Shaheena Perveen from Karachi, Pakistan asks

Why do we get coloured water if we put a slice of beet root in water but we do not get coloured...

Ian Burke asks

What do you think of a Gas/Electric hybrid car? I made a power generation device made up of 8 a.c....

H.D. Lail asks

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

Payal from Buffalo asks

How do you determine the proportion of the various gases in the air?

David from Kitchener, Ontario, Canada asks

My question may be hard to answer. I have wanted to be a scientist since I knew what science was,...

Mark Brooks from London asks

Why do ice cubes melt quicker on stainless steel than a china plate and fire clay?

Mary Phipps asks

Is calcium carbonate (ground limestone) biodegradable? Will it break down during composting? I want...

Lucy Policelli asks

Is it feasible to embed microchips carrying pertinent data, health, history, money etc. into humans?

Nikki May from Erie asks

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

Dale Patt from Kelowna asks

What exactly is "Bovine Spongiform Encephalopathy" (BSE), or mad cow, what are it's effects, and...

umit koseoglu from the Internet asks

how would i go about making some dry ice at home or in the school lab?

amanda from Vancouver asks

What kind of careers are there to choose from, based on chemistry and biology. To become a doctor,...

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...

jessi from San Francisco asks

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

Joel from Australia asks

What is the chemical makeup of an apple?

Melodia from Montreal asks

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

Mohammed Talha Khan asks

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

Sam asks

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

ALI from miami beach asks

1)What type salary does internal medicine make? 2)What kind of education is needed for internal...

Mary Macmillan asks

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

Peter Baum asks

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

Mike Tripple asks

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

Alex Smith from Owen Sound asks

How can I make a simple flashlight?

Kevin asks

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

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...

Karla asks

What causes the bends?

Phil from Ottawa asks

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

Amy L. asks

What makes the horizon glow pink and red?

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...

Ian Gordon from Exeter UK asks

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

Rick Morrison from Sudbury On asks

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

Shauna from the Internet asks

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

D. Tolenaar asks

How does air conditioning work?

Mike Starry from Fresno, CA asks

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

Raymond J. Sucgang from Manila, Philippines asks

Hi, Could you please clarify: Does an increase in precision mean a decrease in accuracy? Does a...

Yogesh Patil asks

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

Jesse Fitzpatrick asks

What is the highest and lowest canadian recorded air temperature?

Edmund Mah asks

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

Chelsea Imm from Glandorf, OH asks

Can you please tell me what the basic preservatives are in the following breads: white, wheat,...

Kathryn H. asks

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