Sleep, coffee and cheating at Tetris feature in our SS26 issue! Plus all your favourite puzzles & columns.
Sam Kay and Ellen Jolley race against the body clock with the University of Surrey professor
Ffreuer Bristow works out which pieces can force someone to lose
If you'll open your textbook to page... oh, the cat's sitting on it
Matthew Scroggs puts polyominoes inside polygons
Travel, trade and Tony Blackburn pepper the prof's postbag this issue
Barry Pawlik builds words and sentences from doubles
✋ Which is best? 🤚
Always banging on about how numbers were better in the good old days? Take our quiz to find out how old you really are…
Fashion is fleeting, Chalkdust regulars are not.
