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Why doesn't tear-free shampoo sting your eyes?
science.howstuffworks.com/science-vs-myth/everyday-myths/tear-free-shampoo-not-sting-eyes.htm
Some say the real reason "no tear" shampoo works is that it has Novocain in it, desensitizing babies to its sting. Fact or urban legend?
Can You Pass This American General Knowledge Quiz?
play.howstuffworks.com/quiz/can-pass-amercian-general-knowledge-quiz
The Declaration of Independence may have created the United States of America. However, U.S. history consists of more than the Founding Fathers. Find out if you need to retake a U.S. History class with this quiz!
Made in America: The Ridiculous History of 'OK'
people.howstuffworks.com/history-ok.htm
The fad for abbreviations like LOL is nothing new. In fact, this trend in the 1840s spawned the greatest abbreviation of all, "OK."
How Solar-powered Refrigerators Work
home.howstuffworks.com/solar-powered-refrigerator.htm
Solar-powered refrigerators may sound like something of the future, but the SunDanzer is already on the market. Learn about solar-powered refrigerators.
How Hydraulic Hybrids Work
auto.howstuffworks.com/hydraulic-hybrid.htm
The hydraulic hybrid is one potential solution for rising oil prices. Learn how a hydraulic hybrid differs from a gas-electric hybrid.
How and why does the heart pump blood to itself?
health.howstuffworks.com/human-body/systems/circulatory/heart-pump-blood.htm
Have you ever stopped to wonder how does the heart pump blood to itself and the rest of your body? Learn the answer to how does the heart pump blood.
Top 5 Facebook Games
computer.howstuffworks.com/internet/social-networking/information/5-facebook-games.htm
Facebook games keep people entertained at work, school or after-hours. See our list of the top Facebook games and see if your favorite made the cut.
Can You Identify These Cool Cars From the '50s?
play.howstuffworks.com/quiz/can-you-identify-these-cool-cars-from-the-50s
Cars from the 1950s provided many new trends and interesting designs. But how many of them do you think you would be able to identify from just a single image?
We Challenge You to ID All of These Breeds If You Think You're a Horse Expert!
Of course, you're the one who knows horse breeds like they're your best friends, and this quiz endorses your mysterious horse forces. It's agreed that you need to ID every breed, so take the reins and do it with speed!
5 Signs That Download Site Isn't Legit
computer.howstuffworks.com/5-signs-that-download-site-isnt-legit.htm
Many download sites are illegal and full of malware and computer viruses. See these five signs that a download site isn't legit.