LifeRude awakenings: How swearing made us human Our crudest outbursts can unravel ancient links between words and thoughts. They may even hint at our ancestors' first utterances, finds Tiffany O'CallaghanFeatures
LifeSleeping daredevil: The first dream hacker Modern dream research has a lot to learn from the century-old exploits of an eccentric French marquis, finds David RobsonFeatures