Exactly, we all are the same? Just because we study science, we believe there is nothing like paranormal. But you never know. You have not yet known the entire secret of this world, this universe. We have yet to learn a lot. At the beginning of the last century, who would have believed we would be watching television? We shall be. having a phone in our pocket. So don't feel surprised if someone proves it that ghosts exist. If you had such experiences that means you have started to believe in them.