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What can your spit tell you about your DNA?
science.howstuffworks.com/life/genetic/spit-dna.htm
Doctors always want your blood, but one day, a health care professional may ask you to open up and say, "Ptooey!" Why? Your spit holds a mother lode of biological information.
10 Most Popular Hitch Accessories -- and Why?
The right hitch accessories such as safety chains can make or break your towing experience. Find out what the 10 most popular hitch accessories are.
How to Make Your Attic More Than an Attic
home.howstuffworks.com/home-improvement/remodeling/make-attic-more.htm
Ever wonder how to make your attic more than just an attic? Visit HowStuffWorks to learn about the cool things you can do with your attic space.
Top 5 Most Popular Guns - and Why
science.howstuffworks.com/5-most-popular-guns.htm
Whether they're antique rifles or modern handguns and shotguns, firearms are popular in the United States. So which pieces are people packing?
How Gas Pumps Work
auto.howstuffworks.com/gas-pump.htm
Gas pumps are one of those little things you interact with all the time, but don't know much about. Learn about gas pumps at HowStuffWorks.
English Country Garden Ideas
home.howstuffworks.com/gardening/garden-design/english-country-garden-ideas.htm
Balance formal and informal in your garden and create a spot of English countryside. Use our garden photos and English country garden ideas to start.
Fantastic Four's Canon Report Card
entertainment.howstuffworks.com/arts/comic-books/fantastic-four.htm
'Fantastic Four' hit the big screen in 2005, but Roger Corman produced an earlier version in 1994. Learn how all three Fantastic Four movies stack up.
How the Patriot Act Works
people.howstuffworks.com/patriot-act.htm
The Patriot Act was created to strengthen domestic security and prevent terrorism. Learn about the Patriot Act and find out why the Patriot Act is controversial.
Great Pacific Garbage Patch: The World's Biggest Landfill in the Pacific Ocean
science.howstuffworks.com/environmental/earth/oceanography/great-pacific-garbage-patch.htm
The Great Pacific Garbage Patch, the world's largest landfill, is located in the middle of the Pacific. Read about the Great Pacific Garbage Patch.
How CIPA Works
science.howstuffworks.com/life/inside-the-mind/human-brain/cipa.htm
You might think that not being able to feel pain would be a blessing. No tears, no painkillers, no lingering aches. But really, not being able to feel pain is dangerous.