MathematicsThe maths that tells us when a scientific discovery is real – or not When huge scientific discoveries are made, you may hear that they are “statistically significant” or pass a threshold called “5 sigma” – but those calculations can be manipulated to make claims seem grander than they are, finds Jacob Aron News
MathematicsHow breaking the rules of tic-tac-toe makes it way more fun Noughts and crosses, or tic-tac-toe, is a simple game – but twist the rules and you can really spice it up, says Peter Rowlett Regulars