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How the Body Uses Cholesterol
Cholesterol is vital because of the role it plays in body chemistry. Learn what it produces in the body, including estrogen, testosterone and bile.
HowStuffWorks Illustrated: How Physics Helps Animals Fly
science.howstuffworks.com/transport/flight/modern/how_physics_helps_animals_fly.htm
HowStuffWorks explains how physics helps animals get airborne.
How to Fix Cracked Plaster in 4 Steps
home.howstuffworks.com/home-improvement/home-diy/projects/how-to-fix-cracked-plaster.htm
Older homes often have lath-and-plaster walls. Latex paint will hide hairline cracks in plaster, but only temporarily. Larger cracks actually are easier to fix. Learn how to repair cracked plaster.
How to Build a Magnetic Generator
home.howstuffworks.com/home-improvement/construction/how-to-build-magnetic-generator.htm
You'd like to build a magnetic generator as you've heard it's just the thing to provide cheap energy for your house. Read on and learn how to build a small model magnetic generator before you progress to the bigger version.
How to Repair Kitchen Equipment
home.howstuffworks.com/how-to-repair-kitchen-equipment.htm
Make your kitchen feel like new with our instructions on sharpening knives and scissors; fixing china, porcelain, and glass; making a polish for brass, silver, and copper; and making new potholders out of old towels.
How to Prevent Harmful Infections
health.howstuffworks.com/wellness/preventive-care/how-to-prevent-viral-infections.htm
The bacteria and viruses that cause harmful infections are lurking everywhere. Avoid dangerous infections by following these important tips.
How does a pacemaker work?
health.howstuffworks.com/medicine/modern-technology/how-does-a-pacemaker-work.htm
Pacemakers can help someone that suffers from a heart disease. Learn more about pacemakers from Discovery Health.
How to Repaint Stained Walls
home.howstuffworks.com/home-improvement/repair/how-to-repaint-stained-walls.htm
Stains can be tricky to paint over, but it can be done. You'll need to do the proper prep and pick the right paint to get a professional look.
How to Install Wall Treatments
home.howstuffworks.com/home-improvement/home-diy/projects/how-to-install-wall-treatments.htm
Learn to install wall treatments in this article, from stucco to fabric, to cork and mirrored tiles, as well as paneling and brick.