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Can You Identify the State Abbreviation From a State's Outline?
play.howstuffworks.com/quiz/can-you-identify-the-state-abbreviation-from-a-states-outline
When it comes to geography, they say the average American can't locate Afghanistan on a map, but how about Iowa? Take a look at these 50 state outlines and see if you can identify the correct abbreviation.
How Oil Pulling Works
health.howstuffworks.com/wellness/preventive-care/oil-pulling.htm
Can swishing oil around in your mouth for 20 minutes net health benefits? Find out why some people swear by oil pulling.
10 Things You Should Never Do to Your Lawn
home.howstuffworks.com/10-things-you-should-never-do-to-lawn.htm
Before you rev up your mower for the latest cut of the season, learn (or relearn) what not to do to your lawn. You can thank us later.
Did the Mayan civilization end because of climate change?
science.howstuffworks.com/environmental/green-science/climate-change-end-mayan-civilization.htm
Over the years, many theories have been advanced about why the once-mighty Mayan civilization fell. But a newer one is getting attention: Was it because of climate change?
How the World Trade Center Slurry Wall Works
science.howstuffworks.com/engineering/structural/world-trade-center-slurry-wall.htm
It's been compared Jerusalem's Wailing Wall. What purpose did the slurry wall serve the World Trade Center, and what is its significance now?
Pennsylvania’s Most Haunted Places
history.howstuffworks.com/historical-events/haunted-places-in-pennsylvania.htm
Discover the most haunted places in Pennsylvania, from eerie ghost towns to haunted asylums. Explore chilling legends and real paranormal encounters!
5 Reasons Parasites Are Beneficial to Earth
science.howstuffworks.com/environmental/green-science/5-reasons-parasites-beneficial.htm
You probably think all parasites are disgusting little critters, but that's not always the case. Several are actually critical to the planet.
Can You Answer These Basic Science Questions Everyone Should Know?
play.howstuffworks.com/quiz/can-you-answer-these-basic-science-questions-everyone-should-know
Science! It's the basis for nearly everything that sets our age apart. Still, you can't have satellites, Twitter or Netflix without the basics. How well do you know them?
What's Your Australia IQ?
play.howstuffworks.com/quiz/whats-your-australia-iq
If your knowledge of Australia is limited to what you learned from "Crocodile Dundee" and a few hazy images of boxing kangaroos, it's time to take a closer look. Check out this quiz to see what you really know about the land Down Under.
How Robots Work
science.howstuffworks.com/robot.htm
Robots are becoming increasingly sophisticated and lifelike. Learn about robots, the latest robot technology and how close we are to artificial intelligence.