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More 4 - Sunday 16th August 2020 - 08:55
More favourite investigations. Kate and Helen explore vanilla, and in the Netherlands, Matt investigates the myth that Edam balls were once used as emergency cannon balls! (S17 Ep4)
More 4 - Tuesday 18th August 2020 - 03:20
A selection of favourite investigations. Kate Quilton visits McVitie's to ask why biscuits have little holes all over them. Jimmy Doherty finds out how wine bottle corks are made. (S17 Ep5)