Dr. Allan J. Hamilton, M.D. joins Dr. Bob to discuss his experiences witnessing near-death experiences, premonitions, and other unexplained events in over 30 years as a neurosurgeon and how these experiences changed his perception of medicine, life, and the human spirit. These stories are shared in his book The Scalpel and the Soul: Encounters with Surgery, the Supernatural, and the Healing Power of Hope.

To hear the full interview with Dr. Hamilton, head to 21stcenturyradio.com.

In this 1988 interview, Drs. Bob and Zoh talk with energetic healer, educator, author, and former NASA physicist Barbara Brennan about her research on the human energetic field. Brennan describes the nature of the aura, how it's been measured, and leads listeners through an exercise to see their own energy. A caller also shares his experience seeing the human aura. At the time, Brennan had just released her highly influential book Hands of Light: A Guide to Healing the Human Energy Field which is available now through the Barbara Brennan School of Healing.

Full episode available to stream on the Hieronimus & Co archive.

Pioneering parapsychology research, psychic, and author Ingo Swann talks to Dr. Bob about his iconic work Penetration: The Question of Extraterrestrial and Human Telepathy. Originally recorded in 1999, this show features more of Swann's backstory as a participant in government-funded research and development of remote viewing practices, as well as developing theories of extraterrestrial and human telepathic abilities.

In the 2-hour interview, Swann also covers a particularly emotional UFO experience. To hear this special interview in its entirety, head to 21stcenturyradio.com/archive.