The goal of CTisus is to improve the education of radiologists, radiology technologists, and other professionals in the principles and practice of CT scanning (computed tomography), to enhance our work we now present Podcasting as a form of rapid communication to supplement and enhance the materials found on CTisus. The goal of our Podcasting is to provide our users with cutting edge information with a rapid turnaround time. It will also provide the opportunity for us to address topics of interest of our users and expand on some of the uniqueness, for example, of Ask the Fish. Less