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How Submarines Work
science.howstuffworks.com/transport/engines-equipment/submarine.htm
Not so long ago, the world's naval forces worked entirely above water. But all that changed with the addition of the submarine to the standard naval arsenal.
How Lie Detectors Work
people.howstuffworks.com/lie-detector.htm
Lie detection is a consistently controversial topic -- how can a machine tell truth from deception? Does everyone have the same physiological reaction when telling a lie? If so, how can some people "beat the box"? Find out what these devices measure and if they really can detect lies.
5th-Grade General Knowledge Quiz
play.howstuffworks.com/quiz/5thgrade-general-knowledge-quiz
Were you a whiz kid at school? How much do you remember from your days in 5th grade? Test your knowledge of 5th grade facts with this simple math, science, English, and history quiz!
Tips for Relaxing in a Hot Bath
health.howstuffworks.com/wellness/stress-management/relax-in-a-hot-bath.htm
Relax in a hot bath to reduce stress, which we know is important in disease prevention. Learn why you should relax in a hot bath.
Why Are Some Comets Green?
science.howstuffworks.com/green-comet.htm
News headlines talk about a rare green comet appearing in the sky. The comet itself is rare, but green comets, not so much. What makes some comets appear green?
How Yogurt Works
science.howstuffworks.com/innovation/edible-innovations/yogurt.htm
It's been part of people's diets around the world for centuries, but has recently become a health-food staple. Are you one of the people who seek a little culture every day?
24 Home Remedies for Warts
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-warts.htm
Learn to prevent warts, and read about home remedies that will help to rid you of warts if you get them.
How to Clean the Idle Air Sensor Control Motor
Do you know ow to clean the idle air sensor control motor? Find out ow to clean the idle air sensor control motor in this article from HowStuffWorks.
Was the Iroquois Great Law of Peace the Source for the U.S. Constitution?
history.howstuffworks.com/history-vs-myth/iroquois-great-law-peace-source-us-constitution.htm
Historians doubt that the Iroquois Confederacy directly inspired the U.S. Constitution. HowStuffWorks looks at what influences the Iroquois' ideas may have had on the former colonists.
Untangling the Conspiracy Theories Around Adrenochrome
science.howstuffworks.com/adrenochrome.htm
Adrenochrome has been linked to schizophrenia and the LSD counterculture movement. Now QAnon conspiracy theorists say it's part of a child sex-trafficking cult. So what's the truth behind this chemical compound?