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Covering infinity
Sophie Bleau uncovers the secrets behind covering maps
Issue 12
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.
The scutoid: a geometric building block of life
In 2018, scientists discovered a new shape that is essential to multicellular life
Christmas competition #1: ‘You can’t polish a nerd’
Win a DVD boxset from Festival of the spoken nerd in our first Christmas competition!
Closing the Gap
A review of Vicky Neale's new book about the quest to understand prime numbers.
Advent puzzles IV
Behind today's door... a puzzle!