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.

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