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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!
How Fuel Cells Work
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/fuel-cell.htm
A hydrogen fuel cell is an electrochemical energy conversion device. Learn why governments are pouring money into fuel cell research.
How Lipstick Works
health.howstuffworks.com/skin-care/beauty/skin-and-makeup/lipstick.htm
Lipstick is something most women have used. But do you know what ingredients are in lipstick or how it was discovered? Learn how lipstick works.
How Castles Work
history.howstuffworks.com/historical-figures/castle.htm
Castles played an important role in the staging of conquests and the defending of territories. Learn more about castles and find out how castles were built.
10 Types of Study Bias
science.howstuffworks.com/life/inside-the-mind/human-brain/10-types-study-bias.htm
We often think that if a drug has been studied by scientists and given a favorable outcome, then it must be safe and proven. But many kinds of biases can creep into a study, rendering it less than effective.
How Restaurant Pagers Work
electronics.howstuffworks.com/everyday-tech/restaurant-pager.htm
You've probably used a restaurant pager, but have you taken one apart? We have -- see how a restaurant pager works.
How can water cut through steel?
science.howstuffworks.com/environmental/energy/question553.htm
Waterjets are explained in this article. Learn about waterjets.
How Internet Radio Works
electronics.howstuffworks.com/internet-radio.htm
Radio broadcasts over the Internet are increasingly popular and populist. Learn more about the media revolution that is Internet radio.
Doomsday Clock Now Closest It's Ever Been to Midnight
science.howstuffworks.com/environmental/earth/geophysics/doomsday-clock.htm
The Bulletin of Atomic Scientists moved the Doomsday Clock to 90 seconds before midnight, the closest it's ever been to global catastrophe. What does this mean for humanity?
Could I Lose Weight by Getting My Ear Stapled?
health.howstuffworks.com/medicine/modern-treatments/ear-staple.htm
Ear stapling is a practice that some people believe can help them lose weight. Learn about ear stapling and find out if ear stapling can help you lose weight.