Dr Sorcha Knowles and Professor Mike McCork answer science questions. Dennis from Ennis asks if snot is a sign that your brain is melting. Show more
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Dr Sorcha Knowles and Professor Mike McCork answer science questions. Dennis from Ennis asks if snot is a sign that your brain is melting. 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.
