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sinthuja asks

Do the cells in the heart tissue know if there is something wrong with the heart. If so, how do the...

Hannah from Austin asks

Why does salt melt ice?

Chris Hansen from Tyler Texas asks

What causes a titanium headed golf club to spark when striking a golf ball? Is it the ball, the...

Jennifer Easterly from Sydney, Nova Scotia asks

I hear there are 9 species of cicadas in Canada, but I haven't been able to get any more...

Jen from Orland Park asks

If you find a bone in an archeological dig how can u tell what kind of animal it was?

Michael Heyd from North Vancouver asks

When does your skull reach its full, adult size?

J. Fretwell from Parry Sound asks

I do not know if this might relate to Global Warming, but I notice no one has mentioned (maybe I...

Navid Patterson asks

What is sugar?

Satnam from Calgary asks

My question: How will they produce plastics, tires, roads or anything that is made from oil, once...

doug eneberg from Seattle, WA asks

How many scientists does Canada have?

Anonymous from Winnipeg asks

We were learning about colour and light when my teacher Mlle. Gelinas told us about this question...

An anonymous reader asks

What are water's special qualities, and how do they work?

Jonjon asks

How does a pressure cooker work?

Agin Thomas from Philadelphia asks

Does a magnetic and/or electric field have an affect on water’s ability to flow (if you can't...

rebecca from Adelaide asks

What is the difference between science and sciencing?

Umit K from Cambridgeshire asks

How can I construct a simple laser beam?

Sam Thomas from Kallaroo WA , Australia asks

If splitting the atom can create a huge amount of energy, then why isn't it used to power engines...

John Lavender-Stott from Blacksburg asks

Is homosexuality inborn?

Andre Szalinski from Doussard, France asks

In my youth, I heard a story about an experiment: you compress a metallic spring and you put it in...

Monty from saskatchewan asks

What exactly is gravity? Is it a wave or a ray? What exactly is the attraction that makes gravity...

jake from Duluth/MN USA asks

Can you verify the scientific validity of statements I've heard animal rights groups make,...

nick simons from United Kingdom asks

Why does vitamin C not work as well if it has been heated? I know it is an acid. Does it turn in to...

Miss Allouche from Sydney asks

I am a year 5 teacher. I was wondering if it would be ok if I had my students work in pairs to ask...

Mateusz from New York asks

Why does it take nerves so long to grow back, more than for skin cells?

Carly from Toronto asks

I was wondering where I can find good resources on determining the movement of an obese person...

Sara asks

What are the surfaces of Uranus and Neptune like? Is there wind or precipitation on either...

Katie from the Internet asks

Does temperature affect the performance of the mind? Such as slowing down the thinking process? Is...

Kym McCallum from Gladstone asks

How long would it take for the next Ice Age to develop?

Maeki Ray from Chicago,IL asks

I'm doing a science project in which I'm trying to see if sound waves created by a computer...

Srikar from Mississauga, Ontario asks

If Pluto is not a planet, how is it classified? What is it called now?

Frank Palmay from mississauga asks

I understand the concept of dominant and recessive alleles but I was wondering why some alleles are...

John Crowe from Dublin asks

If I knew the centre of the universe and began to travel toward it, would I begin to decrease in...

John Wrowles from Wellington New Zealand asks

This question relates to global warming. Recent science news reports that the temperature of the...

Jeff asks

How do astronomers know the true position of stars? When astronomers show us pictures of the Great...

Nick (via his mother Illan) from Denver, Colorado asks

I put frozen spinach, fresh spinach, canned spinach, frozen peaches, fresh peaches and canned...

Julie from Portland, Oregon asks

How are sand dollars bleached white? Is it by the sun or the sea?

S. Warne asks

What are some recent Canadian contributions to research and development? I was challenged by...

Stanley from Vancouver asks

Why are soccer balls coloured black and white? I heard it has to do with these two colours making...

D.D. from St.john's, NL asks

Ethanol is the focus of many tax dollars these days. It seems to me that the burning of any...

shaheena from Karachi/Pakistan asks

The name for gas written on CNG filling station is octane. There are other members in the alkane...