As humans we need to clean our teeth regularly to prevent cavities, while animals seem to have healthy teeth without using toothbrushes or toothpaste. With humans, we need to clean our teeth regularly ...

Teeth help animals bite and chew food. Meat-eating carnivores tend to have sharp teeth to sink into their prey, while herbivores tend to have flatter teeth to grind down their plant-based meals. Some ...

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 of teeth? – Ivy D., ...