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Ken from Vancouver asks

If one could increase the flow of air into a jet engine,would this increase the efficiency of the...

H.D. Lail asks

What is the difference between animal hibernation and a human coma? These states appear similar,...

Mary Macmillan asks

How and when did the Great Barrier reef develop? Is it still developing today?

Melodia from Montreal asks

What is the main problem faced by scientists studying the use of nuclear fusion as a source of...

Barbara Pearson from Holly Springs, NC asks

I was reading a text which stated that scientists have used ice cores to calculate prehistoric CO2...

Cheryl from Chesapeake, VA asks

I teach moon phases to my third graders. On posters, in textbooks, and online, I have seen...

Alain Goulnik asks

Can nuclear tests produce earthquakes? India started nuclear testing, then Pakistan followed in...

Sara asks

What is fire composed of? Could you have liquid fire, or solid fire?

Davina asks

Can you damage your hands by cracking your knuckles?

Eduardo from Pembroke Pines asks

Is it true that gas particles at higher altitudes are farther away from each other than at lower...

Charles Kern from Detroit Lakes, Michigan asks

Is there a high permeability magnetic shield that does not have iron in it?

Kevin asks

How can I make a plastic object? I want to make a clear or translucent, thin cylinder that is...

Mohammed Talha Khan asks

Why does water evaporate when it is left out in the open?

Mike Tripple asks

What happens to the ice cubes in our freezer bucket. They get smaller even if they are a solid. Do...

Max from Toronto asks

How many water and wastewater treatment plants in Canada are using chlorine gas for disinfection?

Edward Lotus from Wawa, Ontario asks

Is it a crime to prevent the birth of a malformed fetus? I strongly feel that we should terminate...

Tracy Weddell from Bakersfield, CA asks

Do neutron stars evolve further? Charts of star evolution always show the neuton star as the last...

Phil from Ottawa asks

Are there some materials that shrink faster that other materials in cold? If yes, which ones?

Sam asks

Can a 'stove' be made using methane gas produced by waste material?

sabahat from lahore/pakistan asks

In our body fat is stored so we get fat. If we will eat only oil we will not get heart problem...

kathy michaels from Surrey, B.C. asks

I am doing a psychology paper on Near Death Experiences. I would like to ask if you have any...

Marsha Anisoquili (Many Ponies) Raymond from St. Petersburg, FL, USA asks

If oriental is eastern and occidental is western, what is northern and southern?

Peter Baum asks

How can I measure how much liquid is in an apple, lettuce, a potato, and an orange?

Linda O\'Neill from Dartmouth asks

How can you define the pressure of 5 g. on a person? This would be done with the fingers. I am...

Shauna from the Internet asks

How long can a vehicle typically run without oil or antifreeze before the engine seizes?

Nikki May from Erie asks

How does heated vinegar react with powdered milk to create the result of plastic like curds?

John Mitrosky from Scarborough asks

My son is doing a herptiles of ontario project and this a missing link question: Do you think...

Karla asks

What causes the bends?

Rick Morrison from Sudbury On asks

What makes certain surfaces such as highway lane markings, reflective strips on clothing and...

Mike Starry from Fresno, CA asks

How and when will hydrogen fuel cells be used to provide electricity for my home? What would it...

Ian Gordon from Exeter UK asks

Why are sounds so much louder downwind, even when the wind is light?

Kelvin C from Markham, Ontario, Canada, North America asks

I was wondering, what solids or liquids can trap heat in very well, or at least maintain the...

Yogesh Patil asks

Can you provide a detailed structure and working of the magnetron tube used in microwave ovens?

Edmund Mah asks

Are there special awards for Canadian scientists? Canadian science greats like Sir Frederick...

Sophie from Winnipeg asks

Why do street lights shut down, often, when we drive underneath them? Oftentimes, my boyfriend and...

Neil Cannon asks

Is it possible to 'see' a thermal? As the thermal is invisible to the naked eye, is there some way...

Guy from Vancouver asks

Why did Canada pull out of the ITER fusion project, and what, if any, research is Canada...

D. Tolenaar asks

How does air conditioning work?

jessi from San Francisco asks

I have more than one question: Does Coffee work better for females or males? Does Coffee work...

Kathryn H. asks

Are there any conflicting scientific views about the ozone 'hole' over the Antarctic?