(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 [email protected]. Why do people have two sets ...

From baby teeth to ‘conveyor belt’ molars, here’s why humans—and other mammals –grow and replace their teeth in such ...

Qamariya Nasrullah does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...