PhysicsParticle physicists may have solved a strange mystery about the muon A subatomic particle called the muon caused waves when its experimental behaviour didn't align with a prediction based on the standard model. A new calculation might resolve the discrepancy – but some particle physicists are sceptical News
PhysicsPhysicists determined the paper most likely to give you a paper cut An experiment with a robot and gelatine determined that 65-micrometre-thick paper is the most prone to slicing our skin – but it can also make for a handy recyclable knife News