Feelings of oneness with other people, nature, and the universe. Encounters with extraterrestrials, deities, and demons. Out-of-body experiences and past-life memories. Science casts a skeptical eye. But Dr. Stanislav Grof-the psychiatric researcher who cofounded transpersonal psychology-believes otherwise. When the Impossible Happens presents Dr. Grof 's mesmerizing firsthand account of over 50 years of inquiry into waters uncharted by classical...