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What's Your London IQ?
play.howstuffworks.com/quiz/whats-your-london-iq
It's the biggest city in the U.K. and one of the most exciting in the world - and there's always something new to discover! How well can you navigate the not-so-mean streets of the Big Smoke?
History of Aromatherapy
health.howstuffworks.com/wellness/natural-medicine/aromatherapy/history-of-aromatherapy.htm
The history of aromatherapy dates back to ancient times. Learn about the history of aromatherapy, as well as incense and essential oils.
How the Euro Works
money.howstuffworks.com/euro.htm
As of January 1, 2002, the euro is the official monetary unit of 12 nations. Find out all about the euro, who's using it and the widespread effects of having a single European currency.
How Electric Cars Work
auto.howstuffworks.com/electric-car.htm
Sales of electric cars keep soaring and the technology just keeps getting better. So how do electric cars work and just how green are they?
How Nanotechnology Works
science.howstuffworks.com/nanotechnology.htm
Nanotechnology is so new, no one is really sure what will come of it. Even so, predictions range from the ability to reproduce things like diamonds and food to the world being devoured by self-replicating nanorobots.
What Is Alcohol and What Does It Do to the Human Body?
science.howstuffworks.com/alcohol.htm
More than 2.3 billion people across the globe drink alcohol, but most don't consider it a drug. But if you've ever seen someone who's had too much, you know alcohol has profound effects on the mind and body.
Europe After World War I: November 1918-August 1931
history.howstuffworks.com/historical-events/europe-after-world-war-1.htm
World War I, also known as the Great War, left Germany and other countries humiliated and angry. Learn about events that led to World War II.
10 Technologies Used in Green Construction
What exactly is green construction technology? Visit HowStuffWorks and learn the 10 technologies used in green construction.
10 Most Stressful Jobs in America
money.howstuffworks.com/10-most-stressful-jobs-in-america.htm
The most stressful jobs in America would drive most people nuts! Visit HowStuffWorks to see the 10 most stressful jobs in America.
10 Innovations That Led to the Modern Bullet
science.howstuffworks.com/10-bullet-innovations.htm
Firearms get the historical spotlight, but what about the projectiles they hurl at insane speeds? Here are the innovations that gave rise to modern ammunition. Think of it as 10 rounds of ammo info.