New evidence suggests that certain early human ancestors rarely consumed meat, adding new information to the timeline of ...

Our second baby teeth chart shows a typical timeline which each tooth is expected to emerge. This way, you can anticipate when new teeth might start coming in so you can be prepared for teething.

When you think about sharks, the first thing that might come to mind are huge jaws filled with rows of deadly-looking teeth. But shark teeth come in many shapes and sizes. They can tell us how these ...