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,...

Lucy Policelli asks

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

Payal from Buffalo asks

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

Dale Patt from Kelowna asks

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

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...

amanda from Vancouver asks

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

H.D. Lail asks

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

Mark Brooks from London asks

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

umit koseoglu from the Internet asks

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

Mary Phipps asks

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

ALI from miami beach asks

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

Joel from Australia asks

What is the chemical makeup of an apple?

Hannah from North Bay, Ontario asks

My Dad told me about bioluminescence you know, the stuff that makes living organisms glow? Anyway,...

Melodia from Montreal asks

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

Alex Smith from Owen Sound asks

How can I make a simple flashlight?

Sam asks

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

Mary Macmillan asks

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

Kevin asks

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

Nikki May from Erie asks

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

Mohammed Talha Khan asks

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

jessi from San Francisco asks

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

Karla asks

What causes the bends?

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...

Mike Tripple asks

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

Phil from Ottawa asks

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

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...

Peter Baum asks

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

Rick Morrison from Sudbury On asks

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

Ian Gordon from Exeter UK asks

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

Shauna from the Internet asks

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

Mike Starry from Fresno, CA asks

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

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...

D. Tolenaar asks

How does air conditioning work?

Raymond J. Sucgang from Manila, Philippines asks

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

Amy L. asks

What makes the horizon glow pink and red?

Kathryn H. asks

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

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...

Jesse Fitzpatrick asks

What is the highest and lowest canadian recorded air temperature?

darioush asks

What is thought? Is it matter or energy? And how does the brain create a thought?