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21 Unforgettable Hairstyles
lifestyle.howstuffworks.com/style/hairstyles/21-unforgettable-hairstyles.htm
Hairstyles trends come and go, but some are unforgettable. From the flip to the mullet, revisit these 21 hairstyle trends through the ages.
6 of the World's Greatest Missing Treasures
people.howstuffworks.com/6-of-the-worlds-greatest-missing-treasures.htm
It seems impossible to lose something so valuable, but it has been done -- more than once. See our list of the world's greatest missing treasures.
Were the American colonists drugged during the Salem witchcraft trial?
history.howstuffworks.com/history-vs-myth/drugged-salem-witchtrial.htm
The Salem witchcraft trials were some of the darkest events in all of American history. Learn about the Salem witchcraft trials.
How the New Knight Rider Car Works
auto.howstuffworks.com/new-knight-rider-car.htm
The new Knight Rider car is a souped-up Ford Mustang GT500KR that can morph into three different versions. Learn about the new Knight Rider car.
Planet Mercury: Fast, Pockmarked and Shrinking
science.howstuffworks.com/46004-mercury-explained.htm
Mercury is the closest planet to the sun, and it's the smallest in the solar system. So why does it have longer days than we have on Earth?
How Exchange Rates Work
money.howstuffworks.com/exchange-rate.htm
Exchange rates are something you typically pay attention to when you're traveling abroad. Learn about exchange rates and find out why exchange rates fluctuate.
How Screensavers Work
computer.howstuffworks.com/screensaver.htm
Screensavers used to be necessary due to CRT monitor quirks -- now, they're mostly used for entertainment and security. Find out what a screensaver is and how it knows when to kick in.
How Could Gold Save My Life?
health.howstuffworks.com/medicine/modern-technology/gold-nanotech.htm
Gold nanoparticles have the potential to radically change breast cancer detection, according to a recent study. Learn about the use of gold nanoparticles.
Yang Organs Overview
health.howstuffworks.com/wellness/natural-medicine/chinese/yang-organs.htm
The yang organs, in traditional Chinese medicine, separate impure substances from food and drain them from the body. Learn how yang organs work.
What's HVAC? Heating and Cooling System Basics
home.howstuffworks.com/home-improvement/heating-and-cooling/heating-and-cooling-system-basics-ga.htm
Heating systems keep our homes warm during the winter, and air conditioning keeps us cool in summer. But do you know how HVAC systems work?