The 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

​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 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