Yamal and Messi aren’t the only stars of the World Cup finals. If you’ve been watching any of the games, you’ve probably stared directly at a huge, unsung hero: the turf. Turf grass science is a real thing, and it’s John Sorochan’s area of expertise. He’s a scientist at the University of Tennessee at Knoxville, and he’s spent the last eight years preparing for the grass pitch the players are scoring on. John had the daunting task of figuring out how to create consistency and uniformity across all the World Cup stadiums. That meant dozens of team base camps and 16 different stadiums where turf had to weather all kinds of conditions – from Mexico City’s high altitude, to Miami’s sweltering heat. Today on Short Wave, we dive into the science behind it all. 

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