More from Andy Coghlan
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Tags will tell you if frozen food’s rotten
News
Bedbugs bite back
News
Supercrop thrives on saline soil
News
Not such close cousins after all
News
Race is on to stop human cloning
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Human-chimp DNA difference trebled
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Gene data slows drug discovery
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Patents rip off the poor
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Right-wing governments ‘increase suicide rates’
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Tainted feed ‘source of unexpected BSE’
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Just a sniff can stop strokes
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Shield against assassin’s poison
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