The secrets of Hearts’ success: How they use Tony Bloom’s algorithm to turn unknowns into stars, Derek McInnes’ strict weight-loss demands for his squad and why runaway leaders believe they can take down Celtic and Rangers for good

Hearts’ lead over second-placed Celtic is their largest in the top flight since the 1957-58 season and their fans are at least daring to dream, even while history is screaming at them to be wary...