For years, scientists have been able to print living tissue. The problem is that most of it looks more like a sparse sketch than a real organ. In the human body, cells are packed tightly together, ...

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 ...

The brain is probably the least explored organ, much of which is due to the difficulty of studying it in situ rather than in slices under a microscope. Even growing small organoids out of neurons ...