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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...

Deion Christopher from Missouri asks

Can you really grow plants from the seeds found in Mammoth feces? In national parks here in...

Owen Richardson from Cobble Hill (Vancouver Island, B.C.) asks

I understand that cancer is caused by mutations in some of the genes that regulate cell growth and...

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...

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...

Navid Patterson asks

What is sugar?

Jenny from Toronto asks

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

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...

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...

Arslan Zaidi from Karachi/Pakistan asks

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

Tarek Samaha from Lengerich, Germany asks

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

Mary Ibale from South Western University, Asia asks

What is the significance of Science in our society?

Monty from saskatchewan asks

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

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...

jake from Duluth/MN USA asks

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

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 Wrowles from Wellington New Zealand asks

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

Michael Heyd from North Vancouver asks

When does your skull reach its full, adult size?

Mateusz from New York asks

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

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...

Anonymous from Winnipeg asks

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

Jonjon asks

How does a pressure cooker work?

Umit K from Cambridgeshire asks

How can I construct a simple laser beam?

Yevgeniy Perev from Staten Island asks

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

Jen from Orland Park asks

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

An anonymous reader asks

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

Kym McCallum from Gladstone asks

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

Damanjit Singh from New Delhi, India asks

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

Sara asks

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

Carly from Toronto asks

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

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...

Katie from the Internet asks

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

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...

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...

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...

John Lavender-Stott from Blacksburg asks

Is homosexuality inborn?

shaheena from Karachi/Pakistan asks

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

Frank Palmay from mississauga asks

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

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

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