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On the dissecting table
writes about the intriguing amateur mathematician Henry Perigal, who took his elegant proof of Pythagoras' Theorem literally to his grave - by having it carved on his tombstone.
Why a perfect voting system is mathematically impossible.
Maths in a minute: Local connectivity
How crinkly is crinkly?
Why we want proof
What are mathematical proofs, why do we need them and what can they say about sheep?
Information about information
What is information and how does it shape our reality?
Emmy Noether: Against the odds
Emmy Noether, pioneering female mathematician, died 80 years ago.
Tweets by @plusmathsorg
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