Dr Sorcha Knowles and Professor Mike McCork answer children's most pressing science questions - from the weird and wonderful to the downright silly

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Series 2 Is it True that We Only Use 10 per cent of Our Brains?

8/10 Fiona from Athlonea asks 'is it true that we only use 10 per cent of our brains?'.

Sun 23 Dec 2012 15:27 CBBC

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