Cover photograph (Copyright © 2004, American Society for Microbiology. All Rights Reserved.): Nck (green) is predominantly found in the somata of primary neurons, while Dab1 (red) is found in the somata and cell processes of neurons. Colocalization of Nck and Dab1 (yellow) is observed in the cell somata but not the processes of unstimulated cells. After Reelin stimulation, Nck redistributes into the processes, where it colocalizes with Dab1. (See related article in October 2003, issue 20: vol. 23, p. 7210.)