Welcome to Plus magazine!
A brief into to bits and why they're not the same as 0s and 1s.
What are mathematical proofs, why do we need them and what can they say about sheep?
Can you measure information? It's a tricky question — but people have tried and come up with very interesting ideas.
Two mathematicians' visit to the desert sheds new light on avalanches.
What is 1-1+1-1+1-1+...? How infinite sums challenge our notion of arithmetic.