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How Sewer and Septic Systems Work
home.howstuffworks.com/home-improvement/plumbing/sewer.htm
Each time you flush the toilet or wash something down the drain, you create sewage. Find out where it goes before it flows into a river near you!
How the New Knight Rider Car Works
auto.howstuffworks.com/new-knight-rider-car.htm
The new Knight Rider car is a souped-up Ford Mustang GT500KR that can morph into three different versions. Learn about the new Knight Rider car.
How Faith Healing Works
people.howstuffworks.com/faith-healing.htm
Some turn to faith healing as a last resort when ill, and others rely on it solely to provide a miracle cure. Find out whether faith healing can truly treat the sick at HowStuffWorks.
How Carbon Negative Cement Works
home.howstuffworks.com/home-improvement/construction/materials/carbon-negative-cement.htm
Carbon negative cement could be the solution to the carbon dioxide emissions caused by the production of cement. Learn about carbon negative cement.
Evolution by Natural Selection: Examples and Effects of Adaptation
science.howstuffworks.com/life/evolution/natural-selection.htm
Natural selection is the idea that organisms that are best suited to survive pass their traits down. Is it true that only the strong survive?
How Reel Mowers Work
home.howstuffworks.com/reel-mower.htm
Reel mowers rely on human exertion to both move and mow. Learn about the advantages reel mowers hold over gas-powered and rotary lawn mowers.
How Patents Work
money.howstuffworks.com/patent.htm
Patents protect inventions and intellectual property from being copied. Learn about the uses of patents, the history of patents and about intellectual property law.
How Stem Cells Work
science.howstuffworks.com/life/cellular-microscopic/stem-cell.htm
Stem cells can develop into every cell, tissue and organ in the body. Learn about stem cell research challenges and controversy and how stem cells can be used to treat disease.
If a giraffe's neck only has seven vertebrae, how is it so flexible?
animals.howstuffworks.com/mammals/giraffe-neck.htm
A good portion of a giraffe's height comes from its statuesque neck. But how do these lanky creatures get their necks in such pretzel-like positions?
How Body Odor Works
health.howstuffworks.com/wellness/hygiene-tips/body-odor.htm
Why do we have body odor? How can you prevent it? Read about the causes of body odor and how to deal with it.