LifeYour brain wrinkles like a screwed-up ball of paper The same forces that govern a scrunched-up piece of paper can explain the numbers of folds and grooves in human, pig, elephant and rat brains News
PhysicsEinstein was first to dream up dark energy A written dialogue between Albert Einstein and Erwin Schrödinger suggests the pair stumbled upon the idea of dark energy 80 years before its time News