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11 Basic Math Symbols and How to Use Them

science.howstuffworks.com/math-concepts/basic-math-symbols.htm

Math is a language of symbols and equations and knowing the basic signposts is the first step in solving mathematical problems.

Emergence of Hunger Stones Signals Worst European Drought in 500 Years

history.howstuffworks.com/european-history/hunger-stones.htm

Hunger stones in European rivers mark droughts that lead to famines. What does their reappearance now mean for the health of the European economy?

Chances Are You'll Never See a Pine Marten in the Wild

animals.howstuffworks.com/mammals/pine-marten.htm

Pine martens are elusive and love to stay hidden in deep forests, but with strong claws, they are great climbers and hunters.

Petrichor: What Causes the Earthy Smell After Rain?

science.howstuffworks.com/nature/climate-weather/atmospheric/question479.htm

There's often a strong, quite pleasant, smell right after a rain shower. What accounts for petrichor, the 'smell of rain'?

The Ultimate Horror Movie Quiz

play.howstuffworks.com/quiz/the-ultimate-horror-movie-quiz

Ghastly ghouls, serial slashers, and all the things that go bump in the night. Can you ace our ultimate horror trivia test?

Do red-light cameras save lives?

auto.howstuffworks.com/red-light-cameras-save-lives.htm

Do red-light cameras save lives? Read about the effectiveness of red-light cameras at HowStuffWorks.

How Franchising Works

money.howstuffworks.com/franchising.htm

Want to be your own boss? Franchising gives you the opportunity to own your own business while skipping some of the more detailed steps. Learn all about franchising and how you can become an owner.

How Easter Works

people.howstuffworks.com/culture-traditions/holidays-other/easter.htm

Easter is celebrated by Christians each year and is the observance of the resurrection of Jesus Christ. Learn more about the Easter holiday.

How Alcatraz Worked

people.howstuffworks.com/alcatraz.htm

Alcatraz was built to house the worst criminals and said to be impossible to escape. See pictures of Alcatraz and go inside Alcatraz prison to meet its inmates.

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