from Cherry Hill
I have a question regarding starfish, or seastars, whichever you would like. Is there a species of...
I'd like to know what happens to radio waves once they have been emitted. Do they live forever?...
Atalinder S. Bindra
Is it possible to reach a black hole? What is the distance of the nearest black hole from earth? Is...
Wilma de leon
What is the reaction between a chitin--the polysaccharide intermediate between protein and...
Can you tell me whether it would be possible to launch a spacecraft into orbit using a giant...
How do touch lamps work? If one person touches the touch pad and someone else taps his other hand,...
Since there are no molecules within the vacuum of space to allow heat transfer, how can the air...
I recently read a book on the big bang, and it said that protons and neutrons are made up of 3...
This question is in regard to ‘vintage Lucite purses’ that sometimes end up having an odor...
What happens to a compass when it is held exactly on magnetic north? Does it just spin?
How do I estimate the mass of an object when I know its volume and nothing more? For example, how...
Are there foods to eat which lower/reduce harmful cholesterol levels, or is this achieved by...
Why is blood salty?
How far is Pluto from the sun, and will we ever be able to travel to other planets, besides the...
In 1828, Friedrich Wohler, a German chemist attempted to make an inorganic salt, ammonium cyanate,...
Is it possible for a singularity to form outside a black hole?
Has absolute zero (0 K) ever been reached a laboratory?
from Thunder Bay
Last spring and summer there were millions of army worms creeping all over everything. Maybe worse...
from Lansing, MI
How do "Fire Retardents" retard fire? If the flash point of any given material never changes? I...
Who was the first scientist to study light?
The first four facts below suggest that the earth should be getting heavier and heavier - but it...
Is there a better alternative that has yet to be discovered other than zinc to be used in a battery?
Does mercury in its gas form act the same way as air - I mean if heated, does it rise?
from Rahim yar Khan, Pakistan
What is vacuum ? How is it created because if we remove the air then the instrument in which we...
What are the intermolecular forces for polycrystalline solids? And what is the geometric shape? I'm...
Why don't ordinary Silicon diodes emit light like LED's?
When a ball is rotated at the end of a string in a horizontal circle (parallel to the ground) what...
from Castro Valley
Can a fast breeder reactor like the famous Candu series of Canadian designed fast reactors be...
How do we explain the difference between cells that can repair damaged tissue, such as skin cells,...
How can I tell the difference between Zinc and Aluminium metal?
from New York
If hydrogen peroxide is bad for cells, why is it good for cuts? Also, how is it a good treatment...
Can you explain how those bright sticks work, the ones that glow for hours with a snap and a shake?
from Port Orchard, Washington, USA
Do magnets become less massive over time? It requires energy to hold a magnet on the refigerator...
Bruce MacKinnon, CET
from Kitchener, Ont
Is polyol used in the reaction of isocyantes (methylene diioscyante) the same compound as Glycerol?
What are the quantum numbers that are involved in the distinction between matter and antimatter? I...
I'm doing a science project and my topic is about the speed of sound. I was wondering if you...
Why does the Original Coke sink into the water, when Diet Coke floats in the water?
Can you give me some information on the reaction of ascorbic acid and N-Bromosuccinimide? How do...
Why does a rare earth magnet fall slowly in an aluminium tube but it falls really fast when I toss...
from the Internet
If two magnets are in contact with each other or close proximity to each other either repulsing or...
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.