More from Debora Mackenzie
Explore the latest news, articles and features
Environment
Cats can catch SARS – and pass it on
News
Gene linked to poorer memory
News
Eels slide towards extinction
News
Misplaced optimism has delayed recovery of cod
News
Cleverness may carry survival costs
News
Giant female birds towered over their puny partners
News
Case reopens on Black Death cause
News
Case reopens on Black Death cause
News
Health
The maddening problem of SARS: Immune systems in overdrive
Features
Uncertainty clouds Canada’s SARS declaration
News
Fears grow that SARS could make a comeback
News
Smallpox vaccination plan grinds to a halt
News