Seeing PythagorasThe great thing about geometry is that you can sometimes prove things using pictures. Enjoy these three great visual proofs of Pythagoras' theorem!
Seeing proofHaving trouble with algebra? Then try these visual proofs of two well-known algebraic identities.
Blockchain: Spreading trustBitcoin is a digital currency that isn't regulated by any kind of central authority. The structure which allows this decentralisation is called blockchain. But how, and how well, does it work?
Maths and politics Mathematicians like to think that their field transcends politics, but as this brief history of the International Congress of Mathematicians shows, international mathematics has always been coloured by world events.