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<jats:p>In science news around the world, the number of reported H7N9 infections is rising in China, the U.S. Supreme Court heard arguments asking if human genes can be patented, a letter famous biologist Francis Crick wrote to his son describing the structure of DNA sold for $5.3 million at auction, and more.</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/340/6130/254.1.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/340/6130/254.2.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/340/6130/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/340/6130/255.1.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/340/6130/255.2.summary">Newsmakers</jats:ext-link> </jats:p> </jats:list-item> </jats:list> </jats:p>

<jats:p>President Barack Obama's 2014 budget request to Congress is some $12 billion over the sequestration depressed amount allocated this year and represents a 1.3% boost over 2012 levels, and NASA announced that its Mars Reconnaissance Orbiter may have spotted Soviet Mars 3 lander, which became the first spacecraft to manage a soft landing on Mars.</jats:p>

<jats:p>British physiologist Robert Edwards died last week at age 87, nearly 35 years after he helped usher the first "test-tube" baby into the world.</jats:p>