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How Fuel Cells Work
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/fuel-cell.htm
A hydrogen fuel cell is an electrochemical energy conversion device. Learn why governments are pouring money into fuel cell research.
How Socialism Works
money.howstuffworks.com/socialism.htm
Socialism is an economic system that promotes societal equality. Learn how socialism differs from forms of government like capitalism and communism.
How Wasps Work
animals.howstuffworks.com/insects/wasp.htm
Though wasps offer useful services to the environment, wasps also inflict great pain on victims. Learn why wasps are amazing, and disturbing, insects.
How Female Puberty Works
health.howstuffworks.com/wellness/women/general/female-puberty.htm
Female puberty marks a tough transition to adulthood. From body development, periods and hormonal mood changes, learn what to expect in female puberty.
How Car Engines Work
auto.howstuffworks.com/engine.htm
It's the reason you can put the pedal to the metal and go from 0 to 60 in seconds. But to the uninitiated, an engine can look like a jumble of metal and wires.
10 Things That Aren't Free Speech
people.howstuffworks.com/10-things-that-arent-free-speech.htm
Free speech is a very guarded freedom, but that doesn't mean citizens can say whatever they like with no punishment. Learn more at HowStuffWorks.
10 Creative (But Legal) Tax Deductions
Tax time means it's time to see what you can write off to lower your tax bill. Check out 10 creative (but legal) tax deductions at HowStuffWorks.
How Geodesic Domes Work
science.howstuffworks.com/engineering/structural/geodesic-dome.htm
If you think regular old domes took the world of structural engineering by storm, you should meet their geodesic cousins. What is a geodesic dome, and who first came up with the idea of building triangle-covered spheres as practical structures?
Why Some Cultures Require Women to Wear Veils
people.howstuffworks.com/veil.htm
Burqas are commonly associated with repression and religious extremism. But to many people, the veil is a sign of modesty and piety, as well as a badge of honor. What is the true meaning of the veil?
How Biofilm Works
science.howstuffworks.com/life/cellular-microscopic/biofilm.htm
Biofilms form when single microorganisms attach to a hydrated surface and undergo a "lifestyle switch." Learn about biofilms in this article.