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How Tooth Whitening Works
science.howstuffworks.com/innovation/everyday-innovations/tooth-whitening.htm
In the past few years, tooth-whitening has exploded as the physical upgrade of choice. Unlike nose jobs and chin tucks, just about anybody can afford to try this at home. Learn about different whitening techniques and how they work, and decide if you should give it a try.
10 Wacky Birthday Superstitions
people.howstuffworks.com/10-wacky-birthday-superstitions.htm
Make a wish as you blow out your birthday candles, and it might just come true. Learn 10 more wacky birthday superstitions at HowStuffWorks.
How Organ Transplants Work
health.howstuffworks.com/medicine/modern-treatments/organ-transplant.htm
Today, most organ transplants are relatively safe procedures. Learn about living and cadaverous organ donors and how organs are matched to recipients.
Top 10 Sunscreens for Oily Skin
health.howstuffworks.com/skin-care/beauty/sun-care/5-sunscreens-for-oily-skin.htm
Sunscreens for oily skin aren't greasy like other sunscreens. Visit HowStuffWorks to see the top 5 sunscreens for oily skin.
How the Steam Locomotive and Steam Technology Work
science.howstuffworks.com/steam-technology.htm
Steam technology works to harness the power of steam in order to perform work. Learn about steam technology and some steam technologies.
How Solar Thermal Power Works
science.howstuffworks.com/environmental/green-tech/energy-production/solar-thermal-power.htm
Solar thermal power can revolutionize energy production. Learn all about solar thermal power at HowStuffWorks.
10 Reasons College Costs So Much
People often complain about the high price of college today. Here are 10 reasons why college costs so much from HowStuffWorks.
Why do we wear wristwatches?
electronics.howstuffworks.com/gadgets/clocks-watches/why-wear-wristwatches.htm
A wristwatch is an essential part of your wardrobe, but have you ever stopped to wonder why? Learn more about why we wear wristwatches.
10 Common Questions About Islam, Answered
people.howstuffworks.com/10-questions-about-islam.htm
How much do you know about the Muslim religion? HowStuffWorks asks and answers 10 questions about Islam.
How Fuel Cells Work
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/fuel-cell.htm
A hydrogen fuel cell is an electrochemical energy conversion device. Learn why governments are pouring money into fuel cell research.