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Microplastics are a problem that doesn’t seem to be going away anytime soon. Microplastics are small plastic pieces that are less than five millimeters big — about one-eighth of an inch. There’s a subcategory of microplastics called nanoplastics, which are even smaller. Nanoplastics range from one nanometer in size to one micrometer (μm). To put that into perspective, the width of a single human…
