What does it mean to be alive in a body that extends beyond its skin? The ancient Egyptians had a word for this: ka, the vital double, the life force that reaches into realms the ordinary senses cannot map. In the funerary texts we call the Book of the Dead, the ka is not a metaphor. It is a field of presence, a subtle body that requires nourishment, protection, and direction. The priests who tended temples and tombs were not merely administrators of ritual. They were attendants to the invisible, men and women who learned to sense what the ka needed, to locate the waters and energies that sustain life…