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<jats:p>Around the world this week, Iran is continuing to expand its capacity to build a nuclear weapon and resist international oversight of its atomic program, more neuroscience research and a modernized nuclear arsenal are among the priorities presented in the 2012 Republican Party Platform, drug-resistant TB is on the rise, and science played an unusually large role in the opening ceremony for London's Paralympics.</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/337/6099/1154.1.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/337/6099/1154.2.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/337/6099/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/337/6099/1155.1.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/337/6099/1155.2.summary">Newsmakers</jats:ext-link> </jats:p> </jats:list-item> </jats:list> </jats:p>

<jats:p>This week's Newsmaker is Richard Levin, who announced he would be stepping down next year after 19 years at the helm of Yale University.</jats:p>

<jats:p> The free online preprint server arXiv will receive up to $350,000 a year for 5 years from the Simons Foundation. In honor of the bicentenary of Edward Lear's birth, London's Royal Society has opened an exhibition of rare books, drawings, and lithographs of his work entitled <jats:italic>Edward Lear and the Scientists</jats:italic> . And this week's numbers quantify potential deaths from a magnitude-9.1 earthquake off Japan and brain scans from subjects with autism and matched controls released last week. </jats:p>

<jats:p>After a 2-decade-long search, astronomers have identified a summit on the Ngari Plateau in southwestern Tibet as the likely site for a premier mountaintop observatory.</jats:p>