You may not be able to grow bigger muscles out of thin air, but you can 3D print them in microgravity, scientists at ETH Zurich have now established. "3D printing" refers to a type of manufacturing ...

Some parts of the human body are in a state of constant regeneration. Liver cells, for example, are replaced every 300 to 500 days. Fingernails grow every day. But this aptitude rapidly declines when ...

Skeletal muscle is the largest metabolic organ in the body. It is composed of muscle fibers, blood vessels, nerves and connective tissue. In skeletal muscle, blood vessels are responsible for ...

Scientists in Melbourne have discovered how tiny electrical pulses can steer stem cells as they grow, opening the door to new improved ways of creating new tissues, organs, nerves and bones. Dr. Amy ...