(The Conversation) – Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Why do people have two sets ...

We learned something was wrong from a routine X-ray image. There were my son’s baby teeth and gums. And then, below, there should have been a row of “tooth buds,” the dentist explained. The term made ...

Baby teeth are the first set of teeth a person grows. A full set of adult teeth replaces most people’s baby teeth. In some instances, a person may have a baby tooth that does not fall out and remains ...

The human body is remarkably good at handling repairs. Cut the skin, and the blood will clot over the wound and the healing process begins. Break a bone, and the body will knit it back together as ...