Amid the excitement of Super Bowl LIV, which ended with the Kansas City Chiefs' first championship title in fifty years, it may have slipped your mind that yesterday was Groundhog Day. Observed annually on February 2, the fun North American tradition stems from the Pennsylvania Dutch superstition that if a groundhog, emerging from its burrow, sees its shadow, winter will continue for six more weeks. Conversely, the animal's failure to observe one indicates that spring is around the corner.