Jonathan Brye, left, 11, and Cade Giebel, 10, check the temperature on their designed solar oven as

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Jonathan Brye, left, 11, and Cade Giebel, 10, check the temperature on their designed solar oven as it cooks s’mores on Monday outside Tyson Middle School in Springdale. The boys are participating in the I Do Science Camp, a middle school science camp presented by the GK12 program at the University of Arkansas.