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Debora Mackenzie

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Explore the latest news, articles and features

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Sedative ‘reactivates’ damaged brains

Old vaccine hits TB like a blast from the past

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Atkins diet marginally better than rivals

Earth

‘Nuclear winter’ may kill more than a nuclear war

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Race to beat killer drug-resistant TB

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Poor countries hold out for bird vaccine

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Virus in the frame for prion diseases

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UK bird flu outbreak 鈥� who dunnit?

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Europe must get to grips with bird flu

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Surveillance failure as bird flu hits UK farm?

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Pandemic flu may be only two mutations away

Environment

Deadly H5N1 may be brewing in cats