More from Debora Mackenzie
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Health
Silky scheme for vaccine storage without refrigeration
News
Chasing deadly viruses for a living
Culture
Health
Foot-and-mouth disease stalks Egypt
News
Health
Swine flu pandemic killed 15 times more than thought
News
Health
Threatwatch: Taliban action risks polio resurgence
News
Health
Publication of flu study reveals full nature of threat
News
Health
Deadly flu recipe to be published 鈥� but work halted
News
Health
Second strain of cholera found in Haiti
News
Health
WHO demands action on drug-resistant gonorrhoea
News
Humans
Innocent blushes share same pattern as sexual flushes
News
Greek crisis: Losing Greece won’t save euro network
News
Life
Biological clock began ticking 2.5 billion years ago
News