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

More sartorial inquisition for your feet

Graphical linear algebra, slide rules and game theory in nature. Plus all your favourite fun pages in our spring 2017 issue.

Behind today's door... The Chalkdust guide to Christmas presents

Using modern technology to understand geometry

Exploring the legacy of John Nash (1928 – 2015)