Genome: [r4 Bd=19931115]

Three dots, three dashes, three dots signal SOS, the international distress call. In the first of three programmes Joanna Buchan pursues the development of morse code. Producer Julia Durbin

Genome: [r4 Bd=19931122]

Dots and dashes on a five-line stave - ballet on paper. Joanna Buchan dances through Benesh Movement Notation. Producer Julia Durbin

Genome: [r4 Bd=19931129]

Joanna Buchan examines shorthand. Producer Julia Durbin