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Ferm-ant’s principle
Tyler Helmuth has lost his ant-vocado
A Ring of Cats and Dogs
We review the first of this year’s nominees for the Book of the Year
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Dear Dirichlet, Issue 07
Pigs, popes and produce are among the topics of discussion in this issue's Dear Dirichlet advice column
Christmas conundrum #2
Solve this and you could be the lucky winner of a signed copy of The Indisputable Existence of Santa Claus
Cutting my birthday cake
How to make the most slices from just a few cuts of cake