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How did 168 conquistadors take down the Incan empire?
history.howstuffworks.com/history-vs-myth/conquistador-incan-empire.htm
The Incan empire was erased from existence by fewer than 200 men, but how was this possible? Find out how the Incan empire was brought down.
What is organic certification?
recipes.howstuffworks.com/organic-certification.htm
Organic foods and other products are popping up everywhere.
All About WITSEC, aka the Witness Protection Program
people.howstuffworks.com/witness-protection.htm
The Federal Witness Security Program protects crucial witnesses. How do you erase one identity and create a whole new one? Find out how the Witness Security Program "relocates" witnesses and their families.
How Central Vacuum Systems Work
home.howstuffworks.com/central-vacuum.htm
When the floor needs a good cleaning, most of us reach for the portable vacuum cleaner and drag it around the house. Well, what if your whole house were a vacuum? Find out how central vacuum systems work.
Understanding Postpartum Depression
Postpartum depression is a very real and often very frightening occurrence that affects about half of new mothers. Learn about postpartum depression.
5 Vitamins for Men's Sexual Health
health.howstuffworks.com/wellness/men/health-tips/5-vitamins-for-mens-sexual-health.htm
There are some great vitamins for men's sexual health. Visit HowStuffWorks to find 5 vitamins for men's sexual health.
How Long After Sex Does Conception Occur?
How long after sex does conception occur? Visit HowStuffWorks to learn how long after sex conception occurs.
What Is the Chemtrails Conspiracy Theory?
science.howstuffworks.com/transport/flight/modern/what-are-chemtrails.htm
It's hard to look up in the sky on a clear day and not see a "cloud" trailing from an airplane. They're called contrails, though some refer to them as "chemtrails" and have odd explanations for their existence.
Mole Removal Overview
health.howstuffworks.com/skin-care/problems/treating/mole-removal.htm
Mole removal can be somewhat tricky. Learn about how mole removal works at HowStuffWorks.
Skin Wrinkles Overview
health.howstuffworks.com/skin-care/problems/beauty/skin-wrinkles.htm
Skin wrinkles are a common beauty skin problem. Learn more about how skin wrinkles work at HowStuffWorks.