Disregard what you learned in geography class—Earth may not have seven continents after all. From the earliest of grades, schoolchildren around the world have memorized the same lineup: Africa, ...

If you once failed geography class, have no fear -- because the world map you were studying wasn't even accurate. Don't freak out, though: The world is still round and there are still seven continents ...

Russell McLendon is a science writer with expertise in the natural environment, humans, and wildlife. He holds degrees in journalism and environmental anthropology. Like all planets, Earth isn't flat.