Most people hear the word "vampire" and they think of shady, nocturnal characters with capes and pointed teeth. But that's all pretend...right? Wrong! Blood-thirsty creatures are real—but not in the ways you might be imagining them! In fact, there are trillions of vampires creeping, crawling, swimming, buzzing and even flying among us. Whether they are the fleas that love your pets as much as you do, the bedbugs that snuggle in with you at night, the lampreys that eat your fi