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What Is the Linea Nigra of Pregnancy?
What is the linea nigra? HowStuffWorks looks at the dark line of pregnancy.
Why Does Hydrogen Peroxide Come in a Brown Bottle?
science.howstuffworks.com/why-does-hydrogen-peroxide-come-in-brown-bottle.htm
You probably have a bottle of the stuff at your house. Have you ever seen it come in any color bottle besides brown?
When should you take digestive enzymes?
health.howstuffworks.com/diseases-conditions/digestive/digestive-enzymes.htm
Digestive enzymes are substances secreted predominately by the stomach and small intestine. Learn about the health benefits of digestive enzymes.
Is sleep that important?
health.howstuffworks.com/mental-health/sleep/basics/importance-of-sleep.htm
The importance of sleep is something you hear about often in health news, but is lots of sleep really necessary? Investigate the importance of sleep.
What to Do With Old Computers: 3 Responsible Options
computer.howstuffworks.com/discarded-old-computer.htm
After years of hard work and loyalty, some computers must finally retire. But since they can't take a pension and move to Florida, where do old computers end up?
What is it like to sleep in space?
science.howstuffworks.com/sleep-in-space.htm
What is it like to sleep in space? With 16 sunsets, getting shut-eye is a little harder than usual. Find out how astronauts doze in zero gravity.
How Ecofeminism Works
science.howstuffworks.com/environmental/green-science/ecofeminism.htm
Ecofeminism is a social movement that combines elements of feminism with ecology. Learn about ecofeminism and famous ecofeminists.
What are the benefits of hydrogen-powered vehicles?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/hydrogen-vehicle-benefit.htm
As new fuel sources are developed, some people wonder about hydrogen car benefits. Learn about some of the hydrogen car benefits in this article.
How HD Radio Works
electronics.howstuffworks.com/hd-radio.htm
HD Radio promises higher quality sound, more stations and extra information. See how HD radio works, from the digital signal to your HD radio receiver.
Is it easy to cheat in NASCAR?
auto.howstuffworks.com/auto-racing/nascar/nascar-basics/easy-to-cheat-nascar.htm
NASCAR cheating is a tricky subject. Some cases mean blatant cheating, and some the lines are blurred. Learn more about NASCAR cheating.