Researchers used a blood protein wash to render brain tissue transparent down to 700 µm, witnessing live-firing activity ...

Water makes up around 60% of the human body. More than half of this water is inside the cells that make up organs and tissues, and much of the remaining water flows in the spaces between cells. MIT ...

Water makes up around 60 percent of the human body. More than half of this water sloshes around inside the cells that make up organs and tissues. Much of the remaining water flows in the nooks and ...

The fluid between our cells could be used to diagnose and monitor health conditions. A patch made of tiny needles can sample this liquid and could be easier to use and less invasive than normal blood ...

Painful arthritic knees could be treated by injections of a lubricating fluid that mimics a natural version found in joints. The fluid allows the damaged joints to repair themselves and has been shown ...