img5 - Chalkdust

Sam is a maths student at Durham University where he hosts
Chalkboard Ultra podcast and spends too much time thinking about spinors. Outside of maths, Sam runs one of the university’s jazz bands.

The big argument: What’s the best way to end a proof?
QED or $\square$?
The history of pi
What is pi? How do we define it and who first thought of it? We explore the history of this quintessential mathematical constant.
Top Ten: Mathematical celebration days
The definitive chart of the best dates
Christmas conundrum #4
Can you solve four puzzles to reveal the hidden message?
In conversation with Marcus du Sautoy
We chat to Marcus about science communication, teaching mathematics in schools, and how to make group theory sound sexy.
Man vs Maths
A review of Timothy Revell's new book, describing the hidden mathematics behind our world