Tim Harford talks to Matt Parker about how simple maths mistakes can cause big problems.
Tim Harford on the astonishing speed of price rises in Venezuela; teenagers’ screen use
When listener Helen got 15,000 likes on Tinder she questioned the stats behind swiping
Tim Harford asks which times of the year are riskiest for suicide.
Which planet is closest to Earth?
We look at the numbers behind body temperature – what is normal?
Helena Merriman with numbers about water shortage, plastic recycling and American jobs
The numbers that made 2018
What to look out for on Christmas Eve
Are mega-dams really sustainable?