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Max Hughes investigates how channelling your inner Pythagorean may help you to become the next big lifestyle influencerDear Dirichlet, Issue 16
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We review the second of this year's nominees for the Book of the YearChalkdust issue 13 – Coming 1 May
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Puzzle #3 in our 2020 Christmas puzzle seriesOrigami tesseract
Folding origami, building networks, making projections and multiple dimensions!