The concepts of continents have confused people from their very beginning. Today I try to see if I can do any better at dividing the world up into manageable units.

The World Economic Outlook (WEO) database is created during the biannual WEO exercise, which begins in January and June of each year and results in the April and September/October WEO publication.

For decades, students around the world have memorized the same geography lesson: seven continents, split cleanly by oceans ...