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Top 5 Ways Nature Has Inspired Technology
science.howstuffworks.com/environmental/green-tech/sustainable/5-ways-nature-inspired-technology.htm
Some of the newest ideas in technology come from very old ideas -- they're inspired by nature. How do the plants and animals around us give engineers ideas?
How Street Sweepers Work
auto.howstuffworks.com/street-sweeper.htm
Street sweepers have been around for more than a century keeping our roads clean. Learn the history of street sweepers and what they're like today.
What brought bison back from the brink of extinction?
animals.howstuffworks.com/endangered-species/bison-extinction.htm
Bison extinction seemed imminent during the 1800s, as the market for buffalo hide boomed. Learn how men like Teddy Roosevelt prevented bison extinction.
How Kill A Watt Works
science.howstuffworks.com/environmental/green-tech/sustainable/kill-a-watt.htm
Kill A Watt is a new type of energy monitor. Learn about Kill A Watt.
How the Dyson Bladeless Fan Works
electronics.howstuffworks.com/gadgets/home/dyson-bladeless-fan.htm
The Dyson Air Multiplier works like a fan, but it has no blades. Can it be as effective as a traditional fan? What's so different about it?
The Lymph System
health.howstuffworks.com/human-body/systems/lymphatic/lymph-system.htm
The lymph system is the body's drainage system. It is composed of a network of vessels and small structures called lymph nodes. Explore the lymph system.
How could someone with relatively healthy arteries be at risk for a heart attack?
Those with healthy arteries can still have a heart attack. Learn the two big reasons why people with healthy arteries can have a heart attack.
How Horsepower Works
auto.howstuffworks.com/horsepower.htm
Horsepower rates the engine performance of cars and even lawn mowers. Learn what horsepower means, how it is measured and how it works in high-performance cars.
Could blood be used to power batteries?
electronics.howstuffworks.com/everyday-tech/blood-battery.htm
Blood batteries as thin as a sheet of paper are currently under development by scientists at Rensselaer Polytechnic Institute. Read about blood batteries.
Where's the Best Place to Take a Bullet if You Get Shot?
health.howstuffworks.com/human-body/parts/best-place-to-get-shot.htm
Taking a shot is not something we want to happen, but if it did, where is the best place to take a bullet? Find out where the best place to take a bullet is.