Amaris Montoya of Talewise blows soap bubbles full of sublimating dry ice over volunteers during a Science Heroes program at the Athol Public Library on Thursday, March 14. The program is sponsored by the Athol Cultural Council. Staff PhotoS/Paul Franz

Amaris Montoya of Talewise pours sublimating dry ice over volunteers during the Science Heroes program at Athol Public Library on March 14. Staff Photos/Paul Franz

Amaris Montoya of Talewise pours dry ice water vapor over those attending a Science Heroes program at the Athol Public Library on March 14. The program is sponsored by the Athol Cultural Council. Staff Photo/Paul Franz