Ventana software support forum

I have been on a forum on MSN over the past year and it works quite well. FYI, the owners were previously on Yahoo, and switched to MSN because of maintenance problems with Yahoo. Advantages and disadvantages to MSN (probably any web forum): 1. Categories can be established. 2. Participants can choo...

>Jay Forrester wrote: >> Mathematicians have had some difficulty defining a derivative, and >> there is a reason. There is no such thing. Nowhere in nature or >> human affairs is a true derivative to be found. Nature only >> integrates or accumulates. No instrument can instantaneously >> measure a r...

Dr. Lucian Leape, Harvard Medical School and School of Public Health, has written a series of articles on these issues over the past 6-8 years. Many can be found in JAMA. They do not include SD models or simulations, but are clearly based on a systems perspective. I am a basic scientitst, not a clin...