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How Hydroponics Works
home.howstuffworks.com/lawn-garden/professional-landscaping/hydroponics.htm
Hydroponics is the practice of growing plants without soil. Learn more about how hydroponics uses water as the nutrients for plants.
How Global Warming Works
science.howstuffworks.com/environmental/green-science/global-warming.htm
Global warming is becoming an increasingly important issue. Find out what causes global warming and learn how we can decrease the effects of global warming.
12 Big Cases of Revenge
history.howstuffworks.com/historical-events/10-biggest-cases-of-revenge.htm
The concept of revenge predates legal history. But sometimes the need for vengeance can kick into overdrive - as in these 12 infamous acts of revenge.
How Motherhood Works
people.howstuffworks.com/motherhood.htm
What's it like to be a mom today? Read about motherhood past, present and future at HowStuffWorks.
Top 30 Smartest Animals in the World
animals.howstuffworks.com/animal-facts/10-smartest-animals.htm
Humans aren't the only animals that can count, use logic, make tools or form lasting bonds with others. Meet 10 of the smartest creatures in the animal kingdom.
How to Prevent Harmful Infections
health.howstuffworks.com/wellness/preventive-care/how-to-prevent-viral-infections.htm
The bacteria and viruses that cause harmful infections are lurking everywhere. Avoid dangerous infections by following these important tips.
How Gas Masks Work
science.howstuffworks.com/gas-mask.htm
Gas masks are used to filter out harmful gas and particles from the air industrial workers breathe. Learn about gas masks and how gas masks are made.
How GameCube Works
electronics.howstuffworks.com/gamecube.htm
It's not the best-selling console... or the one with the best buzz... or the one with the most bells and whistles. But it's still one heck of a cool machine. Check out what the GameCube has under the hood.
Ultrafiltration
health.howstuffworks.com/medicine/tests-treatment/ultrafiltration.htm
Ultrafiltration is a medical therapy used to remove excess salt and water from the bodies of patients who have a condition called fluid overload.
Does a deer have exactly enough brains to tan its own hide?
animals.howstuffworks.com/mammals/deer-tan-own-hide.htm
Tanning with deer brain might seem odd, but some people prefer this leather-making tradition. Learn why tanning with deer brain can soften leather.