More from Debora Mackenzie
Explore the latest news, articles and features
Russian gas clues point to cocktail
News
Mystery of Russian gas deepens
News
Russian gas may be secret crowd-control weapon
News
Written in the dust
Opinion
Health
Plague on a national icon
News
Disease watch may spot bioweapons
News
‘Act now’ plea on bioterror threat
News
British dossier on Iraqi weapons released
News
Terrorists ready to seize Iraqi weapons
News
Iraq invasion could ‘worsen terrorist threat’
News
Nicotine triggers cot death
News
Nicotine’s double link to cot death
News