Doctor Knowles and Professor McCork get to the bottom of some of life's most massive science questions. Knowles and McCork ask, why does my voice sound different recorded? Show more
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Doctor Knowles and Professor McCork get to the bottom of some of life's most massive science questions. Knowles and McCork ask, why does my voice sound different recorded? Show more
CBBC is the BBC's multiplatform offering for 6-12 year olds bringing the very best drama, entertainment and factual programmes to its young viewers.
