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Toxic US ghost ships should ‘go home’
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Cockerels dole out more sperm to new lovers
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Human trial of HIV vaccine starts in South Africa
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Gold “nano-bullets” shoot down tumours
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Plague of locusts causes mass allergy attack
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Earth
Russia will not ratify Kyoto protocol, says adviser
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US says food from cloned animals is safe
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Designer drug halts organ rejection
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West Nile cases doubled in 2003 US outbreak
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Red wine chemical may soothe lung disease
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Stem cell mobility linked to cancer’s spread
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Homeopathy reduces arsenic poisoning in mice
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