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 ...

Mini-stomach models that produce acid have been grown from human gastric cells, helping researchers study rare digestive diseases and test precise treatments.