Indagine sulla parapsicologia

Piero Angela extraordinary investigation on paranormal phenomena, with the aim of verifying their authenticity from a scientific point of view. The preparatory work lasted over a year, during which Angela interviewed scientists and researchers in parapsychology on the alleged abilities of mediums, clairvoyants, healers and the like: a particular contribution came from the magician James Randi, specialized in replicating the tricks of self-styled magicians and psychics in order to demonstrate the non-existence of their "psychic powers".