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Vaccine riskier than smallpox, says US
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Covert video shows badgers infiltrating cowsheds
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Power of three
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Stop ’em before they start
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Shutdown
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Celera abandons gene sequencing
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It’s madness
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Extreme mercury levels revealed in whalemeat
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TB being beaten in China and India
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Supermarket challenge
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How feathers are putting a tail on pollution
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Nightmare scenario
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