“Most Canadians live south of Seattle,” my editor Alex writes. “You probably knew this, but have you ever done a map on that?” I’m pretty sure I have, some years ago on the Strange Maps Facebook page. As I try to locate that particular post, it gets me thinking about other examples of this phenomenon. Other examples include the counterintuitive fact that Canada extends as far south as California, and the equally unexpected fact that New York City, on the east coast of North America, is actually located to the…