People need to sleep, and sleep deprivation can cause many changes in the brain. But we have a poor understanding of why sleep is so crucial. New research has examined a fruit fly model to assess how ...

Recent work has revealed some of the many crucial functions of astrocytes, brain cells that were once thought to play primarily supportive roles for neurons. Astrocytes do handle debris around neurons ...

Every day, your body replaces billions of cells—and yet, your tissues stay perfectly organized. How is that possible? Subscribe to our newsletter for the latest sci-tech news updates. A team of ...