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Why does Alka Seltzer fizz?
science.howstuffworks.com/innovation/science-questions/question116.htm
Yesterday you talked about hydrogen peroxide, and the day before you talked about Pop Rocks candy. Since we are talking about things that fizz, what about Alka Seltzer? How does it work and why does it fizz?
How can an electric toothbrush recharge its batteries when there are no metal contacts between the toothbrush and the base?
home.howstuffworks.com/question292.htm
I have an electric toothbrush. Somehow, placing the plastic-handled brushing unit into a plastic holder/recharger will recharge the toothbrush unit. If no metal electrical contact is made, how can this recharge the toothbrush?
How Black Lights Work
science.howstuffworks.com/innovation/everyday-innovations/black-light.htm
Black lights cause everyday objects to glow in the dark. Learn how black lights work and about uses for different types of black lights.
5 Home Remedies to Prevent Nail Problems
health.howstuffworks.com/skin-care/nail-care/tips/home-remedies-for-nail-problems.htm
Nail problems like brittleness and hangnails can be addressed with easy home remedies. Learn how to protect your nails and keep them healthy.
Is your vinyl siding killing you?
home.howstuffworks.com/home-improvement/repair/vinyl-siding-lethal.htm
The vinyl siding on your house could be dangerous to your health because of chemicals in the siding. Learn more about the dangers of vinyl siding.
Soapless Cleansers
health.howstuffworks.com/skin-care/cleansing/products/soapless-cleansers.htm
Soapless skin cleansers are great for people with sensitive skin. Learn about how soapless skin cleansers work at HowStuffWorks.
Health Issues for Women Ages 40 to 55
health.howstuffworks.com/wellness/women/general/health-issues-for-women-ages-40-to-55.htm
Be aware of health issues for women ages 40 to 55 to maintain your health. Learn about health issues for women ages 40 to 55 at Discovery Health.
Olive Oil Nutrition Facts
health.howstuffworks.com/wellness/food-nutrition/facts/olive-oil-nutrition-facts.htm
These olive oil nutrition facts help you understand why olive oil is one of the healthiest item to add to your menu. See olive oil nutrition facts.
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?
How MIDI Works
entertainment.howstuffworks.com/midi.htm
MIDI technology has made music creation more efficient and less expensive. Learn how MIDI technology works in this article from HowStuffWorks.