The human body is remarkable in its ability to repair and regenerate damaged tissues. Whether it's a cut on the skin or a broken bone, the body kicks into gear to heal and restore. However, there is ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Two teeth from a ...

While bones can regrow themselves when they break, teeth aren’t so lucky, and that leads to millions of people worldwide suffering from some form of edentulism, a.k.a. toothlessness. Now, Japanese ...

A small collection of 21 teeth may have big implications for the evolution of humans in Asia. The dentition, which comes from a mystery human ancestor that lived at least 300,000 years ago in China, ...