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Serge Bellemare from Montreal asks

Since the Big Bang we see (with Hubert Reeves and other scientists) that matter has a tendency to...

Jenny from Toronto asks

What do paper and plastic bags degrade to? How much does it cost to make a paper and plastic bag?

Dave Mackay from the Internet asks

What is inside an atom? In between the electrons and the neutron? Maybe if you pictured the atom as...

Stephanie from Winnipeg asks

I heard that if you set fire to methylated spirit, it will catch fire, but nothing around it will...

Simon Robson from Durham, UK asks

If the world's land was distributed evenly between all humans how much would we all possess? This...

Mary Ibale from South Western University, Asia asks

What is the significance of Science in our society?

Yevgeniy Perev from Staten Island asks

How much energy in joules will be produced from an exploding mini black hole that is 10 micrograms...

Arpa from Ubon asks

What is "time"? Does the word "time" in Physics have the same meaning as the word time in the...

Satnam from Calgary asks

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

Corey Conner from Fort Knox asks

If the sun is a heat source, and as the sun gets closer to the earth the heat intensifies, then why...

Todd asks

I am curious. What if two magnetic field lines were to intersect each other? What would this imply...

Tarek Samaha from Lengerich, Germany asks

I would like to know the amount of salt (either in ppm or %) in a normal human tear.

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...

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...

Navid Patterson asks

What is sugar?

John Wrowles from Wellington New Zealand asks

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

jake from Duluth/MN USA asks

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

Anonymous from Winnipeg asks

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

Umit K from Cambridgeshire asks

How can I construct a simple laser beam?

Mateusz from New York asks

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

Michael Heyd from North Vancouver asks

When does your skull reach its full, adult size?

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...

Arslan Zaidi from Karachi/Pakistan asks

What are the urgent steps an undergrad must take to start researching? I am a high school graduate...

Kym McCallum from Gladstone asks

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

shaheena from Karachi/Pakistan asks

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

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...

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...

Jonjon asks

How does a pressure cooker work?

Damanjit Singh from New Delhi, India asks

What will happen if we use petrol in a diesel engine or vice versa?

Monse from Las Vegas asks

What type of salt melts ice the quickest?

Jen from Orland Park asks

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

Katie from the Internet asks

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

An anonymous reader asks

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

Sara asks

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

Ryan from Pittsburgh, PA asks

I'm curious about the possibility of "real"  superheroes.  Even though I think...

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...

S. Warne asks

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

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...

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...