Organ transplants might never be the same again. Scientists have successfully 3D printed a human heart, marking a huge leap ...

In 1982, the first artificial heart gave a man 112 borrowed days. In 2025, science went further. A man walked out of an Australian hospital with no human heart in his chest - only a titanium device ...

As blood flows back into Katlyn's heart, its warmth and nutrients ... a depiction of the inner workings of the human eye by combining CGI with a real life story of divers who can see clearly ...

In the attempt to calculate the power of the human heart for a given time, we shall arrive at some curious and interesting, not to say astonishing results. Few would credit, at first, the ...

This clip is an introduction to the human ... heart and on to the lungs. In the lungs the blood passes through very small blood vessels and absorbs oxygen. The freshly oxygenated blood is pumped ...