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How far underground are oil deposits?

science.howstuffworks.com/environmental/energy/underground-oil-deposits.htm

The U.S. consumes 19.1 million barrels of petroleum each day -- almost half of it in the form of gasoline, according to the U.S. Energy Information Administration.

How Did Helen Keller Fly a Plane in 1946?

history.howstuffworks.com/historical-figures/did-helen-keller-fly-a-plane.htm

Helen Keller accomplished a lot in her lifetime. Despite becoming deaf-blind at 18 months of age, she authored multiple books, engaged in outspoken activism and gave lectures around the world. But did Helen Keller fly a plane?

What are the different types of drywall screws?

home.howstuffworks.com/different-types-drywall-screws.htm

Drywall screws are classified according to length and pitch. Learn more about the different types of drywall screws from this article.

How to Become a Dog Breeder

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Do you know how to become a dog breeder? Find out how to become a dog breeder in this article from HowStuffWorks

Do I really need to replace all four tires at the same time?

auto.howstuffworks.com/replacing-tires.htm

Do I really need to replace all four tires at the same time? Find out if you really need to replace all four tires at the same time at HowStuffWorks.

How to Clean Bathtub Jets

home.howstuffworks.com/home-improvement/household-hints-tips/cleaning-organizing/clean-bathtub-jets.htm

Avoid the bacteria and soap scum in your bathtub jets with these simple cleaning tips.

Ancient Kite Fishing Technique Makes Its Way Into Modern Waters

people.howstuffworks.com/culture-traditions/cultural-traditions/modern-kite-fishing.htm

How can fishers use kites to catch fish? Learn more about kite fishing in this HowStuffWorks article.

Scientists Call for a Global Germ Bank

science.howstuffworks.com/life/cellular-microscopic/scientists-call-for-global-germ-bank.htm

Researchers are calling for a new "Noah's Ark" to store microbes that might one day be valuable.

The Science Behind Your Cat's Catnip Craze

science.howstuffworks.com/life/botany/science-behind-cats-catnip-craze.htm

Researchers are studying the chemistry behind what makes cats go crazy for catnip. And whether or not the chemical compound could have medicinal benefits for treating diseases like cancer.

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