More from Chalkdust
Surname extinction
Why do surnames die out? We take a look at the Galton-Watson process for modelling the extinction of surnames to answer the question: 'When will we all be Smiths?'
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.
How to make: a hexaflexagon
Make an amazing three faced hexagon
A counterintuitive result in the theory of traffic flow
Additional roads do not imply faster travel times!