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<jats:p>In science news around the world this week, U.K. scientists are welcoming proposed changes to libel law, an oil spill is threatening endangered penguins in Tristan da Cunha, European space scientists are scrambling to rethink—and redesign—massive potential missions that NASA won't be helping support as planned, a model farm devoted to raising insects as food is set to open at the National University of Laos, and seven Guatemalan plaintiffs have filed suit in response to unethical medical studies run by U.S.-funded scientists in Guatemala in the 1940s.</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/331/6024/1499.1.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/331/6024/1499.2.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/331/6024/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/331/6024/1500.2.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/331/6024/1500.1.summary">Newsmakers</jats:ext-link> </jats:p> </jats:list-item> </jats:list> </jats:p>

<jats:p>This week's Newsmakers are Evan O'Dorney, who won first place and $100,000 in the Intel Science Talent Search; three stem cell scientists whose work will share this year's Albany Medical Center Prize in Medicine and Biomedical Research and its accompanying $500,000; and seven medical researchers who have won Canada's Gairdner Foundation Awards, valued at CAD $100,000 each.</jats:p>

<jats:p>Space scientists at the University of Leicester are working to protect the people of Britain from a terrifying scourge: counterfeit whisky. And this week's numbers quantify the cost to ferry U.S. astronauts to the International Space Station aboard Soyuz spacecraft, the percentage of MIT's science and engineering faculty who are women, and the number of homes that could run on an underwater turbine array just authorized by the Scottish government.</jats:p>

<jats:p> <jats:italic>Science</jats:italic> has created a map that provides a snapshot of the number of nuclear reactors in operation and under construction worldwide, locations of power plants in relation to seismic hazard zones, and reactions to events in Japan in some countries. </jats:p>

<jats:p>Risk calculations for radiation exposure are based heavily on a 63-year study of 94,000 people who survived the two atomic bombs dropped on Japan in August 1945. It is one of the largest, longest population studies ever done; for radiation safety, it is the gold standard.</jats:p>

<jats:p>Over the past 5 years, a few promising candidate drugs designed to ward off the effects of radiation exposure have begun to undergo animal, and even human, testing. Still, only a few companies and academic groups are addressing this unmet need.</jats:p>