(CNN) — Scientists have detected microplastics — the tiny and pervasive fragments now found in our seas, drinking water, food and, increasingly, living tissue — in human semen and follicular fluid, ...

When we talk about climate change, we tend to focus on its more tangible effects: extreme heat, ocean warming, melting glaciers, and so on. But anywhere from 500 meters to a few kilometers beneath our ...

The use of human body fluids in undergraduate laboratories is now being questioned. Some scientists in academia no longer condone the use of human blood in laboratories because of the risk of ...

An Iran-based research team collected urine, mucus, and lung lavage fluid samples from 30 participants who suffered from respiratory illnesses. They found a total of 490 microplastics in the samples, ...