More from Chalkdust

Comic: Introduction to catalysis
If you'll open your textbook to page... oh, the cat's sitting on it
Comic: Moving
Moving house? Who you gonna call?
How to write a crossnumber
Matthew Scroggs explains how to get digits all riled up
Short Cuts: Maths
We review the sixth of this year's nominees for Book of the Year
How to make: a hyperbolic plane
A great way to waste a lot of paper
Dear Dirichlet, Issue 05
Prof. Dirichlet tackles political arguments and werewolves in answering your personal problems
