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Aimen Khan ponders how patterns break down

Bethany Clarke and Enric Solé-Farré chat to the professor and new president of the London Mathematical Society about academia, access and awards

Eleanor Doman and Qi Zhou swap percentages for placenta-ges

Behind today's door... a puzzle!

And on the fifth day, some rather Algebraic Golden Rings:

Prof. Dirichlet tackles deaf colleagues and cold badgers.