PhysicsGravity's secret: How relativity meets quantum physics Some neat tricks with gravity could finally probe how it affects the quantum realm and allow us to devise a theory of everything, says Michael BrooksFeatures
PhysicsQuantum logic: It's simpler to be two things at once From city design to economics, we can improve our models of complex systems if we embrace quantum weirdness, argue physicists Vlatko Vedral and Mile GuOpinion