As part of National Science Week, Blue Peter answers viewers' science questions and tries out a new invention.
Plus there's a profile of the first woman to graduate from medical school.
(Repeated tomorrow at 7.50am on BBC2)
(S) (W)
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As part of National Science Week, Blue Peter answers viewers' science questions and tries out a new invention.
Plus there's a profile of the first woman to graduate from medical school.
(Repeated tomorrow at 7.50am on BBC2)
(S) (W)