PROFILE Frederick Grinnell Professor University of Texas Southwestern Medical Center About informal science Research How to Make Science Fairs More Effective Reinventing Science Fairs High school science fair: Experiences of two groups of undergraduate bioscience students High school science fair: Positive and negative outcomes High school science fair: Ethnicity trends in student participation and experience Everyday Practice of Science: Where Intuition and Passion Meet Objectivity and Logic High school science fair: Student opinions regarding whether participation should be required or optional and why High school science fair and research integrity