who knows
Open your mind and release all of the instilled beliefs society has placed upon you regarding these matters - remove the stigma associated to them. We certainly do not possess all the answers of the universe, there are sciences we have yet to understand, and our ignorance and arrogance as a race shows when we are quick to dismiss such matters.
As stated by those before me. . . . .We are not human beings having a spiritual experience - we are spiritual beings having a human experience.