The Plus Team

Article

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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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 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!

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The life and numbers of Fibonacci

The Fibonacci sequence – 0, 1, 1, 2, 3, 5, 8, 13, ... – is one of the most famous pieces of mathematics. We see how these numbers appear in multiplying rabbits and bees, in the turns of sea shells and sunflower seeds, and how it all stemmed from a simple example in one of the most important books in Western mathematics.