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<jats:p>In science news around the world this week, scientists are urging greater protection for the Arctic as ice recedes, Africa's first cervical cancer prevention program has been launched, French researchers are balking at limits on African travel, a group of Pacific Ocean island states has scored a victory in their battle to preserve the world's last major stocks of tuna, and a radiation safety expert has resigned his governmental advisory post in protest over standards for schoolchildren exposed to radiation from the Fukushima Daiichi Nuclear Power Plant.</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/332/6030/646.1.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/332/6030/646.2.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/332/6030/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/332/6030/646.3.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/332/6030/647.summary">Newsmakers</jats:ext-link> </jats:p> </jats:list-item> </jats:list> </jats:p>

<jats:p>Stanford University will begin a new Ph.D. program in stem cell science in 2012. Leafsnap lets iPhone users point and shoot at a leaf and compare the image to a central database of 8000 leaves. A new survey by two Kentucky teenagers suggests that school science fairs might be cradles of scientific misconduct. And this week's numbers quantify artifacts in Syracuse University's Plastics Collection, contest entries to name the European Commission's next science and technology funding program, and the percentage of U.K. survey respondents who agreed that "scientists make a valuable contribution to society."</jats:p>

<jats:p>This week's Newsmakers are Peter Lawrence of the University of Cambridge, whose out-of-print developmental biology textbook was briefly worth over $23 million, and Roger Beachy, the top scientist for extramural research at the U.S. Department of Agriculture, who is leaving his post this month for personal reasons.</jats:p>

<jats:p>Preliminary figures from China's 2010 census released last week show that the country is still growing—but not as quickly as during the previous decade.</jats:p>

<jats:p>An appeals court last week threw out a temporary ban on the use of federal funds for human embryonic stem cell research.</jats:p>

<jats:p>The U.S. Environmental Protection Agency has proposed a draft rule that would exempt cisgenic organisms—which contain only genetic material from sexually compatible species—from the requirement to be registered with EPA before being field-tested or marketed.</jats:p>