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How Laundry Detergent Works
home.howstuffworks.com/laundry-detergent.htm
The average American family does 300 loads of laundry a year. That's a lot of laundry detergent! Learn all about laundry detergent in this article.
If you have HIV, does it mean you have AIDS, too?
health.howstuffworks.com/diseases-conditions/infectious/question709.htm
A friend of mine told me that just because you have HIV doesn't mean you have AIDS. Is this true?
Messerschmitt Me 262
science.howstuffworks.com/messerschmitt-me-262.htm
The great legacy of the Messerschmitt Me 262 is that it inspired other air forces to adopt the jet fighter as standard, and moved engineers to utilize its layout for fighters and airliners. Learn more about this top World War II fighter plane.
What if I pumped pure oxygen into my car engine instead of using the air in the atmosphere?
auto.howstuffworks.com/oxygen-engine.htm
Pure oxygen in an engine would produce a dramatic increase in horsepower. Learn about pumping pure oxygen in an engine.
Brussels Sprouts: Natural Weight-Loss Food
Brussels sprouts fill dieters up and are packed with nutrients. Learn about brussel sprouts and how they're among the best vegetables for weight loss.
What Is FUTA and How Does It Work?
money.howstuffworks.com/personal-finance/personal-income-taxes/futa.htm
FUTA, the Federal Unemployment Tax Act, was written into law in 1939 in response to the Great Depression and still has great relevance today.
Here's Why the US Government 3-D Printed a Classic Muscle Car
The U.S. government is funding the 3-d printing of vehicles. Learn more about the government initiative and ORNL in this HowStuffWorks Now article.
Why Fruit Flies Were the First Animals in Space
science.howstuffworks.com/why-fruit-flies-were-first-animals-in-space.htm
The little flies have way more in common with us than you think. And it made them the perfect test animal to send to space.
Cow Burps, Not Farts, Are the Real Problem
health.howstuffworks.com/human-body/systems/digestive/burps-not-farts.htm
How can a feed additive reduce cow burps? Learn how a feed additive reduce cow burps at HowStuffWorks Now.
What the Heck Is in Movie Theater Popcorn?
health.howstuffworks.com/wellness/food-nutrition/facts/what-heck-is-in-movie-theater-popcorn.htm
What is actually in movie theater popcorn? HowStuffWorks grabs a tub and digs in.