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A proof with a hole
Duplex difference Sudoku
Mystery Christmas theft
Losing a pound
What would you do for a dollar?
Chocolate egg or chocolate bunny? Dark chocolate or white?
Information about information
What is information and how does it shape our reality?
The physics of elementary particles: Part I
It's amazing to think that our world is based on a handful of fundamental particles and forces. Find out how...
Why we want proof
What are mathematical proofs, why do we need them and what can they say about sheep?
Find the gap
There's been progress on one of the biggest open problems in maths: the twin prime conjecture.
Emmy Noether: Against the odds
Emmy Noether, pioneering female mathematician, died 80 years ago.
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