Developmental biologists have discovered that during egg development in fruit flies, intercellular gaps open between epithelial cells in a controlled way at the points where three cells meet. This ...

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 ...

A ketogenic diet—one that is high in fat and extremely low in carbohydrates—has been known for decades to reduce seizures in some epilepsy patients. But how the highly restrictive diet achieves these ...