The American Association for the Advancement of Science: Tropical farmers 'at risk' from pesticides
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David Dickinson
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Kyshtym 'almost as bad as Chernobyl'
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Lords speak out on embryo research
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Europe seeks softer sell on hard technology . . .
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Heseltine urges new technology policy for Britain
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Science: Biologists fail to repeat gene transfer by sperm
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European physicists narrow down the neutrinos in the Universe
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Gorbachov lifts funds for civil R&D
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Poor countries need help to adapt to rising sea level
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