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How Fire Sprinkler Systems Work
home.howstuffworks.com/home-improvement/household-safety/fire-sprinker-system.htm
Did you know that a fire sprinkler system is designed to be triggered by extremely high heat? Learn all about how a fire sprinkler system works.
How Siri Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/siri.htm
Apple's mobile assistant Siri is the source of much comedy -- and frustration -- among users. How did Siri come to be, and how useful is it, really?
10 Amazing Ancient Egyptian Inventions
science.howstuffworks.com/innovation/inventions/5-amazing-ancient-egyptian-inventions.htm
There may be no greater tribute to a society's ingenuity and vision than the Great Pyramid of Giza in Egypt. What other cool stuff did the ancient Egyptians invent?
10 Worst Computer Viruses of All Time
computer.howstuffworks.com/worst-computer-viruses.htm
What is the worst computer virus? Some did billions of dollars in damages and lost productivity. Read about the 10 worst computer viruses of all time.
Were ancient Egyptians the first feminists?
history.howstuffworks.com/history-vs-myth/first-feminist.htm
The first feminists might've lived in ancient Egypt, where Herodotus documented aspects of gender equality. Did the first feminists live in ancient Egypt?
How to Measure Sound Travel in the Air
science.howstuffworks.com/how-to-measure-sound-travel-air.htm
Did you ever wonder how to measure how fast sound travels in the air? Read this article to learn how to measure sound travel in the air.
What Was the First War?
science.howstuffworks.com/invent-war.htm
Did humans invent war out of necessity, or was it invented purely to take advantage of someone else? Find out why we invented war in this article.
Before Christianity, Judaism and Islam, There Was Zoroastrianism
people.howstuffworks.com/zoroastrianism.htm
It's the oldest (and probably most obscure) monotheistic religion. So, how did it influence so many of the better-known ones? And will Zoroastrianism survive?
Sistine Chapel Art Hides Secret Female Anatomy Symbols, Claims New Analysis
entertainment.howstuffworks.com/arts/artwork/female-anatomy-symbols-hidden-sistine-chapel.htm
Did Michelangelo hide symbols for human genitals in the Sistine Chapel artwork? Learn more about a new study in this HowStuffWorks Now article.
Why the Mint Julep Is the Official Drink of the Kentucky Derby
recipes.howstuffworks.com/mint-julep.htm
The mint julep is as synonymous with the Kentucky Derby as big hats and seersucker suits. But how did this drink wind up at the world's most famous horse race?