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How the flu virus that caused the 1918 flu pandemic has been recreated and why scientists want to discover what it can teach us about the current outbreak of bird flu. Nobel prizes announced for physics (advances in quantum mechanics), chemistry (new techniques for making complex organic molecules), and medicine (the bacterium Helicobacter pylori causes stomach ulcers). Cryosat space probe will give detailed survey of ice thickness at the north and south poles. China's second manned space mission is due to launch later this month. Plus, how accurate are national character stereotypes?
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