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Mosquito Types, Traits, Lifecycle and Repellants
animals.howstuffworks.com/insects/mosquito.htm
Mosquitoes are insects that have been around for over 30 million years. Learn about mosquitoes and find out how to reduce mosquito populations.
How Ultrasound Works
science.howstuffworks.com/ultrasound.htm
Ultrasound lets us peek into the human body to see everything from heart valves to a moving baby. But how do sound waves give us a picture?
How Sound Cards Work
computer.howstuffworks.com/sound-card.htm
Before the invention of the sound card, a PC could make one sound -- a beep. Sound cards truly ushered PCs into the world of multimedia. Learn how a sound card allows a computer to create and record real, high-quality sound.
How Does a Breathalyzer Work?
electronics.howstuffworks.com/gadgets/automotive/breathalyzer.htm
A roadside sobriety test of touching one's nose or walking a straight line cannot rule out a high blood alcohol concentration. That's why the Breathalyzer is such a game-changer. But how does a Breathalyzer work? Read on to find out!
What Is a Clutch? Car Mechanics, Explained
auto.howstuffworks.com/clutch.htm
Anyone with a manual transmission knows that a clutch connects and disconnects the engine and transmission. But did you know that automatics have clutches, too? Read on to discover how a clutch car works!
Is hydrogen fuel dangerous?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/dangerous-hydrogen-fuel.htm
Hydrogen fuel is an attractive alternative fuel source. Learn about hydrogen fuel and the dangers of the element, including the Hindenburg disaster story.
How Reel Mowers Work
home.howstuffworks.com/reel-mower.htm
Reel mowers rely on human exertion to both move and mow. Learn about the advantages reel mowers hold over gas-powered and rotary lawn mowers.
How Hammerhead Sharks Work
animals.howstuffworks.com/fish/sharks/hammerhead-shark.htm
Hammerhead sharks are funny-looking and not very dangerous to humans. Why do hammerhead sharks have that odd head? Explore the world of hammerheads.
What's an NLOS cannon?
science.howstuffworks.com/nlos.htm
The NLOS cannon can fire rounds from far away with less collateral damage. Read about NLOS cannon and its role in future military warfare.
Cryptozoology: Hunting Bigfoot and Other Mysterious Beasts
science.howstuffworks.com/science-vs-myth/strange-creatures/cryptozoology.htm
Cryptozoology is the study of creatures that are rumored to exist. But for true believers, these "cryptids" are alive and well and lurking among us.