Microplastics are a problem that don’t seem to be going away any time soon. Microplastics are tiny plastic pieces that are less than five millimeters large – about one-eighth of an inch. There is a subcategory of microplastics called nanoplastics, which are even smaller. The size of nanoplastics ranges from one nanometer to one micrometer (μm). To put this in perspective, the width of a human being…