Microplastics are messing with the microbiomes of seabirds

Tiny pieces of plastic are everywhere. They’re in the air we breathe, the water we drink, and the food we eat. By one estimate, some people ingest around a credit card’s worth of plastic every week. Microplastics have been found in human blood, placentas, and feces. But we don’t fully understand what all these minuscule…