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What is a square?
If a shape has equal sides with 90 degree angles between them then it's a square, right? Well, not quite...
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Triangular number patterns
There are triangular numbers hiding all over the standard multiplication table! Find out how to discover them in this article!
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John Barrow: stories of the Universe
We remember the brilliant cosmologist, mathematician and science communicator, John D. Barrow.
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Perfectly even
After 2000 years of searching we only know of 51 perfect numbers and they're all even. What else do and don't we know about these rare and precious jewels of maths?
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Perfectly odd
Nobody has ever found an odd perfect number. So do they exist at all and, if yes, what do they look like?
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Seeing Pythagoras
The great thing about geometry is that you can sometimes prove things using pictures. Enjoy these three great visual proofs of Pythagoras' theorem!
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Seeing proof
Having trouble with algebra? Then try these visual proofs of two well-known algebraic identities.
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Andrew Wiles: what does it feel like to do maths?
We were very excited to meet Andrew Wiles this summer! In this interview and videos he tells us what it was like to prove Fermat's Last Theorem, and what it feels like to do maths.
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What the eye can't see
From cancer treatments to counting trees: the maths behind image analysis makes it all possible.
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What is a black hole – mathematically?
Pau Figueras explains how Einstein's theories predicted the existence of black holes, and how to describe them mathematically.
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What is a black hole – physically?
Small, dark, and very hard to see. This and far more indepth answers to every question you ever wanted to ask about black holes.
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What is general relativity?
To celebrate the centenary of the general theory of relativity we asked physicist David Tong to explain the theory and the equation that expresses it. Watch the video or read the article!