Perhaps naive or foolish, but I would love to understand why nervous systems emerged in nature? What selection pressures drive the diversity in nervous system organization? How do such features facilitate animal behavior, physiology and ecology? Plus, the nervous system is beautiful so why not!
Project: The evolution of neuron types in the bilaterian apical nervous system
What did the forebrain look like (and what is it comprised of) in early evolving animals with whom we share a common ancestor?