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If a giraffe's neck only has seven vertebrae, how is it so flexible?
animals.howstuffworks.com/mammals/giraffe-neck.htm
A good portion of a giraffe's height comes from its statuesque neck. But how do these lanky creatures get their necks in such pretzel-like positions?
The Conch Is an Endangered Sea Snail That Needs Your Help
animals.howstuffworks.com/endangered-species/conch.htm
Before collecting that conch shell, learn how over-harvesting for meat and souvenirs has endangered conch populations and what you can do to help their survival.
How the Machine Gun Revolutionized Warfare
science.howstuffworks.com/machine-gun.htm
The invention of the machine gun forever changed the battlefield. While soldiers once had to reload after a single shot, they now can fire hundreds of rounds per minute without a single pause.
How Digital Cinema Works
entertainment.howstuffworks.com/digital-cinema.htm
Big changes are brewing in the movie industry: Emerging digital technology is about to revolutionize studios as well as your local movie theater. Find out why Hollywood's going digital!
CPR: What You Need to Know
health.howstuffworks.com/medicine/first-aid/cpr.htm
CPR can save lives, and you don't have to be a doctor to learn how to give CPR. Learn CPR technique with diagrams and step-by-step explanations.
How Wearable Technology Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/computer-clothing.htm
The idea of technology that you wear isn't new, but it's an industry that's exploding in popularity, from Google Glass to fabrics that turn movement into electricity.
How Movie Projectors Work
entertainment.howstuffworks.com/movie-projector.htm
When you see a movie in the theater, do you notice the projector? Without it, you'd be staring at a blank screen. Enter the projection booth and learn what it takes to show a movie.
How HD-DVD Works
electronics.howstuffworks.com/hd-dvd.htm
HD-DVD was designed for the storage of high-definition video. Find out about HD-DVD, how HD-DVD players work and see how HD-DVD compared to Blu-Ray.
How E85 Ethanol Flex Fuel Works
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/how-e85-ethanol-flex-fuel-works.htm
Learn what E85 is and why some people believe this alternative fuel has the potential to reduce our nation's dependence on foreign oil.
How Kissing Works
people.howstuffworks.com/kissing.htm
Anthropologists report that 90 percent of the people in the world kiss. Learn how one gesture has come to signify affection, celebration, grief, comfort and respect.