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<jats:p>The Wellcome Trust is adding teeth to a requirement that grantees post their papers in a public database within 6 months of publication. A one-of-a-kind tree has been spared the ax at the Fairchild Tropical Botanic Garden in Miami, Florida. Archivists at the Library of Congress in Washington, D.C., are painting a picture of noted astronomer Carl Sagan using 750,000 objects and documents he saved over the course of his life. And this week's numbers quantify signatures on a petition to amend U.K. libel laws, the percentage of U.S. patents with at least one foreign-born inventor, and the number of babies born via fertility techniques.</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/337/6090/18.1.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/337/6090/18.2.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/337/6090/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/337/6090/18.c.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/337/6090/19.summary">Newsmakers</jats:ext-link> </jats:p> </jats:list-item> </jats:list> </jats:p>

<jats:p>This week's Newsmakers are University of California, Los Angeles, computer scientist Deborah Estrin, who is joining a slick new tech campus at Cornell University, and Fernando Codá Marques, a differential geometer at the National Institute for Pure and Applied Mathematics in Rio de Janeiro, who has won the 2012 Ramanujan Prize for Young Mathematicians from Developing Countries.</jats:p>

<jats:p>An unpublished statistical method to detect data fraud has led psychologist Dirk Smeesters of Erasmus University Rotterdam to resign and his school to request the retraction of two of his papers.</jats:p>

<jats:p> Researchers must figure out how best to use the fines from the 2010 <jats:italic>Deepwater Horizon</jats:italic> oil spill in the Gulf of Mexico to repair wetlands and marine ecosystems battered by more than a century of abuse. </jats:p>

<jats:p>The former head of Turkey's Council of Higher Education, Kemal Gürüz, has been arrested as part of an inquiry by Turkey's conservative government into what's known as the "postmodern coup" of 1997.</jats:p>

<jats:p>Laurence Steinberg, a child psychologist at Temple University, was the chief scientific consultant on amicus curiae briefs submitted to the Supreme Court in the course of last week's ruling banning life imprisonment for juveniles.</jats:p>

<jats:p>A massive redistribution of land-use rights aims to boost afforestation and sustainable forestry.</jats:p>

<jats:p>Cartoonist Jim Toomey finds ways to sneak marine conservation and science into his popular comic strip.</jats:p>