Radio 4 in Four - How do you keep your sense of balance? - ÃÛÑ¿´«Ã½ Sounds

Radio 4 in Four - How do you keep your sense of balance? - ÃÛÑ¿´«Ã½ Sounds
How do you keep your sense of balance?
The strange workings of the 3 senses involved in the simple task of getting to our feet.