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What Are Mines?
science.howstuffworks.com/engineering/structural/underground-mining.htm
Underground mining has come a long way from the days of men with pickaxes and canaries. It relies much more heavily on machinery that makes it much safer than in the past. Which techniques are used in mining today?
Test Your Knowledge of the Industrial Revolution
play.howstuffworks.com/quiz/test-your-knowledge-of-the-industrial-revolution
Test your knowledge of what went down during the age of expanding landscapes, incredible innovation and the ultimate shift in life as people knew it.
When Were the Twin Towers Built?
science.howstuffworks.com/engineering/structural/wtc.htm
The twin towers of the World Trade Center were true originals -- their history is one of innovation, persistence and grand ideas.
How Guitar Hero Works
electronics.howstuffworks.com/guitar-hero.htm
Guitar Hero has gripped video gamers as hard as they grip their axes. Find out more about how to play Guitar Hero and Guitar Hero's following.
How Carbon Capture Works
science.howstuffworks.com/environmental/green-science/carbon-capture.htm
We know that humans are largely responsible for fueling global warming with our carbon emissions. So what if we could seize all that carbon and squirrel it away in a safe place? Well, we can. It's just hard and really expensive.
How LSD Works
science.howstuffworks.com/lsd.htm
LSD, also sometimes known as acid or Electric Kool-Aid, was the drug of choice for hippies. What made LSD so popular and what are acid trips like?
Wine Basics
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Good wine is one of life's greatest pleasures. Learn about the varieties of wine, how to read a wine label, wine tasting, and wine terminology.
How Ocean Currents Work
science.howstuffworks.com/environmental/earth/oceanography/ocean-current.htm
Ocean currents may be driven by tides, winds or differences in density. Learn how ocean currents affect marine transportation and nutrient cycling.
Egg Donation Overview
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fertility/egg-donation.htm
Egg donation is one option for women or couples with fertility problems. Learn about egg donation and find out what it takes to be an egg donor.
How Keogh Retirement Plans Work
money.howstuffworks.com/personal-finance/retirement-planning/keogh-retirement-plans.htm
Keogh Retirement Plans are a good way for self-employed people to plan for retirement. Learn more about Keogh Retirement Plans.