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How Prohibition Worked

history.howstuffworks.com/historical-events/prohibition.htm

Prohibition was a constitutional amendment banning the sale and production of alcohol in the U.S. HowStuffWorks looks at prohibition and why it failed.

How Roller Derby Works

entertainment.howstuffworks.com/roller-derby.htm

Roller derby is roller skating on steroids. Find out how women's roller derby has evolved, how a roller derby bout works and how to train for roller derby.

How to Repair a Wood Fence

home.howstuffworks.com/how-to-repair-a-wood-fence.htm

A wood fence doesn't have to be replaced just because it's rotting. Find out how to repair posts, rails or even entire sections of a wood fence.

How to Choose Toys for a Child

lifestyle.howstuffworks.com/family/parenting/parenting-tips/how-to-choose-toys-for-a-child.htm

Knowing how to choose toys for your child can keep them safe during playtime. Learn how to buy children's toys and about toy safety.

How the CIA Works

people.howstuffworks.com/cia.htm

Despite plenty of Hollywood films about the CIA and its spies, many people still don't know what the agency actually does. Take a look at the history of the CIA.

How China's Pollution Sniffers Work

science.howstuffworks.com/environmental/green-science/pollution-sniffer.htm

Air pollution in China has spurred the training of air pollution sniffers to detect toxic gas. Read more about air pollution detection through smell.

How Carbon Offsets Work

science.howstuffworks.com/environmental/green-science/carbon-offset.htm

Carbon offsets are a form of trade that funds projects that reduce greenhouse gas emissions. Learn about carbon offsets and carbon offset programs.

How Gliders Work

science.howstuffworks.com/transport/flight/modern/glider.htm

Flying in a glider is about as close as you can get to soaring like a bird. Amazingly, these graceful machines manage their maneuvers without an engine. Learn how gliders fly without power.

Varicose Veins Causes and Treatments

health.howstuffworks.com/skin-care/problems/beauty/varicose-veins.htm

Varicose veins are a common beauty skin problem. Learn about how varicose veins work at HowStuffWorks.

How Light Pollution Works

science.howstuffworks.com/environmental/green-science/light-pollution.htm

Light pollution is explained in this article. Learn about light pollution.

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