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Headaches 101
health.howstuffworks.com/diseases-conditions/headache/headache.htm
Headaches are a frequent pain (literally) for many. What causes headaches, and can they be prevented? Are primary or secondary headaches more dangerous?
How Sunspots Work
science.howstuffworks.com/sunspot.htm
Sunspots are explained in this article. Learn about sunspots.
How Caffeine Works
science.howstuffworks.com/caffeine.htm
Caffeine is one of the most commonly-used drugs -- 90% of Americans use it. Learn why caffeine is America's most popular drug and what it does to your body.
How Plastics Work
science.howstuffworks.com/plastic.htm
Plastics can be found in a wide variety of products. They are everywhere. Find out how plastics are made and learn about uses for plastics.
How Déjà Vu Works
science.howstuffworks.com/science-vs-myth/deja-vu.htm
Déjà vu is the feeling that you have experienced a situation before even though you know you haven't. Learn about déjà vu and theories behind déjà vu.
5 Reasons Commercial Airplanes Crash
science.howstuffworks.com/transport/flight/modern/reasons-commercial-airplanes-crash.htm
Although it doesn't happen often, large passenger jets crash for many reasons, from mechanical failure to pilot error.
10 Cretaceous Animals That Weren't Dinosaurs
animals.howstuffworks.com/animal-facts/10-cretaceous-animals-that-werent-dinosaurs.htm
The dinos hog all the Cretaceous headlines. Do you have any idea what else scurried, hopped and otherwise cruised around Earth before the K-T mass extinction?
Why Does Hydrogen Peroxide Bubble When You Put It on a Cut?
science.howstuffworks.com/innovation/science-questions/question115.htm
Hydrogen peroxide is something that is used to clean cuts. Have you ever wondered why it foams when placed on a cut? Learn about hydrogen peroxide.
What causes the loud banging noise in my home's pipes?
home.howstuffworks.com/question89.htm
What causes the loud banging noise in my home's pipes? For example, when I turn off the faucet I hear it. Is there a way to prevent it?
December 29 Birthday Astrology
entertainment.howstuffworks.com/horoscopes-astrology/december-29-birthday-astrology.htm
A Capricorn born December 29 is symbolized by the Goat and has an attractive and charming nature. Learn about December 29 birthday astrology.