koenigsbergbridges

Rhythm, rivers and rises pollute the prof's postbag this issue

Today's weather: seasonal, highs of π/18.

Sus Mafia strategies, LMS president Ulrike Tillmann, and Bae's theorem ❤️ all feature in our spring 2021 edition. Plus all your favourite puzzles & columns.

Try out these flo-maps for yourself: fractions speak louder than words

Biography of Katherine Johnson, NASA human computer and research mathematician

We analyse the maths and physics required to execute a good chip shot