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Mouabbi Rami from Athens asks

Why do most industrial LASER diodes emit pulsing light beams and not continuous ones? And what is...

Anita.S asks

What is Birute Galdikas' latest book on the Orangutan Behaviour and her work?

Anonymous from Ajax, Ontario asks

If mass can be converted to energy by using E=mc2, how can energy be converted to mass?

Callie Davies from Phoenix, Az asks

We just finished studying about DNA, Adenine, thymine, guanine, ect. and one question that I had...

jacqui from Stockleigh Pomeroy asks

Explain recessive gene disease and what happens to the DNA to cause parents to be carriers.

Nick Hiebert asks

Is there a substance known to science that reacts to electrical impulses by contracting or changing...

Sarah Spratt asks

What is the most critical environmental problem in Canada today?

Cory from Victoria, Texas asks

Why are rail road pieces magnetized? Me and my friend noticed particles of steel and iron forming...

Gabriel from Winnipeg, MB asks

What is the distance from the sun for each of the elements in the periodic table where they would...

Crystal Rumble from Hilton Beach, Ontario canada asks

I have been diagnosed with multiple scleroisis recently and I also have severe psoriasis. I've...

Thomas from Middlesbrough, Australia asks

How many times can you split up an atom?

Marin from Split, Croatia asks

What happens when electrons pass through a magnetic field at a velocity near lightspeed?

Dane Haas from Flesherton asks

What are the most recent solar storms and will they effect the Earth's atmosphere?

Fred Bucheit asks

How does mass shifting affect Earth's rotation? Could melting of polar icecaps cause a change in...

Pablo Ros asks

I have been charging a leyden jar with an electrophorous (pieplate and cup) and was wondering how...

Steven Hoaglund asks

Galileo said, "in a vacuum, all objects fall at the same speed." Well, I have an idea that might...

k.h. from Alberta asks

My husband has dark brown hair, and I have white blonde hair. If Dark hair is supposed to be...

Marke Jones from Aurora, Ontario asks

Why do many pharmaceutical drugs have HCl (hydrochloride) associated with them? Is this a...

bbg from the Internet asks

Are there any Canadian scientists that have contributed to the field of bioremediation?

Marc Doucet from Bathurst, New Brunswick asks

Are the pores of the cell membrane composed of protein molecules or are they simply holes in the...

David Woodard from Lansing, MI asks

How do "Fire Retardents" retard fire? If the flash point of any given material never changes? I...

TJ from Thunder Bay asks

Last spring and summer there were millions of army worms creeping all over everything. Maybe worse...

vanessa demelo from paris asks

Why does insulin resistance induce weight gain? I don't understand because insulin is suposed to...

Jesse from Ottawa, Ontario asks

Why do ceramic magnets lose their strength in extremely cold temperatures like dry ice?

Dan Hurtado from Tallahassee asks

Can you explain the process by which hot materials emit light? Particularly, why is infrared light...

David Keirsey asks

What are the quantum numbers that are involved in the distinction between matter and antimatter? I...

Juanita Higgins asks

How do I generate heat from a battery?

Aliahs Ahmadzai from Maple Ridge, BC asks

When you get a lighter and get a piece of metal and you turn on the lighter and put it over the...

Jayde from Surrey asks

What is the field of cryogenics? What kind of occupation is available in cryogenics?

Yossi Truzman from Ra`anana asks

In our breathing system we have two coenzymes NADH and FADH2. Why do we have two coenzymes? And why...

Jonathan Weiler asks

Would it be possible to clone dinosaurs?

Karie from Toronto asks

Why do kids with blonde hair have dark brown hair when they're older? Is it the same process as...

Ben from the Internet asks

What exactly are Proton Spin Numbers, and how can you have a non-integer proton spin number?

Shakira from Mississauga asks

Why is it that alcohols do not follow a trend for their melting points, like their boiling points...

Angela from Portland asks

This question is in regard to ‘vintage Lucite purses’ that sometimes end up having an odor...

Mike from Brussels asks

I have been doing an experiment in school and I don't understand why the following happens. When we...

David Howard from UK asks

Can you tell me whether it would be possible to launch a spacecraft into orbit using a giant...

Charles Tramble asks

What can I use to block magnetic lines of force? I have been working on an rf transmitter project...

Robert Cunningham from Dallas, Texas asks

If you shine a light through a glass of water, the light slows down. What makes it speed up again...

Robert Steinhaus from Castro Valley asks

Can a fast breeder reactor like the famous Candu series of Canadian designed fast reactors be...