"What?" Pongpianskul blinked. Then the memory seemed to ooze up within him, buried under decades. "Kelp," he said. "‘The earth-ocean wonder plant.’" He was quoting himself. "‘You wonder, friends, why your catalytic balances vary...The answer is kelp, the sea-born wonder plant, now genetically altered to grow and flourish in the primeval brine from which blood itself derives...’ My God, I’d forgotten entirely."