More from Chalkdust
Solutions to recent puzzles
Looking back at puzzles about complex numbers, tic-tac-toe, and the Eggnog Mystery
The science behind Santa Claus
Christmas is coming, and Santa will soon begin his journey. We analyse the science and maths behind his trip.
Should you buy a Valentine’s day present?
For those of you tackling this dilemma, here's your answer...
Binary magic card trick
Behind today's door... A binary magic card trick!
Killing by numbers: the mathematics of warfare
A blast from the past. Modelling battle grounds from ancient Greece.
A counterintuitive result in the theory of traffic flow
Additional roads do not imply faster travel times!