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Shutterstock Exosomes are small vesicles released by cells, which contain proteins and genetic materials. They are thought to be involved in various life activities, but current techniques to observe them are expensive and time-consuming. In a recent study, a team of undergraduate students from DGIST, Korea, proved the convenience and effectiveness of laser-based technique in identifying exosomes using exosomes from a less studied cancer type, paving the way for future exosome research. Despite our great progress in understanding various cellular mechanisms over the last decades, many of them remain unclear. Such is the case for exosomes, small vesicles released by cells that contain genetic materials called “RNA” and various proteins. The roles of exosomes are believed to be very varied and important, both for normal bodily functions and also in the spreading of diseases like cancer. However, exosomes are so small that studying them is challenging and calls for costly ....