Every summer, a pool of very cold and salty water, called the cold pool, forms near the seafloor due to the melting of the winter sea ice. The cold pool’s annual extent affects many aspects of the ...

Hot air rises, cold air sinks. It's a basic tenet of nature. Because it sinks, cold air often finds depressions or low-lying terrain, like a valley or basin, in which to collect, particularly at night ...

Cold plunges have gone from fringe curiosity to full-blown cultural phenomenon, the wellness world’s equivalent of a headline-grabbing breakout star. Adherents slip into icy water on a daily basis, ...