Most vertebrates in the animal kingdom sport tails of some sort. Birds and fish use their tails as steering mechanisms to glide through air and water respectively, geckos use their tails to store fat, ...

Q. My third-grader came up with these two questions: Which animals do not have tails? How many different ways do animals use tails? A. Most vertebrates, that is, animals with a backbone, have an ...

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. As these fish evolved into creatures that lived ...