Cycling attractors of coupled cell systems and dynamics with symmetry.- Modelling diversity by chaos and classification by synchronization.- Basic Principles of Direct Chaotic Communications.- Prevalence of Milnor Attractors and Chaotic Itinerancy in 'High'-dimensional Dynamical Systems.- Generalization of the Feigenbaum-Kadanoff-Shenker Renormalization and Critical Phenomena Associated with the Golden Mean Quasiperiodicity.- Synchronization and clustering in ensembles of coupled chaotic oscillators.- Nonlinear Phenomena in Nephron-Nephron Interaction.- Synchrony in Globally Coupled Chaotic, Periodic, and Mixed Ensembles of Dynamical Units.- Phase synchronization of regular and chaotic self-sustained oscillators.- Control of dynamical systems via time-delayed feedback and unstable controller.