More from Chalkdust

Headscratchers
We review the eighth of this year's nominees for Book of the Year
Topological tic-tac-toe
Alex Bolton plays noughts and crosses on unusual surfaces
Let them share cake
Or, how a simple problem can get very complicated, very quickly...
Thinking outside the box
Negative polygons and other mathematical creations
Debugging insect dynamics
Explain the strange dynamics of certain insects using game theory
Top Ten: Parts of a circle
The definitive chart of the circle's greatest parts
