Each glowing cluster in this image resembles a city seen from above at night—distinct, luminous, and alive. What appears to be a view of Earth after dark is in fact the optic lobe of a honeybee brain, illuminated by 130 different messenger RNAs, each shown in its own color. Every point of light marks a single molecular message, and each dense gathering forms a functional unit where neurons share coordinated activity. Rather than relying on cell nuclei to define anatomy, the structure here emerges directly from transcripts. Sweeping, curved bands stretch from right to left, tracing the optic lobe from the outer retina, through the medulla, and into the inner lobula. Between these illuminated hubs, continuous streams of color trace neuronal processes, like roads linking cities, carrying information across layers and regions. These patterns belong to the visual system, where sensory input is transformed into perception. Aggression-related genes are woven into this visual pathway, suggesting that how an animal sees its world may shape how it responds to it. Vision here is not passive reception but active interpretation—built from communication itself, where countless molecular signals travel shared routes to shape behavior.