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Your search for "cause" returned 9,094 results
Why do those long, white clouds form behind jets flying high overhead?
science.howstuffworks.com/transport/flight/modern/question195.htm
Contrails are those long white clouds that form in the wake of an airplane flying at altitude. What causes these contrails and what are they made of? Learn the answer to this question in this article from HowStuffWorks.
How do sodium-acetate heat pads work?
home.howstuffworks.com/question290.htm
Heating pads are made of a plastic pouch and a clear liquid. Inside the pouch is a metal disk that when clicked crystallizes the liquid causing it to heat up. Find out how heat pads work.
Is there a psychological reason for people being mean on the Internet?
science.howstuffworks.com/life/inside-the-mind/human-brain/psychological-reason-mean-on-internet.htm
We've all seen "flame wars" on the Internet. Maybe we've been the victims or the perpetrators, too. But what causes people to say things online that they would never say in person?
Kowloon Walled City Once Was the Most Densely Packed Place on Earth
history.howstuffworks.com/world-history/kowloon-walled-city.htm
Some 50,000 people jammed in an area one-hundredth of a square mile. An urban planning nightmare, it was home to gangs, factories and vibrant nightlife. How did it start, and what caused it to end?
12 of the Most Destructive Earthquakes
science.howstuffworks.com/nature/natural-disasters/12-of-the-most-destructive-earthquakes.htm
Earthquakes and their resulting aftershocks can be devastatingly destructive. Earthquakes are caused when a fault in the Earth's crust slips, which releases energy waves in the ground. Find a list of 12 of the most destructive earthquakes in history.
What is Pseudomonas aeruginosa, and what's its relationship to respiratory infections?
Pseudomonas aeruginosa is bacteria that infect immunocompromised people, and can cause pneumonia, and chronic respiratory problems in vulnerable people. Learn more about pseudomonas aeruginosa and its relationship to respiratory infections from this article.
How to Remove Green and Yellow Vegetable Stains
home.howstuffworks.com/how-to-remove-green-and-yellow-vegetable-stains.htm
Vegetables are good for your body but not for your household surfaces. Nutritious green and yellow plants can cause unsightly laundry stains. Follow these stain removal techniques to erase what veggies leave behind.
Two Truths and a Lie: The Bible Quiz
play.howstuffworks.com/quiz/two-truths-and-a-lie-the-bible-quiz
Wait, should we be lying about the Good Book? Hey, it's for a good cause: Take our quiz, and you'll come out with a better understanding of what's in the Bible and what's not. Honest!
How to Remove Maple and Corn Syrup Stains
home.howstuffworks.com/how-to-remove-maple-and-corn-syrup-stains.htm
Maple and corn syrups are packed with sugary goodness. While they are great additions to food, they're not welcome on clothing, where they cause laundry stains. Follow these stain removal tips to remove sticky spots.
Can You Name These Beach Movies From Just One Image?
play.howstuffworks.com/quiz/can-you-name-these-beach-movies-from-just-one-image
Get your beach blanket out, 'cause this quiz isn't your average game of bingo. It's all about bikinis, bad guys and big waves. Can you CRUSH this quiz?