How is consciousness possible? What biological purpose does it serve? Why do we value it so highly? In Soul Dust the psychologist Nicholas Humphrey, a leading figure in consciousness research, returns to the front-line with a startling new theory. Consciousness, he argues, is nothing less than a mag[...]

How is consciousness possible? What biological purpose does it serve? And why do we value it so highly? In "Soul Dust", the psychologist Nicholas Humphrey, a leading figure in consciousness research, proposes a startling new theory. Consciousness, he argues, is nothing less than a magical-mystery sh[...]