News Groups and List Processors: Directory : Groups  bionet.biophysics: Usenet Group for Biophysics [via Google] sci.fractals: Usenet Group for Fractal Geometry [via Google] sci.nonlinear: Usenet Group for Nonlinear Systems Science [via Google]. sci.systems: Usenet Group for General Systems Theory [via Google]. List processor "Medizinische Kybernetik": Discussion List for German-speaking scientists.