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<jats:p>In science news around the world this week, Japan's nuclear crisis is dragging on, two new studies support an Asian source for Haiti's cholera outbreak, U.K. scientists took a new accelerator on a test run, oceanographers have found the remains of Air France Flight 447 in the South Atlantic Ocean, and Brazil's science ministry is creating a commission on scientific integrity after Elsevier said it would retract 11 papers, the senior author of which is a chemist at the State University of Campinas.</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/332/6026/154.1.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/332/6026/154.2.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/332/6026/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/332/6026/155.2.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/332/6026/155.1.summary">Newsmakers</jats:ext-link> </jats:p> </jats:list-item> </jats:list> </jats:p>

<jats:p>This week's Newsmakers are Caltech neuroscientist Christof Koch, who is moving to Seattle to become chief scientific officer of the Allen Institute for Brain Science, and astrophysicist Martin Rees, who has been awarded the Templeton Foundation's annual prize for his "profound insights on the cosmos [that] have provoked vital questions that speak to humanity's highest hopes and worst fears."</jats:p>

<jats:p>The biggest animals ever to walk the Earth are about to invade the Big Apple. A new scanning-and-prototyping technique has helped to explain why Knut, the world-famous polar bear, died suddenly in front of hundreds of shocked visitors to the Berlin Zoological Garden last month. And this week's numbers quantify India's population and the zettabytes of business-related information processed by the world's computer servers in 2008.</jats:p>

<jats:p>Regulatory agencies in both the United States and Europe are soon expected to green-light the first two antiviral drugs specifically developed to treat chronic hepatitis C, a treacherous infection that can cause cirrhosis of the liver and liver cancer, often decades after infection occurs.</jats:p>