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How Many Can You Get Right on This British Geography Quiz?
play.howstuffworks.com/quiz/many-get-right-this-british-geography-quiz
If you can do more than identify where London is on a map, you're probably ahead of most people. Let's find out how you do on this British geography quiz!
10 Cool Engineering Tricks the Romans Taught Us
science.howstuffworks.com/engineering/structural/10-roman-engineering-tricks.htm
When it came to building or improving things, the ancient Romans really knew their stuff. Which cool engineering tricks did they pass along to us?
Are There Diamonds in the Ocean?
science.howstuffworks.com/environmental/ocean-diamonds.htm
Not all diamonds are found on dry land. Many turn up in sediments below the ocean's surface. You just have to know where to look.
How Ocean Currents Work
science.howstuffworks.com/environmental/earth/oceanography/ocean-current.htm
Ocean currents may be driven by tides, winds or differences in density. Learn how ocean currents affect marine transportation and nutrient cycling.
Can You Match the National Park to the U.S. State?
play.howstuffworks.com/quiz/can-you-match-the-national-park-to-the-us-state
There's so much more to America than fascinating buildings and elaborate cityscapes. This U.S. national parks quiz showcases nature's outstanding design achievements. Prepare to be wowed by stunning facts and photos!
The Origins of the Steamship
science.howstuffworks.com/innovation/inventions/steamship.htm
Steamships quickly replaced sails in the early 1800s. Learn more about the origins of steamships and the innovations that led to their creation.
Why do tigers swim?
animals.howstuffworks.com/mammals/swimming-tigers.htm
Tigers swim in order to cool off, trap prey and relax. Learn where tigers swim, why other big cats don't join in the fun and who the heck Odin is.
How the Mason-Dixon Line Divided the North and the South
history.howstuffworks.com/historical-events/mason-dixon-line.htm
The Mason-Dixon Line has ties to slavery, which often overshadows its otherwise fascinating story about one of the most significant surveying achievements in North America.
Do the Atlantic and Pacific Oceans Mix?
science.howstuffworks.com/environmental/earth/oceanography/atlantic-pacific-oceans-mix.htm
The waters of the Atlantic and Pacific oceans meet at the tip of Cape Horn and never the two shall mix, right?
13 Largest Cities in New York, Ranked by Population
people.howstuffworks.com/largest-cities-in-new-york.htm
New York, often called the Empire State, is one of fourth-most populated in the United States. According to the U.S. Census Bureau, 19.9 million people live in the state.