MindInterrupting sleep after a few minutes can boost creativity A technique for interrupting the first stage of sleep helps people solve a maths problem – the same approach was used by Thomas Edison and Salvador Dali News
LifeWhat is consciousness like for other animals and when did it evolve? The conscious experiences of non-human animals, from whales and birds to octopuses and bees, are revealing fresh clues about when consciousness evolved and what it’s for Features