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Medical Uses for the Turkey Tail Mushroom
The turkey tail mushroom has elements that strengthen the immune system and reduce susceptibility to infections. Learn about this healing agent.
How Cable Television Works
electronics.howstuffworks.com/cable-tv.htm
Millions of people receive their television signal through a cable TV connection. Most of them don't actually know what "cable TV" is, what it does or how it got its name. Find out!
If airbags are so safe, why doesn't my car have more?
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/more-airbag.htm
Airbag safety has become a real issue for drivers as car accidents increase. Learn more about airbag safety here.
How 9-1-1 Works
people.howstuffworks.com/9-1-1.htm
911 gives people a single, easy-to-remember number to call in life-threatening situations. Learn how 911 has adapted to new cell phone and VoIP technology.
Planet Mercury: Fast, Pockmarked and Shrinking
science.howstuffworks.com/46004-mercury-explained.htm
Mercury is the closest planet to the sun, and it's the smallest in the solar system. So why does it have longer days than we have on Earth?
The Fertile Crescent Truly Was the Cradle of Civilization
history.howstuffworks.com/european-history/fertile-crescent.htm
A roughly crescent-shaped region encompassing modern-day Iraq, Syria, Lebanon, Jordan, Israel, Egypt, and parts of Turkey and Iran, the Fertile Crescent was home to the world's first settled agricultural communities.
How Telephone Country Codes Work
electronics.howstuffworks.com/telephone-country-codes.htm
Telephone country codes make it easy to call another country. Learn more about telephone country codes at HowStuffWorks.
11 Basic Math Symbols and How to Use Them
science.howstuffworks.com/math-concepts/basic-math-symbols.htm
Math is a language of symbols and equations and knowing the basic signposts is the first step in solving mathematical problems.
How the U.S. Draft Works
people.howstuffworks.com/us-draft.htm
While the U.S. has no draft currently, it does require military registration via the Selective Service System. What does that mean and what would happen if a draft was reinstated?
Ancient Babylonian Tablet May Show Early Trigonometry, But Some Experts Are Dubious
science.howstuffworks.com/math-concepts/babylon-tablet-plimpton-322-trigonometry.htm
A reinterpretation of an ancient Babylonian tablet shows that trigonometry might be 1,000 years older than thought. But there's some disagreement.