Dr Sorcha Knowles and Professor Mike McCork are on hand to answer all your most pressing science questions. Does a boomerang always come back? Show more
Discover 10,329,562 listings and 247,435 playable programmes from the BBC
Dr Sorcha Knowles and Professor Mike McCork are on hand to answer all your most pressing science questions. Does a boomerang always come back? 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.
