A simple light-based method is uncovering hidden fiber networks inside the brain and body, even in tissue slides over 100 years old.

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 ...

UNIVERSITY PARK, Pa.— When you press your finger against your skin, the tissue underneath temporarily stiffens to resist the pressure. Cut yourself, and your tissue gradually heals. These seemingly ...