People have been learning how to act like a zombie
2 February 2013 Last updated at 11:50 GMT
Have you ever wondered why zombies are so scary? Is it the weird walk, glazed eyes or the fact that they want to eat you?
The made-up monsters are always chasing after people in scary films.
Now the Science Museum in London has been looking into why zombies might act like that.
They've been given people lessons on how to act like a zombie and there's a test you can take to prove you are not one!