Microplastics and nanoplastics are now found everywhere on Earth, from ocean depths to agricultural soils and even inside the human body. Yet scientists still struggle to understand what these ...

Microplastics are no longer a distant environmental issue—they are part of daily life. These microscopic plastic particles have been found in drinking water, food, household dust, and even human blood ...

The human body has always been crowded with microscopic passengers, from bacteria to viruses and fungi. Over the past two years, however, researchers have started to realize that this familiar cast ...