More from Debora Mackenzie
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Incredible journeys
Books & Arts
Technology
Chemical weapons still causing concern
News
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Iraq’s hospitals buckle under conflict pressure
News
Earth
Billions at risk from wheat super-blight
News
Earth
Lack of sea ice devastates seal populations
News
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Indonesia resumes sharing bird flu virus samples
News
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Japan bans Tamiflu for teenagers
News
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Extreme TB: the white plague
Features
New twist in tale of BSE’s beginnings
News
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TB vaccine ain’t what it used to be
News
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New twist in tale of BSE’s beginnings
News
Life
Pharaoh’s pots give up their secrets
News