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Your search for "aid" returned 2,102 results
How Hypnosis Works
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/hypnosis.htm
The practice of hypnotism dates back centuries, and there are those who swear by its validity. Whether you're a skeptic or a believer, hypnosis is an interesting phenomenon. Check it out -- and let us know if you start to bark like a dog.
How Diesel Locomotives Work
science.howstuffworks.com/transport/engines-equipment/diesel-locomotive.htm
Diesel locomotives are some of the coolest modes of transport out there. Giant machines like these are just full of technological treats. Explore a hybrid-diesel locomotive - from engine to engineer controls.
How Prison Telecommunications Work
people.howstuffworks.com/prison-telecommunication.htm
Prison telecommunications is tricky business when there's a risk prisoners will use telephone calls to commit crimes. Learn about prison telecommunications.
How Historic Districts Work
home.howstuffworks.com/historic-district.htm
Historic districts could protect you from your neighbor's bad taste. Find out how historic districts work and how your neighborhood could become one.
How Brain Mapping Works
science.howstuffworks.com/life/inside-the-mind/human-brain/brain-mapping.htm
Brain mapping attempts to provide a complete picture of the brain's structure. Learn how brain mapping works and why it's such a scientific breakthrough.
How Narwhals Work
animals.howstuffworks.com/mammals/narwhal.htm
Narwhals, the unicorns of the sea, are unusual tusked whales who like icy ocean waters. See what else makes narwhals interesting whales indeed.
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 to Prevent Respiratory Infections
health.howstuffworks.com/wellness/preventive-care/how-to-prevent-respiratory-infections.htm
Respiratory infections like bronchitis and pneumonia mainly dwell in the lungs. Learn how to prevent these illnesses and treat their symptoms.
How Fast Food Works
science.howstuffworks.com/innovation/edible-innovations/fast-food.htm
Unless you're in a particularly remote area, you can't go far in most developed countries without finding a fast-food restaurant. Learn how fast-food restaurants came to be and why they're so popular.
How Profiling Works
people.howstuffworks.com/profiling.htm
As the stars of true-crime documentaries and TV series, criminal profilers have one of the best-known law enforcement jobs in the world. Learn the basics of profiling.