We live in a plastic-coated world. Sure, there are the obvious bits and pieces — the straws, the plastic bags, a seemingly never-ending stream of packaging — but a lot of the plastic in our lives is too small to notice. Microplastics, or plastics that are smaller than five millimeters, are just about everywhere. They’re in the air you breathe , the tea you drink , and even the food you eat. Some microplastics are easily washed off clothes or sent down the drain as people rinse away cosmetic