As the plant root grows, a root cap protects its fragile tip. Every few hours, the old cap is lost and a new one replaces it. Researchers have now, for the first time, observed regular cycles of root ...

This video of what happens when you get a root canal will have you vowing to floss twice a day, every day, for the rest of your life. According to the American Association of Endodontists (AAE), there ...