Researchers have discovered microplastics and nanoplastics in the human brain, reproductive organs, and other vital systems.

Snakes don’t bite and chew like we do. They swallow their food whole, sometimes animals many times bigger than their heads and rely on a digestive system that’s radically different from ours. From ...

Snakes possess a remarkable digestive system, radically different from humans, enabling them to swallow prey whole, sometimes many times larger than their heads. Their flexible jaws, potent stomach ...

Doctors may one day save lives with oxygen delivered through the rectum instead of the lungs. A first human trial shows the ...

The reason we humans have fingers today may all be thanks to a fish's clacker. New research into the origins of digit ...