If you believe in ghosts, you are far from alone. Around 45% of Americans believe in ghosts and as many as 18% of people will go so far as to say they have had contact with a ghost. I will also admit to spooking myself out on occasion when my dog has refused to stop barking at what appears to be an empty corner of the house.
But what makes us feel like we are in the presence of a supernatural spirit? Are there possible scientific explanations for that tingling sensation you get on the back of your neck, or the sudden feeling of uneasiness with an origin you can’t quite place? Let’s investigate six possible explanations for that paranormal feeling that are rooted in science rather than the supernatural.
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