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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 Halloween Works
people.howstuffworks.com/culture-traditions/holidays-halloween/halloween.htm
Halloween mixes secular and religious elements in a holiday filled with pranks, costumes and games. Learn about the history of Halloween.
How Communism Works
people.howstuffworks.com/communism.htm
Communism is a type of government that relies on collectivization of labor and good to equal out the classes. Learn about the workings of communism.
How Stress Works
science.howstuffworks.com/life/inside-the-mind/human-brain/how-stress-works.htm
Understanding stress requires you to learn the various types of stress and the different causes. Learn how stress affects you and how to relieve it.
Inside '300'
entertainment.howstuffworks.com/inside-300.htm
Centuries after an army of 300 Spartan warriors held off 100,000 Persian invaders, the story has been realized on screen as '300.' Go behind the scenes.
Knee Replacement Overview
health.howstuffworks.com/medicine/surgeries-procedures/knee-replacement.htm
Getting a knee replacement is often a last resort for those whose knees are destroyed by arthritis or wear and tear. Learn about knee replacements.
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.
1970-1979 Ford Trucks
auto.howstuffworks.com/1970-1979-ford-trucks.htm
The Courier and Louisville Line were Ford's new 1970-1979 trucks. Learn more about Ford trucks in the 1970s and see truck photos at HowStuffWorks.
Inside 'Harry Potter and the Order of the Phoenix'
entertainment.howstuffworks.com/harry-potter-phoenix.htm
'Harry Potter and the Order of the Phoenix' is the fifth movie in the Harry Potter film franchise. Go inside 'Harry Potter and the Order of the Phoenix.'
How Meth Works
science.howstuffworks.com/meth.htm
Meth, or methamphetamine, is a stimulant that can leave users toothless and paranoid. So why do so many people go after that high? Learn what meth can do.