Welcome to Plus magazine!
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.
Can a mathematical model of zombies' movements allow the human race to survive impending doom?
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.