The mechanics of sleep and the process by which we store and retrieve memories has from ancient times been approached through many myths and theories, but it is only recently that hard science is seriously uncovering these mysteries of the mind. A study in Nature Neuroscience,...

J. David Smith, Ph.D., a comparative psychologist at the University at Buffalo who has conducted extensive studies in animal cognition, says there is growing evidence that animals share functional parallels with human conscious metacognition - that is, they may share human's ability to reflect upon,...