(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 ...

A new study examined baby teeth and found there are critical windows early in a child's life when their developing brains are particularly vulnerable to exposures to metals in the environment.

Everyone has an accent, but how do the ones we have today relate to those of our ancient ancestors and those we had in ...

Warning: this article is about stillbirth and its investigations, including autopsies and related procedures. About six ...

We must also consider what have been called the shadows of the future. Doing so helps to explain why certain longstanding patterns are beginning to change. American women with less education tend to ...

Researchers report that shed baby teeth record prenatal and early-childhood exposure to environmental metals, informing links to later brain measures. In a longitudinal study, scientists analyzed ...

Baby teeth have a value that goes beyond money from the tooth fairy. Scientists say they also hold the key to figuring out what metals in the environment infants were exposed to — and how they affect ...

The tooth of an extinct baby mammoth is considered a rare find in Mississippi and it will be at a museum in June.

“Platypuses are extremely rare in the fossil record and are often restricted to teeth, so it’s exciting to find new material ...

Every human voice is acoustically unique. The anatomy and evolutionary history behind that fact turns out to be one of ...

Why does a sneeze take over your whole face? And why can light trigger it in some people? The answers lie in brain evolution ...

Teeth and bones are both hard, white and heavy with calcium, but that doesn't make them one and the same. From the way they look to how they heal, teeth are quite different from the body's bones.