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 ...

It’s not surprising that many people fear the dentist. Replacing a tooth often requires invasive surgery and implanting a titanium screw into a patient’s jawbone, then waiting months for that to ...

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 ...

Human teeth that were worn as pendants were unearthed from the ruins of the 9,000-year-old Turkish city Çatalhöyük. This is the first documented case of human teeth being made into jewelry in the Near ...