We review the fourth of this year’s nominees for Book of the Year

Phone assistants, duplicating pastries, and being a 10 anywhere else are among the topics of discussion in this issue's Dear Dirichlet advice column

Madeleine Hall looks at one of the minds behind GPS

Puzzle #2 in our 2020 Christmas puzzle series

Nira Chamberlain explains how Black Panther's suit can be modelled mathematically

A summer essential or an embarrassment risk on the streets of Ibiza?