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Orbit crossnumber
Can you solve it?
Issue 17
Penguins, prison and PDE patterns feature in our Spring 2023 issue. Plus all your favourite puzzles & columns.
Weirdonacci numbers
Like Fibonacci, but weird. Robert J Low and Thierry Platini explain
The scutoid: a geometric building block of life
In 2018, scientists discovered a new shape that is essential to multicellular life
Routes: Edsger Dijkstra
In this edition of the series, we instead learn about 'routes' and Edsger Dijkstra's shortest path algorithm.
Top ten vote issue 04
Vote for your favourite part of a circle