Scientists have found how human cells distribute and maintain their cholesterol levels, aiding in research in neurodegenerative diseases such as Alzheimer's disease, as well as cardiovascular diseases ...

If scientists could shrink themselves to microscopic size and take a journey through the human body—like the submarine crew ...

The human body is often described as a marvel of “perfect design”: elegant, efficient and finely tuned for its purpose. Yet, ...

A computer-generated image of red blood cells. Nitric oxide—known by the formula NO—is so vital for humans’ internal physiological processes that it was crowned Molecule of the Year in 1992. It plays ...