DURHAM, N.C. -- It might look like a comet or a shooting star, but this time-lapse video is actually a tiny plant root, not much thicker than a human hair, magnified hundreds of times as it grows ...

Your skin is in a constant state of reinvention. Every month, your body sheds and regenerates its entire outer layer—a complete turnover powered by tiny, tireless stem cells. These same cells spring ...

An illustration of a brain cell in a person with Alzheimer's disease, showing the accumulation and clumping of tau proteins (blue squiggles) in the cytoplasm of a brain cell. Protein clumps, also ...

Researchers have captured time-lapse videos of stem cells dividing in growing plant roots. By watching how the cells divide in response to certain chemical signals over time, the team is uncovering ...

Many neurodegenerative diseases, such as dementia, are characterized by the abnormal aggregation of proteins inside cells, and treatments are being developed to break them up. But new research ...