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7 of the 10 Largest Cities in Europe Are Capitals

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Although many major European cities are considered iconic, none of them break into the top 10 most populous cities in the world. The cities with the highest populations are spread through Asia, North America and Africa; the largest cities in Europe simply can't compete with those numbers.

How Mobile Web Pages Work

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Mobile Web pages allow you to view the Internet better on your smartphone. Learn about mobile Web page technology at HowStuffWorks.

How the Wii Works

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The Wii has changed the way video games are played. Learn more about the Wii at HowStuffWorks.

The Land Down Under: The Australian Geography Quiz

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You may already know that the Australian continent includes the Australian mainland and nearby islands, but how well-versed are you in some of the finer details of its geography? Test your knowledge of the "land down under" with this Australian geography quiz.

What's Your UK IQ?

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Knowing the British Isles and Northern Ireland well can be the work of a lifetime - and you need a pretty fine mind to truly understand it. Just how clever are you when it comes to the UK?

The 'Dallas' TV Show Quiz

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"Dallas" was one of the most popular prime-time dramas of all time, spanning 13 years of network programming. Do you know who shot J.R.? Test your mettle with this quiz.

How Warp Speed Works

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Warp speed would enable you to travel faster than the speed of light. Learn about warp speed and whether it's a scientific possibility or just a sci-fi dream.

Landmarks Trivia Quiz: Level 1

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The Eiffel Tower, Statue of Liberty and Mt. Everest are three of the most famous landmarks in the world, but can you locate them on a map? Test your world knowledge and see if you can pass Landmarks Trivia 101.

What are the hormonal changes during adolescence?

lifestyle.howstuffworks.com/family/parenting/tweens-teens/hormonal-changes-during-adolescence.htm

What are the hormonal changes during adolescence? Learn about the hormonal changes during adolescence from this article.

Can You Name the Country From a Well-Known Fact?

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The world is filled with colorful cultures and geography. From the Grand Canyon to the Great Wall, can you name these countries from one famous fact about the area?

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