More from Chalkdust

The Art of Uncertainty
We review the seventh and last of this year’s nominees for Book of the Year
Bells, braids and taxicabs
An adventure that starts with a morning of bell ringing and ends with a mad dash in a taxi
Too good to be Truchet
Colin Beveridge looks at different designs for 2- and 3-dimensional tiles
Summer puzzles
Have a go at these puzzles, adequate for your holidays!
Christmaths carols II
Behind today's door... Another carol!
Why I hate an empty bus stop
How the queue size tells you when the next bus is coming
