LifeThink fast – you're a physics genius Some snap decisions are surprisingly smart. That's because a little scientist inside your head takes care of the maths, argues philosopher Michael StrevensOpinion
HumansHow the prisoner's dilemma changes diners' etiquette Artichoke and parmesan salad or chicken's foot soup? Jacob Aron attends a bizarre banquet to find out what happens when betrayal and trust set the menu CultureLab