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Trivia Quiz of the Day
play.howstuffworks.com/quiz/trivia-quiz-of-the-day
Are you a wealth of unless information? Do you belong on "Jeopardy?" Do you win every trivia night at the pub? Then, this quiz is for you! Test your smarts with this assortment of random trivia questions.
How Prenatal Testing Works
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/issues/prenatal-testing.htm
During a pregnancy, different kinds of prenatal testing are an important part of the process. See how prenatal testing protects both the mother and child.
How MP3 Players Work
electronics.howstuffworks.com/mp3-player.htm
MP3 players allow you to carry video, pictures or even thousands of songs in your pocket. Read reviews on MP3 players and learn how MP3 players work.
How Acoustic Levitation Works
science.howstuffworks.com/acoustic-levitation.htm
The idea that something so intangible as acoustic levitation can lift objects may seem unbelievable, but it's a real phenomenon.
10 Completely Wrong Sayings About Animals
animals.howstuffworks.com/animal-facts/10-wrong-sayings-animals.htm
Ever been told you're as stubborn as a mule or blind as a bat? It might have been an unintended compliment. Many common sayings about animals are really off the mark.
How Numbers Stations Work
people.howstuffworks.com/numbers-stations.htm
We may be living in the age of the Internet, but simple shortwave radio transmitters still play a part in the espionage game. The huge benefit: There's no trail.
What is the Dow Jones Industrial Average?
money.howstuffworks.com/personal-finance/financial-planning/dow-jones-industrial-average.htm
The Dow Jones Industrial Average tracks a variety of stocks to assist investors. Learn how the dow jones keeps tabs on the stock market.
What lock-picking tools do you need to pick a lock?
home.howstuffworks.com/home-improvement/household-safety/lock-picking-tools-need-to-pick-lock.htm
To pick a lock you'll need some picks (or paper clips) and a tension wrench. Learn what lock-picking tools you need to pick a lock in this article.
What's a voice coil on a speaker?
electronics.howstuffworks.com/voice-coil-speaker.htm
A voice coil is an electromagnet. Learn how a voice coil works on a speaker in this article.
How to Stop a Subwoofer Hum
electronics.howstuffworks.com/how-to-stop-subwoofer-hum.htm
Would you like to learn how to stop your subwoofer from making a consistent low-frequent hum or buzz? Read this article to learn how to stop a subwoofer hum.