More from Chalkdust
Prize crossnumber, Issue 14
Win a £100 Maths Gear goody bag by solving our infamous puzzleA few of Euler’s masterpieces
``Read Euler, read Euler, he is the master of us all." -- Laplace. An invitation to join us in celebrating Euler's 311th birthday by appreciating a few of his great contributions to mathematics.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?'In conversation with Olubunmi Abidemi Fadipe-Joseph
Meet Olubunmi Abidemi Fadipe-Joseph, an active promoter for women in mathematics from NigeriaThe croissant equation
Each time you eat a croissant you might be biting more than 500 layers of dough!The Chalkdust Christmas card
This year's Chalkdust puzzle Christmas card