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How Gold Works
science.howstuffworks.com/gold.htm
We love it. We wear it glittering around our necks and sparkling at our ears, wrists and feet. We pass it down to our children and hoard it in secret stashes. Why is this precious metal so prized?
How Subways Work
science.howstuffworks.com/engineering/civil/subway.htm
London without the Tube? New York without its underground scene? Atlantans gliding straight from their MARTA stops to the airport? What would life be like without our underground transportation system?
What is a keyhole satellite and what can it really spy on?
science.howstuffworks.com/question529.htm
On a television drama last week, the plot involved photos taken of a Russian missile silo, and the characters mentioned a "keyhole satellite." What is a keyhole satellite and what can it really spy on?
What is the Year 2038 problem?
computer.howstuffworks.com/question75.htm
What is the Year 2038 problem? While not as bad as Y2K, learn how C programming and the standard time library is causing a Year 2038 computer boggle.
How Does Benzoyl Peroxide Work In Skin Cleansers?
Benzoyl peroxide is found in face washes, gels and other acne products. Should it be in your skin cleanser? See how benzoyl peroxide helps your skin.
For Teen Twins, Bad Behavior Can Be Contagious
Siblings can have a major influence on each other when it comes to bad behavior. Learn how delinquency spreads among twins at HowStuffWorks Now.
We Finally Know Why Ancient Roman Concrete Outlasts Our Own
science.howstuffworks.com/why-ancient-roman-concrete-stronger-than-modern.htm
The ancients were able to devise a mix for concrete that actually gets stronger over time thanks to chemical reactions. If only we could rediscover the recipe...
Why Professional Bakers Never Measure With Cups, Only Scales
recipes.howstuffworks.com/tools-and-techniques/bakers-cups-or-scales.htm
While many home bakers measure out flour and other ingredients with a cup, experts say you should ditch that cup for a scale. Here's why.
Where Does the Phrase 'On the Lam' Come From?
people.howstuffworks.com/on-the-lam.htm
To be "on the lam" means to be on the loose or on the run, but what does "lam" mean and where does this colorful phrase come from?
Why Do We Call It a Piggyback Ride?
people.howstuffworks.com/piggyback-ride.htm
It's a strange phrase when you think about it, as people don't normally ride pigs. So where did it come from?