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 ...

Around here, running into freezing cold water during the middle of winter has been a thing for years. (Hello, polar plunge in Wildwood!) Some — okay, maybe most — people have scoffed at the act for ...