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How Zero-gravity Flights Work
science.howstuffworks.com/zero-g.htm
Zero gravity flights are used to simulate a zero gravity environment for astronauts in training. Find out how zero gravity flights simulate weightlessness.
How China's Pollution Sniffers Work
science.howstuffworks.com/environmental/green-science/pollution-sniffer.htm
Air pollution in China has spurred the training of air pollution sniffers to detect toxic gas. Read more about air pollution detection through smell.
Can China control the weather?
science.howstuffworks.com/nature/climate-weather/meteorologists/cloud-seeding.htm
Weather control is being looked at by Chinese officials as a way of ensuring clear skies for the Olympic Games. Read about weather control methods.
How the Zumwalt Class Destroyer Works
science.howstuffworks.com/zumwalt.htm
The Zumwalt is the military's class of next-generation destroyers. Find out how the Zumwalt class destroyer works and learn about Zumwalt technology.
What's a beer battery?
science.howstuffworks.com/environmental/energy/beer-battery.htm
A beer battery uses a brewery's waste water to generate electricity. Learn how a beer battery works and about microbial fuel cells.
Why would circumcision decrease a man's risk of contracting AIDS?
science.howstuffworks.com/environmental/life/cellular-microscopic/circum-aids.htm
The results of three recent studies show that an uncircumcised man is twice as likely to contract AIDS from an infected woman as is a circumcised one.
Is a lack of sleep making me fat?
science.howstuffworks.com/life/inside-the-mind/human-brain/sleep-obesity.htm
With an ever-increasing number of studies finding a direct connection between sleep deprivation and weight gain, it's difficult to deny the cause-and-effect relationship.
Could reversing global warming start an ice age?
science.howstuffworks.com/environmental/green-science/question780.htm
Reversing global warming is discussed in this article. Learn about reversing global warming.
Where did the moon come from?
science.howstuffworks.com/question777.htm
The origin of the moon is explained in this article. Learn about the origin of the moon.
How F/A-22 Raptors Work
science.howstuffworks.com/f-22-raptor.htm
The F/A-22 Raptor incorporates the latest stealth technology with a wide array of weapons and computer systems. Learn what sets this jet apart from the F-15.