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How Fingerprint Scanners Work

computer.howstuffworks.com/fingerprint-scanner.htm

Your fingerprints are not only unique; they're also very hard to fake and even harder to misplace. What better ID to use in a security system? Learn how fingerprint scanners know it's you.

How Kwanzaa Works

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

The holiday of Kwanzaa is a time to honor African traditions. It lasts seven days, uses seven symbols and sets forth seven ideals. How is it celebrated?

10 Questions to Ask at a Job Fair

money.howstuffworks.com/business/getting-a-job/10-questions-to-ask-at-job-fair.htm

Want to know what questions to ask at a job fair? Visit HowStuffWorks to learn what 10 questions to ask at a job fair.

Can I convert my car to run on water?

auto.howstuffworks.com/fuel-efficiency/fuel-consumption/water-fuel.htm

Water for fuel in lieu of oil is a breakthrough technology -- we might break our addiction to oil. Read more about the promise of water for fuel.

Where do butterflies get their striking colors?

animals.howstuffworks.com/insects/butterfly-colors.htm

Butterfly color is some of the most striking in nature. Learn how butterfly wings use ordinary color and structural color.

Why do flamingos stand on one leg?

animals.howstuffworks.com/birds/flamingos-stand-on-one-leg.htm

Why do flamingos stand on one leg? Learn possible explanations of why flamingos stand on one leg and find out about their other unusual behaviors.

Which is greener, gas or electric cooking?

home.howstuffworks.com/gas-vs-electric-cooking.htm

Is it better to use electricity or gas for cooking? Which is greener? Answer the question: Is it better to use gas or electricity for cooking.

How Line Producers Work

entertainment.howstuffworks.com/line-producer.htm

Line producers are a critical part of the film making process. Learn more about how line producers work at HowStuffWorks.

Are we 10 years away from artificial life?

science.howstuffworks.com/life/genetic/artificial-life-news.htm

Artificial life could exist as soon as 10 years from now, according to an Associated Press article published in 2007. Learn about artificial life.

How can a speed bump harvest electricity?

auto.howstuffworks.com/fuel-efficiency/fuel-consumption/speed-bump-harvest-electricity.htm

How can a speed bump harvest electricity? Read how engineers could potentially get green energy from speed bumps and kinetic plates.

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