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Atoms are in your body, the chair you are sitting in, your desk and even in the air. Learn about the particles that make the universe possible.

Child safety requires a delicate balance of healthy fear without making your undermining your child's sense of security. Learn about child safety.

Do you imagine getting creakier and crankier as you get older? The way you view aging influences how you age. So what aging myths can be busted?

The Nintendo 3DS portable video game system lets you play in 3-D without having to wear special glasses. See how the Nintendo 3DS works.

Mosquitoes are insects that have been around for over 30 million years. Learn about mosquitoes and find out how to reduce mosquito populations.

Was there really a saint named "Valentine"? And why all the flowers and chocolate? Learn all about the origins and symbols of Valentine's Day.

Hammerhead sharks are funny-looking and not very dangerous to humans. Why do hammerhead sharks have that odd head? Explore the world of hammerheads.

A shark sense isn't so different from any of our senses, a shark sense is just sharper underwater. See more about shark sense and how each works.

Some of the best and worst paying jobs aren't what you would expect. Learn more about the best and worst paying jobs at HowStuffWorks.

You're probably standing in one right now, but do you know what a watershed is and how watersheds work? Learn how watersheds work here.

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