The most enjoyable conversations strike a balance between exploring a topic and pulling in fresh ideas, study findsAs an early stab at rules for conversation, Cicero did a fine job: watch your tone, never look bored, never lose your temper and never ramble on, particularly about yourself, he advised.Now scientists have followed in the great orator’s footsteps and discovered a telltale signature of an enjoyable chinwag. The secret of a mutually satisfying exchange is a healthy dose of pink noise, they say. Continue reading...