Up First from NPR Cheating in the most-polite sport, curling and what is "sledhead?"
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Feb 16, 2026 
Emily Kwong, science communicator explaining sled head and brain risks in sliding sports. Ruth Sherlock, international reporter on environmental and construction controversies in Cortina. Ping Huang, on-the-ground reporter covering curling rules, the hog line scandal, and speed skating highlights. They discuss curling’s controversial call, sustainability concerns around venues, and the science of high-speed sliding injuries.
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Spirit Of Curling Shapes The Controversy
- Curling's unwritten "spirit of curling" expects players to self-report fouls, making alleged touches culturally significant.
- The Canada–Sweden dispute rattled that norm and sparked rule clarifications and heated public reaction.
Touching The Rock Changes The Game
- A key issue was alleged finger contact with the stone past the hog line, which players must avoid.
- World Curling later clarified you must never touch a rock in forward motion, though officials didn't use replay to retroactively call it.
Live TV Outburst From A Canadian Curler
- Mark Kennedy of Team Canada swore at the Swedish team on live TV after the accusation.
- The exchange shocked fans because curling is usually polite, amplifying the scandal online.