More from Debora Mackenzie
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Health
African nations step up efforts to prevent spread of coronavirus
News
Health
The three things we really need to know about the Wuhan coronavirus
News
Health
Will the coronavirus become a pandemic – and what happens if it does?
News
Health
New coronavirus looks set to cause a pandemic – how do we control it?
News
Physics
It would take Iran more than 4 months to develop nuclear weapons
News
Earth
What to expect from the cutting edge of science and tech in 2020
News
Life
China has 50 per cent fewer pigs – but how many of them actually died?
News
Life
A quarter of all pigs have died this year due to African swine fever
News
Health
Measles has a devastating and long-term effect on your immune system
News
Health
Vaccines have helped us eradicate another strain of wild polio virus
News
Health
Wild polio has been eradicated in Nigeria but infections will continue
News
Health
Have we found the true cause of diabetes, stroke and Alzheimer’s?
Features