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Richard from Flesherton asks

What are the causes of Northern Lights? Do they have any relation to the green-house gasses in the...

Kelly Gould from Sacramento, CA asks

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

Anthony Daddazio from Maple asks

I have had some alkaline batteries (AAA, and AA) that have leaked. These batteries were in a TV...

Rachel asks

I am doing a science fair project to measure which type of ibuprofen dissolves fastest in stomach...

Katlin from Springville, NY asks

How many languages are there in the world?

Sam asks

There is this question in my physics book asking me to check out the ways plants wrap themselves...

Joan & Colleen asks

Are cats left- or right-pawed? What percentage are left pawed/right pawed? We are doing some...

JP from Chandler asks

Given that the Earth's magnetosphere is what protects us and all life on Earth from the deadly...

Sarah from Fredericton, NB asks

What is the chemical in banana that causes drowsiness?

Mike Smith asks

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

Steve Arkin from San Diego asks

How is the spin imparted to a golf ball during the collision with a driver determined? The paradox...

Melody from Maronville asks

Is taxonomy a rigorous, objective science?

Francis from Ottawa, Ontario asks

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

Jenifer from Vancouver, B.C. asks

Recently I read that U.S. scientists say the ozone layer is shrinking over Antarctica. I would be...

Lisa Pearce from Gympie asks

In winter in very cold countries like Canada and Finland, most rivers, lakes and ponds freeze over....

Ashley from Sherbrooke, Quebec asks

What is the expecting salary for a zoologist in Canada?

Allan Miller asks

I am studying tension and compression in support structures such as hammocks and diving boards. The...

Paul Paura from Mississauga asks

how will Hydrogen work as an Assist Gas for Diesel Trucks (Transportation Industry). After doing...

Gloria from Toronto asks

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

Drew Radue from Wisconsin asks

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

Jasmin from Brighton asks

Why are tanks (such as scuba diving tanks, for example) always designed in a cylindrical shape? In...

Semutblue from the Internet asks

Is there a liquid chemical that will glow when electricity is passed through it? What voltage would...

Gina Kehoe from Red Lake asks

Is there any other part of your body that acts like the funny bone...dense nerve endings, pain etc....

Jeremy Wolf from Kintnersville, PA asks

Has anyone tried a vaccine (attenuated, similar pathogen, killed, toxoid, or subunit vaccine) for...

Tracy asks

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

David from Montreal asks

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

Aleksandr from Staten Island asks

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

Angie from New Tripoli, PA asks

What goes on during the change between isometric and isotonic in muscle cells? What does it look...

Rommel Sato from Riyadh asks

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

Carl Hinton from Northampton asks

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

Toby asks

I have seen in a TV show that by a very high magnetic force field even non-magnetic substances...

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...

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...

Ann asks

What does the epiglottis do?

Don Ryan from St. John's, NL asks

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

Debora Trozzo from Carlisle, PA asks

What is the chemical formula for milk?

James Hope from Gloucester, UK asks

My dad was saying that radio waves from TV transmitter stations can burn you severely if you are...

Ashley Robertson asks

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

deepak from friendswood asks

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