- Fewer worms live in mud littered with lots of microplastics. Scientists tracked how animals fared in the polluted sediment for over a year, after 15 months, fewer organisms were found living in the trays with 5 percent polystyrene than in trays with less plastic, largely because fewer Naididae worms https://www.sciencenews.org/article/fewer-worms-live-mud-littered-lots-microplastic-pollution 7 comments science