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Blood Quiz: Do you know what's flowing through your veins?
play.howstuffworks.com/quiz/blood-quiz
A vampire is headed straight for you. "I vant to drink your blood," he hisses. To prevent him from sucking the life force straight out of you, you decide to distract him with your amazing knowledge of blood. Take the quiz and prove yourself.
What's the difference between stalactites and stalagmites?
science.howstuffworks.com/environmental/earth/geology/stalactite-stalagmite.htm
Stalactites and stalagmites are two common cave features that are often mistaken for each other. Learn about stalactites and stalagmites.
How Aeroponics Works
home.howstuffworks.com/lawn-garden/professional-landscaping/aeroponics.htm
Aeroponics is a growing method that uses few natural resources, but few people know how aeroponics works. Learn how aeroponics works here.
What Is Baking Powder, and How Does it Work?
recipes.howstuffworks.com/tools-and-techniques/baking-powder.htm
Baking powder is an essential ingredient when preparing baked goods.
What is root beer?
recipes.howstuffworks.com/question137.htm
What exactly is root beer? Check out this article to learn all about root beer, how it's made, and why it's called "beer" in the first place.
Repelling Mosquitoes Naturally
health.howstuffworks.com/wellness/preventive-care/repelling-mosquitoes.htm
Repelling mosquitoes naturally is just as effective as chemical repellants. Learn about strategies for repelling mosquitoes.
How Space Farming Works
science.howstuffworks.com/space-farming.htm
Space farming is the process of cultivating plants in space. Learn why space farming is important and how space farming will affect life on Earth
How Photosynthesis Captures Light and Powers Life on Earth
science.howstuffworks.com/life/cellular-microscopic/photosynthesis.htm
No life, except possibly very small bacteria, would exist on Earth without photosynthesis.
How Fast Does a Fart Travel?
health.howstuffworks.com/human-body/systems/digestive/how-fast-does-fart-travel.htm
We all fart, but how fast does that fart travel out of your body? Find out and learn more about passing gas at HowStuffWorks.
How do fog machines work?
entertainment.howstuffworks.com/arts/theater/question240.htm
How do fog machines work?