More from Chalkdust
Think Twice
We review the first of this year’s nominees for Book of the Year
Oπnions: Can a horse have an Erdős number?
Lucy Rycroft-Smith reflects on the use of this well-established measurement
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.
Our favourite (and not-so-favourite) Euler equations
A collection of our favourite and least favourite things named after Euler, from issue 07
The mathematics of human migration
Human migration with mathematical models, data and a hands-on experiment!
The Chalkdust Christmas card
This year's Chalkdust puzzle Christmas card