Variety of case studies and projects from control, communication and computing in complex tech, bio, neuro, eco, and socioeconomic networks, particularly smartgrid, internet, sensorimotor control, cell biology, medical physiology, ecosystems, and human and animal social organization. Leveraging universal laws and architectures including laws, layers, levels, diversity, and sweet spots, but adding domain specific details. Optional math and more domain details will be available for each topic, and students are encouraged to pursue one or more in greater depths. CDS 231 focuses on the theory and math motivated by 141.