Cover photograph (Copyright © 2004, American Society for Microbiology. All Rights Reserved.): Gelsolin localizes to podosomes in porcine aortic endothelial (PAE) cells. PAE cells expressing V12Cdc42 were fixed with paraformaldehyde, permeabilized, and stained with gelsolin (green) antibodies together with phalloidin to label actin filaments (red). Shown is a merged image. (See related article in October 2003, issue 19: vol. 23, p.6809.)