Newburyport: Grace Daigle, 5, sips down a purple liquid that she and her kindergarten classmates in Robin O'Malley's class at the Brown School thought was grapejuice. The kindergartner knew after two sips that it was actually lemonade which was dyed purple. Newburyport High sophomores Sasha Beck and Leah Petty, both 15, were is the class doing a science experiment seeing how much color affects the youngsters' perception of taste. Bryan Eaton/Staff Photo

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