Winters in Norway usually last from October to late May—sound familiar? Norway also has something called the polar night. For about two months, the sun never rises above the horizon, giving way to some of the longest, darkest winters on earth. But to psychologists surprise, rates of seasonal depression there are extremely low for what one would expect. That's why Stanford Doctoral Student Kari Leibowitz went there to learn more. She told Wyoming Public Radio's Maggie Mullen about what she found in a town called Tromsø.