skimag.com

pY5Lp TIL that a 2024, 50-year study shows that ski helmets can protect against typical concussions from falling on the snow surface, but not atypical high-speed collisions against trees on blue runs which remain statistically fatal.
OG6AR TIL American ski trail difficulty symbols (Green Squares, Blue Circles, and Black Diamonds) were originally designed and tested for a Walt Disney ski resort concept. The National Ski Areas Association then chose the symbols to standardize nationally on.