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 ...

Lemurs, lizards, whales — all are famed for their tails in some way. But which animal has the longest tail of all? In proportion to their bodies, grass lizards have the longest tails of any known ...