Radio 4 in Four - How to make it sound like you know maths - ÃÛÑ¿´«Ã½ Sounds

Radio 4 in Four - How to make it sound like you know maths - ÃÛÑ¿´«Ã½ Sounds
How to make it sound like you know maths
Psychologist Richard Wiseman demonstrates an excellent (and easy) party trick.