that, when combined with smoking, dramatically increases the risk of rheumatoid arthritis.</jats:p>

<jats:p>A distant nebula bears a startling resemblance to Earth's humble manatee, researchers report an "increased sense of well-being" in Magh Mela festival attendees, this week's numbers report a record low number of global guinea worm cases, and join us for a live chat on the science of gun violence.</jats:p>

<jats:p>The administration moves to get a better understanding of the root causes of gun violence, declaring the roughly 30,000 firearm-related homicides and suicides each year "a public health crisis."</jats:p>

<jats:p>A new study finds that soot is warming the climate about twice as fast as scientists had estimated.</jats:p>

<jats:p>A new plan to allow users to create their own university rankings using criteria on dozens of provided measures is having trouble attracting universities and fans.</jats:p>