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Headaches 101
health.howstuffworks.com/diseases-conditions/headache/headache.htm
Headaches are a frequent pain (literally) for many. What causes headaches, and can they be prevented? Are primary or secondary headaches more dangerous?
How Bridges Work
science.howstuffworks.com/engineering/civil/bridge.htm
Bridges support tremendous weight, span huge distances and all the while withstand the greatest forces of nature. Find out about these engineering feats (as well as some of the flaws).
How Autopsies Work
science.howstuffworks.com/autopsy.htm
The thought of an autopsy usually provokes fear, apprehension or extreme anxiety in people. Cut through the mystery of this process and learn the details of the preparation, procedures and tools used to perform an autopsy.
How Holograms Work
science.howstuffworks.com/hologram.htm
If you want to see a hologram, you don't have to look much farther than your wallet. But the most impressive holograms are large scale and illuminated with lasers or displayed in a darkened room with carefully directed lighting. Learn how a hologram, light and your brain work together make clear, 3-D images.
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.
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 Lunar Rovers Work
science.howstuffworks.com/lunar-rover.htm
Lunar rovers have increased our knowledge of the moon by letting us travel long distances. See what's next for lunar rovers and how they've changed.
How Elon Musk Works
science.howstuffworks.com/elon-musk.htm
Internet king turned rocketman? After making his fortune on the Web, Elon Musk entered the commercial space race. Will this businessman and his SpaceX company make space tourism affordable?
How SATs Work
money.howstuffworks.com/personal-finance/college-planning/admissions/sat.htm
The SAT is explained in this article. Learn about the SAT.
What Is the Rosetta Stone and Why Is the Artifact Important?
science.howstuffworks.com/environmental/earth/archaeology/rosetta-stone.htm
Hieroglyphics used to be a language that no one -- Egyptian or otherwise -- could decipher. With the help of the Rosetta Stone, that all changed.