My brain isn’t awake enough to sum this up, but it’s good food for your brain so check it out
http://www.livescience.com/52641-science-of-paranormal-ghosts.html
My brain isn’t awake enough to sum this up, but it’s good food for your brain so check it out
http://www.livescience.com/52641-science-of-paranormal-ghosts.html