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<jats:p> <jats:italic>Science</jats:italic> Insider reported this week that the World Health Organization is defending itself from a German physician who has called the H1N1 swine flu pandemic "fake" because the virus isn't very different from existing strains and that scientists at the helm of the Intergovernmental Panel on Climate Change are discussing steps to respond to issues raised by e-mails uncovered at the University of East Anglia after a theft by a presumed hacker in November, among other stories. </jats:p>

<jats:p>A once-popular view that climate change led the Near East's ancient Natufians to begin domesticating plants and animals is under increasing attack, but alternative paradigms are still being formed.</jats:p>

<jats:p>A new report shows how a decade of investment in science and technology has moved the world's most populous nation into the front ranks on key global indicators.</jats:p>

<jats:p>Researchers operating the next-generation camera orbiting Mars have found eight more of the steep gullies where it looks as if water recently gushed downhill. But the timing and geographic distribution of the flows point not to liquid water but to bone-dry flows of debris somehow facilitated by a ground frosting of frozen carbon dioxide, they announced at the fall meeting of the American Geophysical Union.</jats:p>

<jats:p>Space physicists presented evidence at the fall meeting of the American Geophysical Union for a global ocean tens of kilometers beneath the volcano-pocked surface of Io. This one, however, would be mostly molten rock.</jats:p>

<jats:p>Snapshots from the fall meeting of the American Geophysical Union include training people how to evacuate safely in the event of a tsunami and the finding that nanodiamonds really do litter the sedimentary record at the geologic moment that the mammoths disappeared.</jats:p>

<jats:p>An unmanned autonomous submarine has discovered a sea-floor ridge that may have been the last hope for stopping the now-accelerating retreat of the Pine Island Glacier, a crumbling keystone of the West Antarctic Ice Sheet, researchers announced at the fall meeting of the American Geophysical Union.</jats:p>