Quick: imagine what happens after you die. Will you still be able to think and feel? Will you experience pain, pleasure, or sensations, and will you still develop, change, and grow? Around the world, people seem to be hardwired to think about humans dualistically, or as composed of physical bodies and nonphysical minds or spirits. This means that ideas about the afterlife and the soul may come as naturally to us as breathing. But a pair of psychologists from California think that the situation is more complicated – we may be innately predisposed to differentiate not just between body and mind, but between mortal mind and immortal spirit.