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How Spud Guns Work

home.howstuffworks.com/spud-gun.htm

A spud gun can hurl potatoes hundreds of feet at close to 400 miles per hour. But why is this staple of the dinner table such a popular projectile? Learn the science of spud guns and how they can be customized.

What can your spit tell you about your DNA?

science.howstuffworks.com/life/genetic/spit-dna.htm

Doctors always want your blood, but one day, a health care professional may ask you to open up and say, "Ptooey!" Why? Your spit holds a mother lode of biological information.

How to Defrag a Computer: Step-by-step Instructions

computer.howstuffworks.com/question548.htm

When you save a document, your machine disseminates little pieces of the file into empty spaces on the hard drive. Learn why it's done this way and how defragmenting maintains your computer's performance.

How Radon Works

home.howstuffworks.com/home-improvement/household-safety/radon.htm

In places where uranium is common in the soil, radon is a popular topic of discussion. Even though radon is "completely natural," it can be a real health hazard. Learn how radon forms and why it is so dangerous.

How Virtual Offices Work

money.howstuffworks.com/virtual-office.htm

More and more people are working out of offices far away from their parent company. Why might this be a good idea, and what does it take to set up a virtual office? Read on to find out.

What's Inside Worcestershire Sauce, and How Do You Pronounce It?

recipes.howstuffworks.com/food-facts/worcestershire-sauce.htm

This 180-year-old sauce can be used to add zing to just about any dish. But what's in it? And why is it so effective? And, most of all, how do you pronounce it anyway?

Love Spells: Ancient Rituals to Attract Romance and Strengthen Relationships

science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/love-spells.htm

The ancient love spell that's been hidden for centuries—until now. Discover why most spell casters never share this powerful ritual that could manifest your true soulmate within days.

Virgo Spirit Animal: Discover Your Zodiac's Hidden Power Animal & Symbolism

entertainment.howstuffworks.com/horoscopes-astrology/virgo-animal.htm

2. ``` Virgo's animal symbolism reveals more about your personality than your horoscope. Learn which creature perfectly captures your meticulous nature and why it's misunderstood by most astrologers.

How rare are double rainbows?

science.howstuffworks.com/nature/climate-weather/atmospheric/double-rainbows-rare.htm

A double rainbow, man! Just the sight of one can send us babbling into happiness. And why not? Rainbows are beautiful. And two rainbows at the same time? Even better. But just how rare are these colorful arcs?

Does beer make milk curdle?

science.howstuffworks.com/innovation/edible-innovations/beer-milk-curdle.htm

Beer is quickly becoming a trendy mixer for more adventurous cocktail drinkers. However, this acidic ingredient doesn't always play well with others. Why can't beer and milk just get along?

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