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., ...

Baby animals share many similarities with human babies. Baby chimpanzees will cry when their needs aren't being met. All babies love to cuddle up with their moms and look to them for protection. And ...

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 ...