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What does a 4-2-1 exhaust system do?
auto.howstuffworks.com/421-exhaust-system.htm
What does a 4-2-1 exhaust system do? Read about controlling car emissions with a 4-2-1 exhaust system.
What is quantum weirdness?
science.howstuffworks.com/science-vs-myth/everyday-myths/quantum-weirdness.htm
Quantum weirdness occurs when the normal laws and rules can't explain quantum physics. Learn about quantum weirdness in this article.
The Brain and Mental Health
health.howstuffworks.com/human-body/systems/nervous-system/brain-and-mental-health.htm
The brain and mental health is good information to know for your overall health. Learn more about the brain and mental health from Discovery Health.
What's In Potting Soil? Everything But Soil
home.howstuffworks.com/potting-soil.htm
Potting soil looks an awful lot like dirt, except there's likely no earth in the mix. So, what is it really made of? And is it better for potted plants than the stuff from the ground?
Fearless Females: Our Women's History Quiz
history.howstuffworks.com/historical-events/womens-history-quiz.htm
These pioneering women bring new meaning to the phrase, "girl power!" Test your IQ of some of the baddest women in history with our quiz.
A Simple Salt Swap Could Save Thousands of Lives, Maybe Yours
health.howstuffworks.com/wellness/food-nutrition/facts/salt-swap-study-news.htm
A landmark study showed that switching from salt to a salt substitute could lower the risk of strokes, heart disease and premature death.
Party Trick Breakdown: Why Do Balloons Stick to Hair?
science.howstuffworks.com/why-do-balloons-stick-to-hair.htm
Scientists have figured out why some objects stick more to each other. And it's a very cool trick.
Should I Use A Glycolic Face Wash?
health.howstuffworks.com/skin-care/cleansing/products/should-i-use-a-glycolic-face-wash-.htm
Glycolic acid is a popular in ingredient in face washes. Find out if you should choose glycolic face wash as part of your skin care routine.
How to Clean Your Toilet with Little Effort
This dreaded chore can be a breeze with a few simple tips.
What Eats Snakes? A Lot of Animals, Including Other Snakes
animals.howstuffworks.com/snakes/what-eats-snakes.htm
While snakes skillfully hunt their prey, they aren’t at the top of the food chain. From birds of prey to larger mammals, there are plenty of animals in the wild that hunt snakes for a tasty meal.