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Menstrual Syncing
Do women鈥檚 periods start to synchronise if they spend time together?
Gender Pay Gap
Making sense of the difference between men's and women's pay.
Death Penalty abolition
The story behind the countries that have not executed anyone for 10 years
Counting Terror Deaths
Is 2016 an unusually deadly year for terrorism?
Counting Terror Deaths
Has 2016 been a particularly bad year for terrorism in Europe?
Grammar Schools
Do selective schools improve grades and improve social mobility?
Swimming World Records
Why are swimming world records frequently being broken?
Plastic Bags
Has a 5p charge caused a drop in the use of carrier bags?
Predicting Olympic Medals
What makes a country successful at winning gold, silver and bronze?
The Supermarket Effect
Tim Harford returns with Brexit, Trumpton, the Antiques Roadshow and some good news.
