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The Vietnam War Quiz
play.howstuffworks.com/quiz/vietnam-war-quiz
The Vietnam War claimed millions of lives, spurred worldwide protests and forever changed the lives and government of Vietnamese citizens. Take our Vietnam War quiz to see how much you know about one of the most controversial conflicts in history.
How Barrier Islands Work
science.howstuffworks.com/environmental/conservation/issues/barrier-island.htm
Barrier islands are vacation spots and amazing ecosystems. Learn about barrier island habitats, fighting erosion of barrier islands and development's effects on barrier islands.
Why does humidity make my hair frizz?
science.howstuffworks.com/nature/climate-weather/atmospheric/why-does-humidity-make-hair-frizz.htm
Nothing ruins a good hair day like humidity, especially if your hair is dry and overprocessed. What's the science behind the frizz?
10 Biggest Malls in America
money.howstuffworks.com/biggest-malls-in-america.htm
Malls in America can be massive enough to contain hotels and ice rinks, in addition to the usual stores. Here are 10 of the biggest shopping malls in the U.S.
Wildfires Can Form Monstrous Pyrocumulonimbus Clouds
science.howstuffworks.com/nature/natural-disasters/wildfire-thunderclouds.htm
These massive clouds form when wildfires give off heat. HowStuffWorks looks at how climate change is making conditions favorable for more to form.
How Occupant Classification Systems Work
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/ocs.htm
They enhance your airbag system, but few people know how occupant classification systems work. Learn how occupant classification systems work here.
How the Tweel Airless Tire Works
auto.howstuffworks.com/tweel-airless-tire.htm
The Tweel Airless Tire is Michelin's alternative to the pneumatic tire. Learn how the Tweel Airless Tire works and about Tweel advantages and problems.
What if I put a one horsepower engine into my car?
auto.howstuffworks.com/one-horse-engine.htm
A one horsepower engine would not be very practical if you were to put it in a normal car. Learn more about a one horsepower engine in this section.
How Low-flow Toilets Flush Your Waste Without Wasting Water
home.howstuffworks.com/low-flow-toilet.htm
Low-flow toilets have improved significantly since they first came onto the market in the 1990s. Not only can they save tons of water, they also now can flush your waste with as little as a gallon of water.
10 Technologies That Help Buildings Resist Earthquakes
Bend but don't break: That's the idea behind many of these temblor-thwarting technologies. They may even allow a building's inhabitants to walk out unharmed and start picking up the pieces after the earthquake subsides.