The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

In a world-first, scientists at Tel Aviv University have successfully 3D printed a tiny human heart using real human cells. This innovation could reshape the future of organ transplants, offering a ...

Science writer Mary Roach is fascinated by the human body, especially, she says, the "gooey bits and pieces of us that are performing miracles on a daily basis." Take the human heart, for instance. If ...

Working with the European Aeronautics Defense & Space (EADS) — best known as the maker of the Airbus jet — French researchers have developed a pioneering new artificial heart. Dr. Alain Carpentier, ...

Everywhere scientists look for microplastics, they've found them -- food, water, air and some parts of the human body. But examinations of our innermost organs that aren't directly exposed to the ...

Microplastics, which are less than 5 millimeters wide -- or about the size of a pencil eraser, can enter the human body through the mouth, nose and other body cavities. Getty Images This might make ...