Seeing is believing. I use zebrafish embryos as a model organism to ”visualize” unsolved mysteries in biology – the role of extracellular vesicles (EVs) in cell-to-cell communication. EVs emerge as a new frontier in molecular cell biology that has the potential to redefine today’s knowledge across many research areas from basic to clinical sciences. My lab is where nanoscience meets zebrafish in search of new therapeutic inspirations by learning, manipulating and mimicking nature’s smart biomolecular architecture, EVs.