Medical Mouse

Teaching stroke patients to sing "rewires" their brains, helping them recover their speech, say scientists

It sounds too good to be true: a non-toxic spray invisible to the human eye that protects almost any surface against dirt and bacteria, whether it is hospital
equipment and medical bandages or ancient stone monuments and expensive fabrics.

But true it is. The spray is a form of "liquid glass" and is harmless to living things and the wider environment. It is being touted as one of the most important, environmentally-friendly products to emerge from the field of nanotechnology, which deals in objects at the molecular end of the size scale.