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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.
How Smell Works
health.howstuffworks.com/mental-health/human-nature/perception/smell.htm
Smell is often our first response to dangers, such as fire and gas leaks. Learn more about the sense of smell and find out how the sense of smell works.
10 Home Remedies for Body Odor
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-body-odor.htm
There are many home remedies for body odor that you can use to keep yourself smelling like a rose. Learn about home remedies for body odor.
Supreme Court on the Brink of Ending Affirmative Action in College Admissions
people.howstuffworks.com/supreme-court-reconsidering-affirmative-action-news.htm
The court heard oral arguments Oct. 31, 2022, in two cases that could end the use of race as a factor in college admissions decisions.
Inside '21'
entertainment.howstuffworks.com/inside-21.htm
The movie 21 is about math prodigies from MIT who used card counting to win millions in blackjack. Learn more about 21.
How the Samsung Galaxy Tablet Works
computer.howstuffworks.com/tablets/samsung-galaxy-tablet.htm
The Samsung Galaxy Tablet is giving Apple's iPad a run for its money, but could Apple end up stopping the Galaxy tablet's momentum in its tracks?
How to Unlock a Cellphone or Smartphone
electronics.howstuffworks.com/how-to-tech/how-to-unlock-cell-phone.htm
Unlocking cellphones is not the problem it used to be. Here's how it changed.
How DSL Works
computer.howstuffworks.com/dsl.htm
Digital subscriber line (DSL) technology transmits data over phone lines without interfering with voice service. Find out how DSL uses extra bandwidth to provide a fast Internet connection without taking over your phone.
How to Do Home Electrical Repairs
home.howstuffworks.com/home-improvement/repair/how-to-do-home-electrical-repairs.htm
Home electrical repairs -- including replacing wall receptacles and rewiring lamps -- can be done by most do-it-yourselfers. Learn how.
Electrolyte Supplements Explained
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/electrolyte-supplements.htm
Electrolyte supplements on the market are targeted to athletes needing to rejuvenate. Find out if you could benefit from electrolyte supplements.