Nuclear Science Merit Badge Camp, February 15, 2014

St Francis 6h-grader Wyatt Boot intently listens to instruction during the Nuclear Science Merit Badge Camp at the Cedar Rapids Science Center on Saturday, February 15, 2014. Duane Arnold Energy Center employees volunteered their time to teach local boy scouts about nuclear energy with demonstrations of nuclear half-life and use of radiation monitoring equipment. (Justin Torner/Freelance for the Gazette)