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What Are Prime Numbers, and Why Do They Matter?
science.howstuffworks.com/math-concepts/prime-numbers.htm
You may remember from math class that a prime number is a number that can only be divided by 1 and itself. But why are they important anyway?
How Mufflers Work
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Mufflers cancel out most of an engine's noise. Find out how mufflers cancel sound waves, why engines are so loud, and look inside a muffler to learn about backpressure.
How FEMA Works
people.howstuffworks.com/fema.htm
FEMA has been providing emergency relief for hurricanes, earthquakes, toxic contamination and more since 1979. Read more about how FEMA works.
How to Become a Chef
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If you are interesting in how to become a chef, this article will teach you the ins and outs of the kitchen. Learn more about how to become a chef.
Can You Name 40 of the Most Famous Cartoon Characters of All Time?
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Cartoons are a staple of any childhood, but no matter when you grew up, you'll probably be able to recognize some of these characters. Let's see if you can identify all 40 of them!
How to Host a Book Swap
lifestyle.howstuffworks.com/event-planning/how-to-host-book-swap.htm
Do you know how to host a book swap? It is a great way to trade in your books for new ones. Learn how to host a book swap at HowStuffWorks.
How Area 51 Works
science.howstuffworks.com/space/aliens-ufos/area-51.htm
Less than 100 miles from Las Vegas, is the most famous secret military installation on the planet: Area 51. For decades, the U.S. government refused to acknowledge it existed. But now, the secret is out.
5 Futuristic Trends in Supercomputing
electronics.howstuffworks.com/future-tech/5-futuristic-trends-in-supercomputing.htm
Trends in supercomputing will allow machines of tomorrow to do things we can't even imagine today. Learn about 5 futuristic trends in supercomputing.
Are Humans Apes? Tracing Our Evolutionary Path
science.howstuffworks.com/life/evolution/man-chimp-ape.htm
Are humans separate from chimps and other apes? Learn what separates us from chimps.
What Is Pi?
science.howstuffworks.com/math-concepts/pi.htm
Whether the circle is as big as planet Mars or as small as a tennis ball, the ratio of its circumference divided by its diameter will always equal pi (3.14). But why?