Biological and technological evolution "is a spiritual process," says this famous futurist. "Entities become more godlike, never reaching that ideal but moving in that direction exponentially."

Read R & E producer Susan Grandis Goldstein’s June 5, 2007 interview with Michael Sandel in Washington, D.C.

Read Kim Lawton's interview with Gregory Stock, CEO of Signum Biosciences and director of the Medicine, Technology, and Society Program at the UCLA School of Medicine.