Amid the thunderous roar of an Antarctic ice shelf breaking apart, a drilling machine pulled a bronze arrowhead from beneath three thousand meters of ice. The detector showed temporal distortions on the metal's surface that carbon dating could not explain. The character "Jun," etched into the arrow's tail, glowed an eerie blue inside the liquid nitrogen chamber. The expedition leader took off his frost mask. On the screen, the title of a paper in Nature was flashing: "Remains of a Prehistoric Super-Civilization Rewrite the History of Human Migration."
