not as certainty, but as surprise.… Coin tosses had survived empires, religions, and supercomputers. On a humid evening in the summer of 2026, moments before a FIFA World Cup match, the referee stood at midfield and held a coin between thumb and forefinger. Millions watched. The captains stared at the spinning disk. “Heads.” The coin struck the grass. Heads. A roar rose from one half of the stadium. The other half barely noticed. The right to choose kickoff or side was a trivial matter. Yet for nearly two centuries, humanity had entrusted such decisions to a ritual older than modern statistics itself. In the crowd sat Dr. Rina Aoyama, a researcher in statistical physics. She smiled whenever commentators called a coin toss “a fifty-fifty chance.” Not because it was wrong. Because nobody could prove it. The next morning, Rina addressed a symposium at the International Institute for Complex Systems. A giant image of a coin fi...