"In the beginning, they were, like, ‘I’m going to do this on my own.’ Now they work as a group," said social studies teacher Jen Hicks. Because the topics are varied, different individuals get the chance to shine. "The kids raise their shoulders. Diet and acne Back in the early 1900s it was believed that the food you eat could give you spots. But by the 1960s and 1970s a…