https://www.sciencenews.org/article/polar-plunges-swimming-icy-cold-water
Polar plunges aren’t just for the daring
Dec 17, 2025 - Bragging rights and an adrenaline rush aren’t the only reasons to start the year with a frigid swim. A dip in icy water builds resilience.
for the daringpolar plunges
https://www.foxweather.com/extreme-weather/wind-chill-boston-coldest-morning-decades
Polar vortex plunges Boston into record coldest morning in decades with -39 degree wind chills |...
Feb 4, 2023 - What a morning in Boston, where the brutal cold from a polar vortex invading the Northeast has pushed down the door for a very unwelcome weekend.
polar vortexwind chills