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Why don't we live underground?
people.howstuffworks.com/live-underground.htm
To live underground takes some serious planning: We've adapted to sunlight and air on the surface. Learn how to live underground and why it matters.
How Hydraulic Machines Work
science.howstuffworks.com/transport/engines-equipment/hydraulic.htm
Hydraulic machines do most of the heavy hauling and lifting on most construction projects. Learn about hydraulic machines and types of hydraulic machines.
8 Things Invented or Discovered by Accident
From cornflakes to Silly Putty, many of the things we consume today were created unintentionally. Here are the stories behind eight well-known inventions.
Should antibacterial soap be outlawed?
health.howstuffworks.com/skin-care/cleansing/myths/antibacterial-soap-outlawed.htm
Should antibacterial soap be outlawed? Read why antibacterial and antimicrobial products may threaten public health and affect your immune system.
How Air Purifiers Work
home.howstuffworks.com/air-purifier.htm
Americans spend an estimated $250 million annually on air purifiers for their homes. Learn why people buy air purifiers and how they work.
How to Carve a Pumpkin
people.howstuffworks.com/culture-traditions/holidays-halloween/pumpkin-carve.htm
This guide will give you a good idea of how to carve jack-o'-lanterns in a variety of sizes and styles using a range of techniques.
How to Determine Your Skin Type
health.howstuffworks.com/skin-care/information/skin-types/determine-your-skin-type.htm
Ever wonder how to determine your skin type? Visit HowStuffWorks to learn how to determine your skin type.
How to Build an Outhouse With a Composting Bucket Toilet
home.howstuffworks.com/how-to-build-an-outhouse-with-a-composting-bucket-toilet.htm
You can't flush and forget with a composting bucket toilet, but you can rest easy knowing you're turning a dangerous waste product into something potentially beneficial. But what are the logistics, and how do composting toilets differ from latrines?
Top 10 Things to Recycle at Your Construction Site
Are you wondering what are some things to recycle at construction site? Learn 10 things to recycle at construction site in this article.
How the Toto Washlet Works
home.howstuffworks.com/toto-washlet.htm
The Toto Washlet, a toilet seat with a personal spray jet, is marketed as a cleaner -- and greener -- alternative to toilet paper. How does this bidet-like product work to keep you fresh?