Welcome to Plus magazine!
Our images of the week show the amazing snow art created by Simon Beck.
Why maths is an important tool in the fight against Ebola.
Given there's a finite number of notes on a scale, can we still find a brand new melody? Perhaps they've all been written already!
Why do we add fractions the way we do? A very close look at addition reveals the answer — and it also works for negative numbers.
An impossible equation, two tragic heroes and the mathematical study of symmetry