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 ...

Seven per cent of pet dogs – mostly small, “toy” breeds – have doubled-up teeth, reminiscent of sharks’ mouths. The condition, known as persistent deciduous teeth, occurs when the dog’s baby teeth ...

Marin A. Pilloud, Ph.D., is an associate professor at the University of Nevada, Reno in the Department of Anthropology. Prior to this appointment, she was a forensic anthropologist with the Defense ...

What causes the growth of new teeth at my current age? I am a 74-year-old woman in good medical health except for a transient ischemic attack (TIA). Generally, I feel well and keep active. I noticed ...

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 of teeth? – Ivy D., ...