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How can a rabbit tell me if I'm pregnant?
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/conception/rabbit-pregnancy.htm
A rabbit pregnancy test involved injecting the animal with human urine and analyzing hormonal response. Learn how the rabbit pregnancy test works.
How the Civilian Conservation Corps Worked
money.howstuffworks.com/economics/volunteer/organizations/civilian-conservation-corp.htm
The Civilian Conservation Corps was one of the New Deal's most successful programs. Read about the Civlian Conservation Corps in this article.
Are Dinosaurs Real? What We Know About the Extinct Creatures
science.howstuffworks.com/environmental/earth/geology/dinosaur.htm
Are dinosaurs real? Most people don't have to travel too far to answer that question in the affirmative with some kind of exhibit displaying dinosaur fossils. Or simply look at any bird you can see outside your home.
1955 Lancia Florida
auto.howstuffworks.com/1955-lancia-florida.htm
Created in Italy, the 1955 Lancia Florida was a completely new kind of car. See pictures and learn about the Florida's design and lasting impact.
How Shotguns Work
science.howstuffworks.com/shotgun.htm
To do its job, a projectile must both make contact with the target and hit the target in a critical spot. If a rifle is like using a felt-tip pen, a shotgun is like using a can of spray paint.
How Towing Weight Distribution Systems Work
auto.howstuffworks.com/auto-parts/towing/equipment/hitches/towing-weight-distribution-systems.htm
Towing weight distribution systems make towing a lot safer. Learn all about towing weight distribution systems at HowStuffWorks.
5 Green Methods to Survive the Apocalypse
science.howstuffworks.com/environmental/green-science/5-green-methods-to-survive-apocalypse.htm
The green movement isn't going to die just because the world ends. In fact, sustainable types might even have a leg up post-apocalypse. Here's how.
10 Worst Ways History Has Repeated Itself
history.howstuffworks.com/historical-events/10-worst-ways-history-has-repeated-itself.htm
As they say, if we don't learn from history, we're doomed to repeat it. And as these 10 historical events prove, humans seem to be more prone to repeating than learning.
How Waterless Toilets Work
science.howstuffworks.com/environmental/green-tech/sustainable/waterless-toilet.htm
Waterless toilets are a great way to save water. Visit HowStuffWorks to learn all about waterless toilets.
How Recycling Works
science.howstuffworks.com/environmental/green-science/recycling.htm
Recycling involves taking something useful and turning it into something new instead of throwing it away. Learn about recycling and the many types of recycling.