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Your search for "untouchability" returned 107 results
10 Innovations in Water Purification
science.howstuffworks.com/environmental/green-tech/sustainable/10-innovations-water-purification.htm
As far back as 1500 B.C.E., people were trying to purify water to make it drinkable. And we're still at it. Today inventors use tools as simple as clay and as sophisticated as carbon nanotubes to bring clean water to the world.
How Diamonds Work
science.howstuffworks.com/environmental/earth/geology/diamond.htm
Diamond engagement rings. Diamond anniversary bands. Diamond earrings and necklaces. And now, the right-hand diamond ring! The four Cs -- cut, clarity, carat and color. Find out what the fuss is all about.
How CEOs Work
money.howstuffworks.com/ceo.htm
The CEO of a company makes a lot of money and has access to the private jet -- so how did he or she get this clout? Learn what a CEO's responsibilities are.
How Hudson Cars Work
auto.howstuffworks.com/hudson-cars.htm
An early success for the Hudson company was the low-priced four-cylinder 1919 Hudson Essex. Read about the cars of Hudson's origin in this article.
How Fear Works
science.howstuffworks.com/life/inside-the-mind/emotions/fear.htm
Fear is the brain's reaction to a stimulus where chemicals are released that raise the heart rate. Learn about fear and the different fear responses.
How Maps Work
science.howstuffworks.com/environmental/earth/geophysics/map.htm
A map is a type of language, a graphic way of representing information, whether it's to show population density or tell you how to get from Point A to Point B. Here's how they're made.
10 Myths About Surviving a Tornado
science.howstuffworks.com/nature/natural-disasters/10-myths-about-surviving-a-tornado.htm
Separating fact from fiction when it comes to tornado safety could mean the difference between life and death.
How Narco States Work
money.howstuffworks.com/narco-state.htm
Narco states are places where illegal drugs are openly traded with governmental approval. Learn all about narco states.
How Packard Cars Work
auto.howstuffworks.com/packard-cars.htm
Packard was once a leader among automakers, but changing tastes and poor business decisions doomed the brand. Learn more about Packard cars.
Postwar Europe and Japan: October 1945-September 1951
history.howstuffworks.com/world-war-ii/postwar-europe-and-japan.htm
This World War II timeline highlights postwar events from October 1945-September 1951. Get information on Europe and Japan after World War II.