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Can fluoride make your teeth yellow?
health.howstuffworks.com/wellness/oral-care/products/fluoride-make-teeth-yellow.htm
Too much fluoride can make your teeth yellow, but only if you're a pee-wee under the age of 8. Learn if fluoride can make your teeth yellow.
Why do elbows itch?
health.howstuffworks.com/human-body/parts/why-do-elbows-itch.htm
Itchy elbows can be really annoying. Learn what causes your elbows to itch at HowStuffWorks.
Is a 'dog year' really seven years?
animals.howstuffworks.com/pets/dog-year-seven-years.htm
Dogs age at a different rate, but maybe not exactly seven times as quickly as a human. Learn if a dog year is really seven years at HowStuffWorks.
The Ultimate Pacific Ocean Quiz
play.howstuffworks.com/quiz/pacific-ocean-quiz
This Pacific Ocean quiz will test your knowledge of the world's biggest ocean. Test yourself with this Pacific Ocean quiz.
Should You Pop Your Blisters?
health.howstuffworks.com/skin-care/problems/treating/pop-blisters.htm
HowStuffWorks finds out whether it's better medically to pop that blister or leave it alone.
How Emergency Rooms Work
people.howstuffworks.com/emergency-room.htm
Movies and TV shows depict emergency rooms as insanely intense places. But do you want to know what an emergency department in a hospital is really like? Learn all about what goes on in a real-life ER.
Do Fish Sleep? They Have to ... Right?
animals.howstuffworks.com/fish/do-fish-sleep.htm
It's hard to imagine Nemo catching some z's in the Great Barrier Reef. But fish do need rest. Do they sleep like we do?
How to Clean a Flat Screen TV
You were told to be careful when you clean a flat screen TV. Read this article and learn how to clean a flat screen TV.
Online Dating Is Increasing Interracial Marriage
Social media dating sites are changing the face of relationships. HowStuffWorks looks at the data.
One Simple Way to Get More Sleep: Lower the Thermostat
What's the ideal temperature for sleep? HowStuffWorks Now explores where you should set your thermostat for better asleep.