More from Chalkdust
What’s hot and what’s not, Issue 21
Fashion is fleeting, Chalkdust regulars are not.
A Year in Numbers
We review the seventh of this year's nominees for Book of the Year
On the cover: VisualPDE.com
Ben Walker, Adam Townsend & Andrew Krause invite you to play with their fun online PDE visualiser
Curiosities of linearly ordered sets
Andrei Chekmasov explores order and infinity
The mathematics of human migration
Human migration with mathematical models, data and a hands-on experiment!
Puzzles on square grids
How to make Sudoku more interesting