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What is clean coal technology?
science.howstuffworks.com/environmental/green-science/clean-coal.htm
Clean coal reduces the harmful emissions caused by the burning of fossil fuels. Learn about the development of clean coal and the uses for clean coal technology.
How Stress Works
science.howstuffworks.com/life/inside-the-mind/human-brain/how-stress-works.htm
Understanding stress requires you to learn the various types of stress and the different causes. Learn how stress affects you and how to relieve it.
Knee Replacement Overview
health.howstuffworks.com/medicine/surgeries-procedures/knee-replacement.htm
Getting a knee replacement is often a last resort for those whose knees are destroyed by arthritis or wear and tear. Learn about knee replacements.
10 Perennials for the Northeast
home.howstuffworks.com/lawn-garden/professional-landscaping/5-perennials-for-the-northeast.htm
Perennials for the Northeast usually don't survive the harsh, cold winters. But there are 10 perennials for the Northeast that can sustain.
1949-1961 Jaguar XK Sports Cars
auto.howstuffworks.com/1949-1961-jaguar-xk-sports-cars.htm
Jaguar's 1949-1961 Jaguar XK-120, XK-140, and XK-150 are some of the most popular sports cars ever built. Learn all about the Jaguar XK sports cars.
Nature Craft Projects for Kids
lifestyle.howstuffworks.com/crafts/nature-crafts/nature-craft-projects-for-kids.htm
Nature craft projects for kids are fun, and kids will learn a lot too! Learn to do all sorts of nature craft projects for kids at HowStuffWorks.
How Pregnancy Works
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/conception/pregnancy.htm
Pregnancy revolves around the goal of turning a mass of cells into a baby. Explore each trimester of pregnancy and learn about pregnancy issues, from c-sections to amniocentesis.
How IPOs Work
money.howstuffworks.com/ipo.htm
Initial public offerings have been around for centuries - every company with shares that are publicly traded on the stock market had an IPO at one point. Find out what an IPO is and how it makes people rich.
10 Conditions the ER Can't Help You With
health.howstuffworks.com/medicine/10-conditions-the-er-cant-help-you-with.htm
When should you go to the ER? If you have one of these 10 conditions, the emergency room isn't for you.
How Laptops Work
computer.howstuffworks.com/laptop.htm
Laptops are now as popular as desktops, and the price gap is closing. Learn about laptops, upgrading laptop memory, laptop batteries and more.