In order to investigate the activity of neuronal structures as well as the interaction of nerve cells, minimally invasive technologies providing images from delicate deep-brain tissues are required. A ...

Electron microscope image of a nerve fiber with myelin (in black) in the optic nerve of an MS patient. In yellow, the spaces between myelin layers that are enlarged in MS) Disclaimer: AAAS and ...

Microscopes have long been scientists’ eyes into the unseen, revealing everything from bustling cells to viruses and nanoscale structures. However, even the most powerful optical microscopes have been ...