Podcast

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.
News story
equation

Ramanujan surprises again

A fascinating discovery sheds new light on the work of the Indian mathematician Srinivasa Ramanujan.
Collection

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.
Article

Power networks

Why do so many networks exhibit a similar kind of structure? It's because the rich tend to get richer!