Johnathan from Sydney asks

What happens when you use ethanol (unblended) in a standard, unleaded car engine? Will it work?

doug eneberg from Seattle, WA asks

How many scientists does Canada have?

Paul Martos from Michigan City, Indiana asks

I have a small laser pointer. The spot produced by the beam is not a solid red circle, but a fuzzy...

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...

Jenny from Toronto asks

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

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?

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...

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...

Navid Patterson asks

What is sugar?

jake from Duluth/MN USA asks

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

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...

shaheena from Karachi/Pakistan asks

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

Kym McCallum from Gladstone asks

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

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?

Monse from Las Vegas asks

What type of salt melts ice the quickest?

An anonymous reader asks

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

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...

John Lavender-Stott from Blacksburg asks

Is homosexuality inborn?

Jim Davis asks

For some reason, it is common knowledge in this community that when subjected to cold, hot water...

Srikar from Mississauga, Ontario asks

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

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

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

Sandra Roberts from Toronto, Ontario asks

Is there a difference between total recall and a photographic memory?

Kate Cunningham from Wellington NZ asks

I saw you answer to the composition of banana peels, but I would really like to know what chemical...

kaushik from bangalore asks

Why is the sky blue?

Kristina from Ottawa, Ontario asks

I was just wondering what the ratio is between male and female scientists?

Steph from London, England asks

I've often wondered about this. It's kind of complicated, so bear with me... If a person suddenly...

Zach from Greenwood, Nova Scotia asks

Hi, I was just wondering, I wanted to get into the whole biology scheme of things when I get older...

Jonathan from Kuala Lumpur, Malaysia asks

Is it possible for the air that we breathe to either run out or deteriorate to such an extent that...

Philip Newman asks

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

Umit Koseoglu asks

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

Heidi from Malaysia asks

Could you please tell me what is inertia? Will it bring us more good than bad in our life? Will you...

luke kujawa from armada asks

What is the chemical composition of basic aluminum, steel, and brass, and which metal conducts heat...

Sébastien Morin asks

How is aspartame synthesized (theoretically and within industrial processes)?

Nancy rosamond from Owen Sound, Ontario asks

When I grew up most oranges grapes and other fruit had seeds. This was the normal fruit and...