ALLEGRA BOVERMAN/Staff photo. Gloucester Daily Times. Gloucester: Science Club at Sawyer Free Library met for its last session of the summer on Tuesday. They will restart in September. Participants, including Annika Vanderberg, 10, left, and Sophia Hogan-Lopez, 10, created colorful foam pouring out of a bottle in an exothermic, or heat-producing experiment. The group did not tire of this fountain of foam and created it repeatedly.

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