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The Ultimate Clothing Quiz
play.howstuffworks.com/quiz/ultimate-clothing-quiz
You love dressing in the latest fashions and have a flair for color, but do you know all about the fabric you wear? Do you take your carpet for granted or do you know all about how it was manufactured? Challenge your knowledge of the multitude of fabrics that surround us in every facet of life. Take this quiz and find out what you really know.
What Is Modal Fabric and Is It Eco-friendly?
home.howstuffworks.com/green-living/modal-fabric.htm
Modal fabric is a type of synthetic rayon. It has a reputation for being greener than other fabrics, but is it really?
What conditions are required for life?
science.howstuffworks.com/environmental/earth/geophysics/conditions-required-life.htm
We argue that living well requires wine and cheese, but what does living at all require? You might be surprised to find out that there's no single definition.
10 Types of Metal (and We Don't Mean the Music)
science.howstuffworks.com/types-of-metal.htm
Metals are everywhere—in the wires in your walls, the pans in your kitchen, and even in your blood. These types of metal are defined by their atomic structure, properties, and how they interact with other elements.
When Was the Fax Machine Invented?
electronics.howstuffworks.com/gadgets/fax/history-of-fax.htm
The fax machine, a cornerstone of modern business, has a long and interesting history of development. Learn more about fax machines at HowStuffWorks.
What Color Is the Hottest Flame?
science.howstuffworks.com/what-color-is-the-hottest-flame.htm
Flame colors span a spectrum that tells a tale as old as fire itself. Many people wonder what color is the hottest flame; more than a testament to the natural fascination with fire's beauty, this question underscores a fundamental principle in the science of thermodynamics and combustion.
Do Pool Pumps Have to Run All the Time?
home.howstuffworks.com/swimming-pool-pumps-run-all-the-time.htm
Nothing is better than chilling in a cool pool on a hot summer day. But how long does your pool pump need to run to keep the water sparkling clean?
Can plants think?
science.howstuffworks.com/life/botany/plants-think.htm
Thinking allows us to solve problems, plan ahead and defend ourselves from outside threats. It's what separates us from "lower" life-forms like plants, right? Well, maybe not.
How Marijuana Works
science.howstuffworks.com/marijuana.htm
Marijuana isn't just a recreational drug for hippies and philosophy majors -- its psychoactive history ranges from Egyptian mummies to modern U.S. politics. What's the big deal about this leafy, green plant?
Why is there fluoride-free toothpaste?
health.howstuffworks.com/wellness/oral-care/products/fluoride-free-toothpaste.htm
Fluoride-free toothpaste is an option, but why would you want to use it? Find out why there is fluoride-free toothpaste.