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Why do humans walk on two legs?
animals.howstuffworks.com/mammals/bipedalism.htm
Bipedalism was one of the first features to develop in our human ancestors. Is bipedalism better than being on all fours? Read more about bipedalism.
All About Animal Shelters
animals.howstuffworks.com/pets/animal-shelters.htm
About 6 to 8 million dogs and cats end up in animal shelters each year. Find out about adoption rates, animal shelters and rescue organizations.
How Emergency Notifications Work
computer.howstuffworks.com/e-mail-messaging/how-emergency-notifications-work.htm
Emergency notifications provide instant alerts. Find out how they work.
How Sewer and Septic Systems Work
home.howstuffworks.com/home-improvement/plumbing/sewer.htm
Each time you flush the toilet or wash something down the drain, you create sewage. Find out where it goes before it flows into a river near you!
How Tattoo Removal Works
health.howstuffworks.com/skin-care/beauty/skin-and-lifestyle/tattoo-removal.htm
About 50 percent of those who get tattoos later regret them. Find out laser tattoo removal techniques are helping people of all ages rid themselves of something that they no longer want on their bodies.
How to Make Paper Masks
lifestyle.howstuffworks.com/crafts/paper-crafts/paper-masks.htm
Create paper masks for kids that can be worn or displayed as works of art. Kids will love these creations. Find out more about making paper masks.
Theatre Crafts for Kids
lifestyle.howstuffworks.com/crafts/seasonal/theatre-crafts-for-kids.htm
Theatre crafts for kids help stars put a fun face on their art. Learn how to create theatre crafts that will enhance any kid's indoor performance.
How many things can you plug into an electrical outlet before it catches fire?
home.howstuffworks.com/home-improvement/household-safety/outlet-overload.htm
How many things can you plug into an electrical outlet before it catches fire? Find out if you are at risk for overload by using a simple formula.
How the Trolley Problem Works
people.howstuffworks.com/trolley-problem.htm
The trolley problem looks to explore the concept of human morality and a philosophical view of consequentialism. Learn about the trolley problem.
Inside 'The Golden Compass'
entertainment.howstuffworks.com/golden-compass.htm
The Golden Compass is a new movie that is based on a popular book of the same name. Learn more about The Golden Compass and how The Golden Compass was filmed.