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Does wearing a mask halve your chances of getting Covid-19?
Is it true wearing a mask reduces Covid-19 incidence by 53%?
Simpson鈥檚 Paradox: How to make vaccinated death figures misleading
A tricky statistical phenomenon at play.
A TikTok tale
How a well-meaning TikTok disrupted 4,600 studies.
The carbon cost of breakfast at COP26
Can a vegan croissant really be worse for the environment than a bacon roll?
Same data, opposite results. Can we trust research?
Why the same data can produce different conclusions.
The art of counting
Tim Harford talks to author Deborah Stone about her book which explores counting
The numbers behind Squid Game
Could you survive a round in Squid Game, and how many have watched it?
The prize-winning economics of migration and the minimum wage
A look at the work of this year鈥檚 winners of the most prestigious prize in economics.
Vaccinating the world
How countries鈥� vaccination rates measure up 鈥� and the trickiness of comparing them.
The Gender Pay Gap
Can Machiavelli help women get a better deal in the workplace?
