What does it really mean when something is "Dickensian"? Or "Kafkaesque"? Sometimes these words are overused to the point where they lose their meaning. Here's how these and 6 other words got their origin.
Dreams might be a whole lot sexier than we thought – but not because of their narrative content. Neurologist Patrick McNamara's theory links the biological changes in our brains during sleep to human's inherent desire to procreate.