James W. Dearing ([email protected]) is a professor in the Department of Communication at Michigan State University, in East Lansing. Jeffrey G. Cox is a research associate in the Department of ...

E. Andrew Balas ([email protected]) is a professor in the College of Allied Health Sciences at Augusta University, in Georgia. Wendy W. Chapman is chair of and a professor in the Department of ...

Diffusion is the movement of particles from a region where they are in high concentration to a region where they are in low concentration, and is one of the ways substances can move across the cell ...

Particles - molecules or ions - in a liquid and a gas are constantly moving randomly. Because of this movement, particles will spread themselves evenly throughout. Diffusion is one of the processes ...