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Turing tests filter spam email
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China counts down to manned space flight
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2002: The year in technology
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2002: The year in space and astronomy
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Star cluster puzzle revealed by Chandra
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First high-energy image from black hole hunter
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Galileo spacecraft’s last testament recovered
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Russian firm acquitted in landmark DMCA case
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US missile defence shield operational by 2004
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Hydrocarbon bubbles discovered in meteorite
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Email viruses soar by 80 per cent
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Virtual world will run on real cash
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