Some skeptically eye sheer ice and hard-packed snow as hazardous places to slip or crash out of control. But if you tried pegging hope’s fullest potential in degrees Fahrenheit, it would be on H2O at 32 or less–at least for winter athletes racing for Olympic gold. At these temperatures, water that once felt soft as a kitten’s paw or frothy like bubble bath suds hardens into something cold and carvable by skate blades and ski edges.
