More from Chalkdust
- Sam Harris looks at how Pingu and his friends can stay cosy
- We review the sixth of this year's nominees for the Book of the Year
- Andrei Chekmasov explores order and infinity
- Coffee, Brexit and badgers are among the topics of discussion in this issue's Dear Dirichlet advice column
- Exploring the beauty of complex numbers, their origins and why they are important
- Cardioids in coffee cups, counting with three fingers, and breakfast at Villani's. Plus the return of all your favourite fun pages in our autumn 2017 issue.