George Tuthill is a professor in Montana State University's Physics Department. He is interested in how young people learn about science and learn to do science, and has helped to organize Base Camp Earth. When he's not working with the National Teachers Enhancement Network, his scientific interests are in the physics of materials - how atomic-scale properties determine the behavior of solids and liquids.

Regarding the Base Camp Earth experience, he writes, "The ecological footprint idea has led me to do a lot of thinking about my own behavior, and the things we do as a family. I think my bicycle is going to be used a lot more this year."

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