How did we evolve our capacity for maths? Does maths piggy-back on our ability for language, or is it a completely separate faculty? Is it dependent on culture? Plus spoke to the cognitive psychologist Rosemary Varley to find some answers.

Phil Wilson continues our series on the life and work of Leonhard Euler, who would have turned 300 this year. This article looks at the calculus of variations and a mysterious law of nature that has caused some scientists to reach out for god.

Plus 1000 — Mathematical lives

How does complexity arise from simplicity?

Former Plus editor Helen Joyce explains how Plus made it big as a part of our series to celebrate Plus's tenth anniversary.

John Napier was a clever man indeed. Besides inventing the logarithm, he developed ingenious calculating devices that fully exploit the power of the positional system. In this article Chris Sangwin tells you how to make your own set of Napier's bones and perform mathemagic with an interactive checker board.

Plus celebrates its 10th birthday!

Mathematicians solve the famous loop's mystery

A new Bayesian network helps predict the severity of the disease

A new mathematical model explores the time before the big bang

Graph theory helps answer Sudoku questions

Computer scientists prove how long it should take you to solve Rubik's cube