from hurricane w.v
If a person or infant is going to get freckles, at what point or age do they appear?
What wind speed would be enough to blow somebody away?
from Markham, Ontario, Canada, North America
I was wondering, what solids or liquids can trap heat in very well, or at least maintain the...
from Sudbury On
What makes certain surfaces such as highway lane markings, reflective strips on clothing and...
from the Internet
How long can a vehicle typically run without oil or antifreeze before the engine seizes?
What causes the bends?
why does soda pop fizz when it is poured over ice
Can nuclear tests produce earthquakes? India started nuclear testing, then Pakistan followed in...
from Fresno, CA
How and when will hydrogen fuel cells be used to provide electricity for my home? What would it...
from the Internet
how would i go about making some dry ice at home or in the school lab?
Can a sintered ore magnet be re-magnetized in a different configuration of its poles? Does it need...
Raymond J. Sucgang
from Manila, Philippines
Hi, Could you please clarify: Does an increase in precision mean a decrease in accuracy? Does a...
from Rio de Janeiro
Does air act as an insulator against lightning on flying airplanes? I know the aluminum case is...
If one could increase the flow of air into a jet engine,would this increase the efficiency of the...
from Exeter UK
Why are sounds so much louder downwind, even when the wind is light?
How can you define the pressure of 5 g. on a person? This would be done with the fingers. I am...
How does vacuum insulation work and can an R Value be assigned to it? Does the depth of the vacuum...
from Pembroke Pines
Is it true that gas particles at higher altitudes are farther away from each other than at lower...
How come on a warm clear day clouds form at night?
from Roetgen nr Aachen/Germany
My son, 13 y, has found a really good idea to prove the four colour map problem without computers,...
from leaf river
How many skin cells would be in a square inch?
from the Internet
When metal scrapes metal such as two spoons, it makes the edges of my teeth feel numb. Why is that?
What is your opinion on the ethics of transplant farming and what is your opinion about genetic...
Is invisiblilty possible? Is it possible to alter an object so it can't be seen? Could people's...
Why does the Periodic Table of the Elements have two separate tables - one above and one below?
How do hot packs work? My wife purchased a reusable hot pack for keeping our baby warm when we go...
I have noticed in Toronto for the past two years, that the weather has been abnormally cloudy in...
from Winnipeg, Mb
I'm doing a project on mercury in water. I was wondering if and how you get mercury out of lakes. ...
How does air conditioning work?
from North Bay, Ontario
My Dad told me about bioluminescence you know, the stuff that makes living organisms glow? Anyway,...
Are there some materials that shrink faster that other materials in cold? If yes, which ones?
What two liquids combine that gives you a solid instantly?
What is thought? Is it matter or energy? And how does the brain create a thought?
How does heated vinegar react with powdered milk to create the result of plastic like curds?
I am in grade 7 and attempting to do a Science Fair Project. I would like to know how I could test...
prashanth kumar aitha
why is BERMUDA TRIANGLE'S MYSTERY unsolvable?
from Thunder Bay, Ontario
What is colour? How does the brain perceive colour?
Can you provide a detailed structure and working of the magnetron tube used in microwave ovens?
from Lengerich. Germany
I appreciate it if you could tell me more about Philadelphia Experiment. I heard so much about it,...
from San Jose
Is it possible to do a blood test (or some other type of tissue testing) to determine someone's...
Most often, your question can be answered by going to the following areas
If you have a different question, please search our archives
If your question has not already been answered, you may Ask-a-Scientist.
Created by the science.ca team, Copyright © 2001, 2015 GCS Research Society. Visitor agreement.