More from Debora Mackenzie
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Earth
Indian vultures circling towards extinction
News
Earth
World food price crisis blamed on government neglect
News
Health
Revealed: the Asian source of the annual flu epidemic
News
Life
Sexually transmitted bug is the strongest organism
News
Health
Bacteria tails could protect against ‘dirty’ bomb
News
Health
Bird flu may spread within families
News
Life
Why the demise of civilisation may be inevitable
Features
Health
Will a pandemic bring down civilisation?
Features
Health
Bill Gates boosts fight against killer wheat fungus
News
Earth
Melting glaciers will trigger food shortages
News
Earth
Fish stocks heading for wild swings in population
News
Health
Drug victory could save thousands from deadly worm
News