HealthCalories on food packets are wrong – it's time to change that The calories on food packets don't actually take into account how our bodies use them. It is time we demanded better information on what we consume, says Giles YeoComment
PhysicsClouds of atoms trap light in a way that could store quantum data When an atom absorbs light, it re-emits it almost immediately – but a cloud of atoms can hold on to the light for a while, which could be useful in future quantum computers 51¶¯Âþ