There are lots of things in the folklore, like they can only be killed by a silver bullet, that don't realistically work, if you're trying to say they have existed for hundreds of years, unknown.

Einstein theorized that time travel was possible, but he was looking at it as unidirectional, going forward. Traveling into the past is much more problematic, as countless stories have demonstrated!

Got your text,” he said when I climbed out. “How much did it hurt?” “Not at all,” I said. “Apparently, I can’t get a tattoo because I’m a witch.” “I could have told them-” He stopped. “Oh, you said witch.” “Ha-ha.

To distract myself from thoughts of my father, i decided to check out the dead body.

Murder? You mean he's dead?" "No. He's resting comfortably," I said. "People always sleep best with their heads at a ninety-degree angle. He looks comfortable, doesn't he?" (Paige & Elena)

We scarified a mosquito. I bet that's what did it. It was probably a virgin too.

I let out a laugh that sounded more like the yip of a startled poodle. "Superp-powers? I wish. My powers aren't winning me a slot on the Cartoon Network anytime soon... except as a comic relief. Ghost Whisperer Junior. Or Ghost Screamer, more like it. Tune in, every week, as Chloe Saunders runs screaming from yet another ghost looking for her help." Okay, superpower might be pushing it.