Nichols Middle School teacher Jessica Johnson of Canton, left, and Madison County Academic Options Center teacher Terkedia Morgan-Martin of Byram, right, work on an incline plane with MSU physics instructor Josh Winter during Teacher Academy in Natural Sciences activities last week. TANS is a professional development program for teachers offering summer sessions exploring physical science, chemistry and earth science that utilizes the talents of Mississippi State's Chemistry, Geosciences and Physics and Astronomy departments.