
Madeleine Hall looks at one of the minds behind GPS

Independent Sage's Christina Pagel, hyperbolic mindfulness and make-your-own Markov tweet feature in our autumn 2020 edition. Plus all your favourite puzzles & columns.

Village fetes, Brexit and flowers are among the topics of discussion in this issue's Dear Dirichlet advice column

As the festive season strikes again, we'll be dishing out more fiendish puzzles – this time with prizes!

Your first peek at our Spring issue

Did you use meta-logic to solve the crossnumber?