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Ann asks

What does the epiglottis do?

Salman Sattar asks

I am a novice and I am looking to buy a telescope for around $350. Which one would be better for...

Katlin from Springville, NY asks

How many languages are there in the world?

A. S. Kaire from Quezon asks

If the earth were suddenly stopped in its orbit, how long would it take for it to fall into the sun?

Umit Koseoglu asks

Is it possible to make a soap bubble that you can get inside?

Hammad from Phoenix asks

If one were to drop an item on the surface of the sun, assuming the object could free fall to the...

Dom Elbon from Nottingham, England asks

Is gravity lumpy? If you were standing in a valley, then on a mountain, would your weight be less...

Mike Smith asks

Can you help me with the physics of an amusement park ride called the Magic Carpet? The Magic...

Michael Parks from Scotch Lake, Cape Breton, N.S. asks

If nothing can escape from a black hole, how come we are here? The big bang must have...

Rommel Sato from Riyadh asks

What it the chemical composition of styrofoam? What raw material is the styrofoam made off?

Ethan Heil from Salem, VA asks

I am doing a research project on the strength of different batteries. Is there a cheap way to test...

Avishan from the Internet asks

What gives yellow corn and blue corn its color? What is the specific pigment and why?

Ashley from Sherbrooke, Quebec asks

What is the expecting salary for a zoologist in Canada?

Debora Trozzo from Carlisle, PA asks

What is the chemical formula for milk?

Drew Radue from Wisconsin asks

Will Cyanide be a poison to brewer's yeast used to make beer?

Tamara Bain from Edmonton asks

My brother and I have a very important bet and it is about the following: If you remove the...

Ken Louie from Washougal, WA asks

I spilled some iodine disinfectant on my vinyl tile floor. As an old chemist, the only chemical I...

Ashley Robertson asks

How do "bath bombs" work? Why do they fizz when placed in water?

Greg Kutz from Calgary asks

It truly seems that the world is indeed warming up and I do believe it is being caused by us. ...

Francis from Ottawa, Ontario asks

I have been teaching high school science for 16 years and I am interested in knowing what you feel...

Kelly Gould from Sacramento, CA asks

I am a firearms Instructor for Law Enforcement Officers. I am teaching a course on training male...

Brandon from cleveland asks

How long does it take bubble gum to digest after it is swallowed?

Carl Hinton from Northampton asks

I was taught at school that the building blocks of all matter were quarks, yet a neutrino is at...

David from Montreal asks

Is my counting right?: There are 76 elementary particles in the standard model: 6 leptons + 6...

Philip Newman asks

How does a boat float? What is the scientific principle?

Tracy from the Internet asks

Why is a magnet classified as dangerous goods when shipping by air?

Marnie from Burlington, Ontario asks

My roommate insists that the first day of Spring falls on March 21st every year, yet on the...

Aleksandr from Staten Island asks

If mini black holes would be produced at Cern (LHC) and in ultrahigh energy cosmic rays hitting the...

Tracy asks

HELLO I have A VERY IMPORTANT EMAIL. THIS IS STRICTLY CONFEDENTIAL AND CONCERNS THE ENTIRE HISTORY...

Daniel from SIngapore asks

Is it possible to focus gamma rays into one beam and then reflect it off an orbiting mirror onto a...

Richard from Abilene asks

Are there any planned future deep space explorations planned say in the next 5 or so years. Surely...

Sacha from Charleston asks

Yesterday I was watching "Hercules" with my little sister and now I wonder: Have the planets ever...

Nick from Melbourne asks

I'm wondering if I have a tube filled with argon gas, or some other inert gas, and heat up a...

Marc Baldwin from the Internet asks

In their book on the 'Mammals of Britain and Europe', MacDonald and Barrett state that Red Foxes...

Don Ryan from St. John's, NL asks

Lightning strikes produce huge amounts of electricity. Has science looked at ways to store and use...

Gloria from Toronto asks

On average, how much petrol is burned per minute of idling?

C. Erik Grisham from Washington asks

Is there an exact relationship between Gravitational forces and Centrifugal forces? If so, is...

Shane C. asks

Could you explain the idea that gravity could be thought of a depression or well, much like when a...

deepak from friendswood asks

Will sodium or ammonium nitrate react with hydrogen sulfide ? If yes, what are the expected...

Reatha Tillman from Ocean Pines, MD asks

A student gave me 4 pairs of different duck and goose feet. How can I preserve them? Do I dry them...