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A groundbreaking new proof for Pythagoras’ Theorem?
Two high school students say they’ve discovered a new trigonometric proof for the theorem

Covid vaccines and false claims about miscarriage
We debunk viral claims that incorrectly link covid-19 vaccines with a risk of miscarriage

Silicon Valley Bank: A very modern bank run
How do bank runs happen?

Do fungi kill three times as many people as malaria?
We investigate the claim that fungal infections are a much bigger killer than malaria.

Does British jewellery contain stolen Brink’s-Mat gold?
We ask what happened to the 3 tonnes of pure gold after the infamous robbery of 1983

Do 29,000 coffee pods really go to landfill every minute?
We explore the environmental consequences of our thirst for coffee

Florence Nightingale and how she visualised data
Tim Harford discusses the power of the nurse statistician’s groundbreaking diagrams

Spreadsheet disasters
The long and costly history of spreadsheet mistakes

Hannah Fry on using shopping data to detect ovarian cancer
The mathematician discusses a study that suggests loyalty card data could signal cancer.

Are wild mammals only 4% of the mammal population?
We examine a study that says humans and livestock dominate mammal life on Earth