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What are those worms doing in bottles of tequila? How do you stop carp tasting of mud? And what's the difference between tangerines, mandarins, satsumas and clementines?
Kate visits Rome to find out what the difference is between gelato and ice cream. Are dark rum and white rum made with different ingredients? Why do mints make your mouth cold?
Jimmy, Kate and Matt present some of their favourite investigations. Do prunes help you stay regular? Why are there holes in Swiss cheese? Plus, black pepper.