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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.
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.
What is a black hole – physically? 
We asked cosmologist Pau Figueras everything we’ve ever wanted to know about black holes. In this podcast he explains what black holes are, physically, and how we hope to observe them.
How to win at Mornington Crescent 
This article casts a mathematical eye over a famous non-game enjoyed by thousands of people up and down the UK every week.
Ramanujan surprises again 
A fascinating discovery sheds new light on the work of the Indian mathematician Srinivasa Ramanujan.
Physics in a minute: What's the problem with quantum gravity? 
At the heart of modern physics lurks a terrible puzzle: the two main theories that describe the world we live in just won't fit together.
George Boole and the wonderful world of 0s and 1s 
The story of George Boole is an extraordinary example of collaboration across the centuries.
Happy birthday, George Boole! 
Modern computers wouldn't be possible without George Boole, who died before light bulbs even came on the market. We celebrate his 200th birthday with a look at the man and his work.
Power networks 
Why do so many networks exhibit a similar kind of structure? It's because the rich tend to get richer!
Maths in a minute: Continued fractions 
Continued fractions reveal the good, the bad and the beautiful side of numbers.