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How Computer Viruses Work
computer.howstuffworks.com/virus.htm
A computer virus can cause a lot of damage. Find out about worms, computer virus history, origins, and evolution, and how to protect your computer.
Migraines Overview
health.howstuffworks.com/diseases-conditions/headache/migraine.htm
Migraines affect the lives of between 12 and 24 million Americans. Find out why migraines are so greatly underdiagnosed.
How Dark Matter Works
science.howstuffworks.com/dictionary/astronomy-terms/dark-matter.htm
For decades, stargazing scientists have been facing their own darkness on the edge of town as they try to explain one of astronomy's greatest mysteries: dark matter. Have they been successful, or will the universe carry its secrets for a long time?
Assess Your Garden Conditions
home.howstuffworks.com/gardening/garden-design/assess-your-garden-conditions.htm
All gardens need the right amount of light, good soil, and enough water to grow well. Learn how to assess your garden conditions at HowStuffWorks.
10 Reasons Not to Go to the ER
health.howstuffworks.com/medicine/10-reasons-not-to-go-to-er.htm
Wondering if your health emergency requires an emergency room visit? See 10 reasons not to go to the ER to find out.
10 Worst Ways History Has Repeated Itself
history.howstuffworks.com/historical-events/10-worst-ways-history-has-repeated-itself.htm
As they say, if we don't learn from history, we're doomed to repeat it. And as these 10 historical events prove, humans seem to be more prone to repeating than learning.
The 12 Most Aggressive Sharks
animals.howstuffworks.com/fish/sharks/most-dangerous-shark.htm
Dangerous sharks may not hunt humans, but if they took a sample bite, they could do some serious damage. Which 10 sharks make up the worst in the ocean?
How Facial Recognition Technology Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/facial-recognition.htm
Humans have always had the innate ability to recognize and distinguish faces, but computers only recently have shown the same ability. Learn how facial recognition systems work.
How Gnutella Works
computer.howstuffworks.com/file-sharing.htm
File-sharing allow tens of millions of people to freely trade MP3 and video files on the Internet. Is it legal? How are the files accessed? Is there a central database? Find out how this file-sharing structure works and see why it's harder for the record labels to sue.
How Car Cooling Systems Work
auto.howstuffworks.com/cooling-system.htm
A car engine produces so much heat that there is an entire system in your car designed to cool the engine down to its ideal temperature and keep it there. Learn all about fluid-based cooling systems.