The Rhine Research Center in Durham is one of the last institutes in the country devoted to studying parapsychology. Founded by Duke professor Joseph B. Rhine, the center study telepathy, clairvoyance, precognition, psychokinesis, the survival of human personalities existing outside a physical form (ghosts or spirts). The center attempts to quantify their research and also includes the Alex Tanous Library. The library has one of the five largest collections in the country of parapsychological and occult literature. In addition to research, the center offers online educational courses and two monthly public workshops, and organizes various groups.