The Scandinavians have been doing it for aeons – they hygge (different languages use different terms but “hygge” is the one that English speakers are most familiar with). Hygge makes a space cosy and a wonderful place to spend a long, dark evening—and there’s a lot of scientific support for how the North people have been doing it for generations, long before there was much of what we currently think of as “science” even around. According to tradition, and to…