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BrainStuff
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by Marshall Brain
The Coolest Stuff on the Planet
Will water wash Venice away?
by Amanda Arnold
TechStuff
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by Chris Pollette and Jonathan Strickland
How-to Stuff
How to Pick Out Perfume in 4 Easy Steps
by Cristen Conger
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stuff you want to know

Marko from Zagreb, Croatia asks:
At what age is your skull fully formed?
Michiel from Parow, South Africa asks:
How does a high-pressure geyser work?
Cathy from Washington, Ill. asks:
How do cell phones work from the ocean?
Tom from Philadelphia, Penn. asks:
How does a digital thermostat work?
Abdullah from Riyadh, Saudi Arabia asks:
Is it important to warm up a car during the winter?
David from Elkton, Md. asks:
What’s the most dangerous shark in the ocean?
Donnie from Cincinnati, Ohio asks:
How do you get paint inside paintballs?
Douglas from Archer, Fla. asks:
How does an airbrush work?
Sarah from Tuson, Ariz. asks:
What does a avocado grow on?
George from Tallahassee, Fla. asks:
Will a gun fire underwater?
Kerry from Columbia, N.J. asks:
How do you plant pits from a stone fruit?
Abdul from Hyderabad, India asks:
What is a bulletproof vest made out of?
Ricky from San Diego, Calif. asks:
What happens when we crack our knuckles?
Shivaram from Hyderabad, India asks:
How is an earthquake measured on the Richter scale?
Christen from Seattle, Wash. asks:
How come we can’t smell our own breath?
Micheal from Bullard, Texas asks:
Can a nuclear reactor work in space?
Barbara from Milton, Wash. asks:
How is string cheese made?
Keith from Houston, Texas asks:
How do you cure bad breath?
Michael from Toronto, Canada asks:
Why are oxygen masks on airplanes?
Robert from Long Beach, Miss. asks:
How are beans and peas dried?
Sudhanshu from Gurgaon, India asks:
How can you survive an elevator fall?
Sathwik from Vizag, India asks:
How do flying cars work?
Cathy from Irvine, Calif. asks:
Is a dog’s mouth cleaner than a human’s?
Li from Singapore, Singapore asks:
Is it possible to create your own country?
David from East Bethel, Minnesota asks:
How does the clock in Fort Collins, Colo., work?
Joe from Mt. Pleasant, Penn. asks:
How do dehumidifiers work?
Peter from Calgary, Canada asks:
Will we ever see cars run on nuclear power?
Cierra from Franklin, Ind. asks:
Why do fish float on their sides when they die?
Thao from Bien Hoa, Vietnam asks:
What is the function of calcium in the body?
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