Why Do Frozen Lakes and Rivers Sound So Creepy?

Brigitta Green from the perennial winter wonderland of Minnesota has a fitting question for us about ice. After a mysterious, late night howling sound caused “mass slight curiosity” on the streets of St. Paul last winter, she wants to know how it is that a frozen body of water can produce such an eery noise. Chris Polashenski, Arctic researcher and expert on all things cold, has our answer.