If you give them any thought at all, you probably associate them with sewers, cargo ships and maybe animated movies about animals that want to become French chefs. But for almost 200 years, tens of millions of rats have played a central...

Jessi explains what rats are, where they came from, and how to care for them in captivity. Rats are awesome in so many ways!

The history of rat-catching is a lot more fascinating than you might expect, but it's probably just as gross. From sewers to disease to lucrative rat-fighting businesses, rat-catching is definitely the kind of dirty and disgusting job...