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How Hydropower Plants Work
science.howstuffworks.com/environmental/energy/hydropower-plant.htm
Hydropower plants produce about 24 percent of the world's electricity and supply more than 1 billion people with power. Find out how hydropower plants work.
How Mistletoe Works
people.howstuffworks.com/culture-traditions/holidays-christmas/mistletoe.htm
Hanging mistletoe over a doorway is a common Christmas tradition. Have you ever wondered about the story behind it? Find out why people kiss beneath this shrubbery.
How Ultrasound Works
science.howstuffworks.com/ultrasound.htm
Ultrasound lets us peek into the human body to see everything from heart valves to a moving baby. But how do sound waves give us a picture?
How Fat Cells Work
science.howstuffworks.com/life/cellular-microscopic/fat-cell.htm
Fat cells lie behind how you gain and lose weight. Learn about fat cells, body fat basics, how fat is stored in the body and how the body breaks down fat.
How to Turn Up Hot Water Heater
home.howstuffworks.com/water-heater.htm
You probably don't give your water heater much thought until your shower goes cold but it's an important appliance in your home. If your water heater's temperature is off, you'll want to learn how it works, including how to turn up your hot water heater.
Is fluoride considered a poison in most European countries?
health.howstuffworks.com/wellness/oral-care/products/fluoride-poisoning.htm
Fluoride is commonly added to drinking water but could be dangerous. Learn about fluoridation and fluoride poisoning.
How Asbestos Works
home.howstuffworks.com/home-improvement/household-safety/asbestos.htm
Asbestos has been around for 3,000 years, but it wasn't until the 1980s that we realized its dangers. Learn more about asbestos.
How to Cope With Gingivitis
health.howstuffworks.com/wellness/oral-care/problems/how-to-cope-with-gingivitis.htm
Gingivitis, commonly called gum disease is the leading cause of tooth loss among adults. Learn how to care for your gums to avoid gingivitis.
Is science phasing out sleep?
science.howstuffworks.com/life/sleep-is-so-last-year.htm
Human beings have always found ways to ward off the effects of sleep deprivation. The newest wake-up pill has all of the benefits of caffeine and amphetamines with none of the down sides.
5 10,000-Pound Items That Get Towed on a Regular Basis
Five regularly towed 10,000-pound items are quite ordinary; you may have towed them yourself. Read about five regularly towed 10,000-pound items.