Article
Network of people

Six degrees of separation

We explore the maths that helps explain this well-known phenomenon, which says that any two people around the world are likely to be connected through a surprisingly short chain of acquaintance links.

Article
Random walk

Maths in a minute: Random walks

Random walks are great for modelling anything that moves, from particles to people. They're also fun, versatile and beautiful!

Article
Julian Sahasrabudhe

Counting on connections

Julian Sahasrabudhe wins a Whitehead Prize for combining different areas of maths using the power of combinatorics.

Article
dice

Stochastic spread

When a new infectious disease enters a population everything depends on who catches it — superspreaders or people with few contacts who don't pass it on.  We investigate the stochastic nature of the early stages of an outbreak.

Article
simulation

Boson stars: Beyond vanilla

Physicists have figured out how we might detect hypothetical boson stars. If we do, then this would count as a major step towards solving the riddle of dark matter,

Article
Illustration of coronavirus

Preparing for Disease X

Experts in public health, industry and disease modelling came together this summer to discuss how maths can prepare for the next pandemic.

Article
Street signs

Maths in a minute: Cayley graphs

Trying to solve a Rubik's cube? A Cayley graph gives you a road map for doing this — and is similarly useful for dealing with any other type of mathematical group!