bbt7

We announce the shortlist of our favourite maths-themed books of last year

Sus Mafia strategies, LMS president Ulrike Tillmann, and Bae's theorem ❤️ all feature in our spring 2021 edition. Plus all your favourite puzzles & columns.

In 2018, scientists discovered a new shape that is essential to multicellular life

Win £100 of Maths Gear goodies by solving our famously fiendish crossnumber

Lucy Rycroft-Smith reflects on the use of this well-established measurement

Print out and make a flexagon