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<jats:p> Highlights from <jats:italic>Science</jats:italic> 's online daily news site, <jats:italic>Science</jats:italic> NOW, this week include warp-speed raindrops, the cause of gray hair, lava as a signifier of life, and the road to new species. </jats:p>

<jats:p>Is this the year that the United States finally ratifies the United Nations Convention on the Law of the Sea, an international agreement to conserve and manage the wealth of the ocean?</jats:p>

<jats:p>After a firestorm of criticism, it appears that the Chinese government is backing down from its announcement that starting 1 July, all computers sold in China must have a new software program meant to filter pornographic images and block content that offends government sensibilities, such as discussion of the banned sect Falun Gong.</jats:p>

<jats:p> This week, <jats:italic>Science</jats:italic> Insider reported on a plan to build a cleaner coal-powered plant, the <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://blogs.sciencemag.org/scienceinsider/2009/06/money-woes-stri.html">elimination of a key scientific instrument</jats:ext-link> on a European mission to Mars, and <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://blogs.sciencemag.org/scienceinsider/2009/06/aids-meeting-de.html">a demand</jats:ext-link> that HIV-positive people be allowed to attend an international AIDS meeting in the United States. </jats:p>

<jats:p>Everyone wants to emulate the Massachusetts Institute of Technology, but Italy is discovering that not everyone agrees on how to do it.</jats:p>

<jats:p>According to new research presented at the American Astronomical Society meeting, astronomers may have been systematically underestimating nearby black hole masses by a factor of two to three.</jats:p>

<jats:p>At the American Astronomical Society meeting, researchers presented findings that could make it easier to measure cosmic distances and help refine estimates of the rate of expansion of the universe.</jats:p>

<jats:p>The discovery of the cystic fibrosis gene brought big hopes for gene-based medicine; although a lot has been achieved over 2 decades, the payoff remains just around the corner.</jats:p>

<jats:p>Construction is about to commence on the world's biggest single-dish radio telescope, which will take aim at exotic beasts such as pulsars and dark galaxies.</jats:p>

<jats:p>Economists are shaking their heads at the Obama Administration's claim to be able to count the jobs that will flow from the stimulus package.</jats:p>