Twitch streaming, abacuses and Pascal's secrets feature in our AW23 issue! Plus all your favourite puzzles & columns.
E Adrian Henle, Nick Gantzler, François-Xavier Coudert & Cory Simon team up for a deadly challenge
In 2018, scientists discovered a new shape that is essential to multicellular life
Colin Beveridge looks at different designs for 2- and 3-dimensional tiles
Sit in your favourite chair and do away with those tedious algebraic proofs
Using Markov chains to calculate some interesting tennis stats!
