The hazards associated with microplastic pollution are becoming increasingly recognized. However, one study suggests that researchers have misjudged the impacts of nanoplastics — the insidiously ...

This film explores the complex process of human digestion, detailing how food is broken down into molecules by the digestive system. It follows the journey of food from the mouth, where it is chewed ...

Peering into the jungle of microbes that live within us, researchers have stumbled across what seem to be an entire new class of virus-like objects. "It's insane," says University of North Carolina ...

This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...

The digestive system does far more than simply process food. This complex network serves as the foundation for overall health, influencing everything from immune function and brain health to energy ...