A skeptical survey of the claims of ESP and spiritualism examines the historic experiments that have tried to prove or disprove those claims.

Often seen as supernatural, unpredictable, illusory and possibly dangerous, ESP, telepathy, clairvoyance and other parapsychological activities are actually hap

A skeptical survey of the claims of ESP and spiritualism examines the historic experiments that have tried to prove or disprove those claims.

All attempts to test people's ESP abilities overlook the fact that ESP is an undeveloped function, so we have to learn how to use it to begin with, not just see

Originally published in 1967. Representing the viewpoints of philosophers, psychologists, anthropologists, physicists, psychoanalysts, parapsychologists, psychi