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<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/343/6178/1412.1.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/343/6178/1412.2.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/343/6178/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/343/6178/1413.1.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/343/6178/1413.2.summary">Newsmakers</jats:ext-link> </jats:p> </jats:list-item> </jats:list> </jats:p>

<jats:p>Princeton University ecologist Simon Levin receives the 2014 Tyler Prize for Environmental Achievement. And two investors known for their philanthropic contributions to biomedical research—Patrick McGovern and James Stowers—have passed away.</jats:p>

<jats:p>Scientists aboard the Danish Eel Expedition study declining populations in the Sargasso Sea, while diplomats sign a nonbinding international agreement to protect the open-ocean region from pollution and overfishing. And German-based biotech company CureVac plans to honor Friedrich Miescher, the little-known discoverer of DNA, by converting his old lab in the kitchen of a medieval castle into a public exhibit.</jats:p>

<jats:p>Last week, China's environment ministry reportedly began hammering out a plan to curb all sources of soil pollution by 2020 and to begin remediating filthy areas.</jats:p>

<jats:p> Twenty-five years after the <jats:italic>Exxon Valdez</jats:italic> oil spill, researchers are still puzzling out the disaster's ecological impacts. </jats:p>

<jats:p> The genome sequence of an ancient modern human man from Siberia helps show when early <jats:italic>Homo sapiens</jats:italic> and Neandertals interbred. </jats:p>

<jats:p>Scientists hope that womb transplants can give women with a dysfunctional or missing uterus the option of bearing their own children, but the procedure is fraught with unique challenges and ethical dilemmas.</jats:p>

<jats:p>Curiosity rover team members are now reasonably confident that contaminants brought from Earth cannot entirely explain certain carbon compounds Curiosity spotted in martian rock.</jats:p>

<jats:p>Synthetic biologists reprogram the genetic circuitry of bacteria to create "living materials" that assemble themselves.</jats:p>