OK, it’s summer (officially), and if you aren’t taking classes you need to keep your brain limber! So test your knowledge:
How may countries can you name? Take the Countries of the World Quiz. This quiz is at an interesting site, where you can branch out to take a variety of other quizzes, like the 50 presidents or European capitals. You can even create your own quizzes.
Or, take the news quiz offered by The New York Times.