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<jats:p> In science news around the world this week, polio vaccination campaign workers were killed in attacks in Pakistan, the latest results from the Trends in International Mathematics and Science Study are out, more changes are happening at the <jats:bold /> Cancer Prevention and Research Institute of Texas, and a court ruled that a German neuroscientist can continue his research on macaques. </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/338/6114/1516.1.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/338/6114/1516.2.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/338/6114/1517.2.summary">Newsmakers</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/338/6114/1517.2.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/338/6114/1518.summary"> The Top 10 <jats:italic>Science</jats:italic> NOWs of 2012 </jats:ext-link> </jats:p> </jats:list-item> </jats:list> </jats:p>

<jats:p> This week's Newsmakers are Alan Alda and Jane Lubchenco. Alda talks with <jats:italic> <jats:italic>Science</jats:italic> </jats:italic> about the second Flame Challenge: What is time and how would you explain it to an 11-year-old? Lubchenco, the head of the U.S. National Oceanic and Atmospheric Administration, has announced her resignation. </jats:p>

<jats:p>The growls and screams of hardcore metal bands sound painful, but those vocal pyrotechnics might be less damaging to the singer than you might expect. Also, political economist Alberto Baccini comments on a major government effort to evaluate Italian scientists and research institutions.</jats:p>

<jats:p> At the end of every year, <jats:italic> <jats:italic>Science</jats:italic> </jats:italic> NOW takes a look back at some of our favorite and most popular stories. </jats:p>

<jats:p>The National Ignition Facility faces an uncertain future after its managers admitted to Congress this month that they need at least another 3 years to try to identify what has prevented the giant laser fusion lab in California from achieving ignition.</jats:p>