How accurate are the swab tests used to diagnose Covid-19? Read more
False negatives, testing capacity and pheasants
How accurate are the swab tests used to diagnose Covid-19?
Antibody tests, early lockdown advice and European deaths
Are more people are dying of Covid-19 in the UK than all the EU countries put together?
Quarantine, Test and Trace and BODMAS
Is it true that Covid-19 mostly kills people who would die soon anyway?
Child Poverty, School Inequality and a Second Wave
As lockdown eases, why hasn't there been a spike in infections?
Why Did the UK Have Such a Bad Covid-19 Epidemic?
Bad decision-making, bad advice, or bad luck?
Hawaiian Pizza, Obesity and a Second Wave?
Covid-19 cases are rising in the UK, is it a sign of a second wave of the virus?
A-level algorithms, poker and buses
We unpick the A-level algoshambles and discover what poker teaches us about statistics.
Covid plasma therapy
Claims about a Covid-19 treatment, breast cancer screening, and 18th century sex workers.
Schools and coronavirus, test and trace, maths and reality
Evidence on Covid-19 risks in schools, data on contact tracing, and a philosophical query.
Covid cases rising, a guide to life’s risks, and racing jelly-fish
How worrying is the UK’s jump in cases? Plus balancing risks and the speed of jelly-fish.
Covid testing capacity, refugee numbers, and mascara
Confusing claims on lab capacity, the UK’s record on asylum, and the volume of eyelashes.