Toothpaste, ketchup and water are just some of the fluids that will be analyzed during the next CU Wizards show "Go With the Flow" on Saturday, Dec. 29, at 9:30 a.m. in the Cristol Chemistry and Biochemistry Building, room 140. University of Colorado at ºù«ÍÞÊÓƵ faculty members Janet deGrazia, of chemical engineering, and Brian Argrow, of aerospace engineering, will investigate the mysterious properties of several kinds of fluids, some of which move very slowly and others that move at supersonic speeds.