Brian Keating is a cosmologist, author, and host of the "Into the Impossible" Podcast. He is well known for his books "Losing the Noble Prize" and "Into the Impossible". Bernardo Kastrup is an idealist philosopher and the executive director of Essentia Foundation. His work has been leading the modern renaissance of metaphysical idealism, the notion that reality is essentially mental. In this episode, we discuss the common areas and differences between their fields, such as the mind-body problem, cosmology, and the use of psychedelics.