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How the Black Death Worked
history.howstuffworks.com/historical-events/black-death.htm
How did the Black Death kill 25 million people? The Black Death caused devastation and hysteria. Learn how the Black Death spread and its effects.
How Indoor Air Pollution Works
home.howstuffworks.com/home-improvement/household-safety/indoor-air-pollution.htm
Indoor air pollution can be up to 10 times worse than outdoor air pollution. Learn about indoor air pollution, its sources and its health effects.
How WiFi Phones Work
electronics.howstuffworks.com/wifi-phone.htm
WiFi phones allow you to make calls for free over a wireless network. Learn about the technology behind WiFi phones and what the future has in store for VoIP.
How Social Security Works
money.howstuffworks.com/personal-finance/financial-planning/social-security.htm
Social Security pays benefits to retired and disabled Americans. Learn how the Social Security system works and why some say Social Security is bankrupt.
The Artificial Intelligence of Halo 2
electronics.howstuffworks.com/halo2-ai.htm
Are you tired of getting whipped by the Covenant? Learn how they think from the man who created the artificial intelligence for "Halo 2."
10 Ways You Can Tell If a Girl Likes You
health.howstuffworks.com/relationships/tips/5-ways-you-can-tell-if-a-girl-likes-you.htm
There are ways you can tell if a girl likes you. Visit Discovery Health to find 5 ways you can tell if a girl likes you.
10 Popular Jobs to Outsource
money.howstuffworks.com/10-jobs-to-outsource.htm
Outsourcing jobs can be a more affordable option for businesses. Learn about 10 popular jobs to outsource at HowStuffWorks.
The Auto Shop Quiz
play.howstuffworks.com/quiz/the-auto-shop-quiz
How much do you know about the specialized tools mechanics use to get you - and keep you - on the road? This quiz will test your knowledge on everything from creepers to engine hoists!
10 Weirdest Things Spotted by the TSA
people.howstuffworks.com/10-weirdest-things-spotted-tsa.htm
TSA officials have spotted some really strange things at airport security checkpoints. Here are 10 of the weirdest from HowStuffWorks.
10 Restroom Etiquette Rules People Are Constantly Breaking
people.howstuffworks.com/10-restroom-etiquette-rules-people-are-constantly-breaking.htm
Proper restroom etiquette can make everyone's life more pleasant. View 10 restroom etiquette rules you don't want to break.