Can you please provide background information on catalase and how it affects substrates such as...
How many times a year can you see the eclipse of the moon???
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In energy transformations, even on the subatomic level, is some energy always lost as thermal...
If you could dig a hole from one side of the earth to the other passing though the core, what would...
Why do we not have a mouthwash that prevents plaque buildup and, hence, gum disease?
from Halifax, Nova Scotia
What are the top ten Canadian science discoveries?
from New Tripoli, PA
What goes on during the change between isometric and isotonic in muscle cells? What does it look...
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My dad was saying that radio waves from TV transmitter stations can burn you severely if you are...
HELLO I have A VERY IMPORTANT EMAIL. THIS IS STRICTLY CONFEDENTIAL AND CONCERNS THE ENTIRE HISTORY...
I'm wondering if I have a tube filled with argon gas, or some other inert gas, and heat up a...
Will sodium or ammonium nitrate react with hydrogen sulfide ? If yes, what are the expected...
from Surrey, BC
I have an FM transmitter for my iPod. I find that when my hand is within 5 centimetres proximity to...
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Why are 6volt batteries bigger than 9volts, even though 6 volts are less than 9? And why are AA,...
from Ocean Pines, MD
A student gave me 4 pairs of different duck and goose feet. How can I preserve them? Do I dry them...
Is there any reaction which can take place without the exchange of heat with the surroundings or...
Today a girl in my class asked the question "Can you save yourself from an elevator falling 10...
I want to know how ascorbic acid (vitamin-c) is metabolised in the body of fishes.
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In their book on the 'Mammals of Britain and Europe', MacDonald and Barrett state that Red Foxes...
from Summerville, SC
My mom and I are having an argument. She claims that the gene for blonde hair will be wiped out...
from Atlanta, GA
Why are the water levels of the Atlantic and Pacific Oceans different at the Panama Canal if they...
from Horam, E. Sussex, UK
ULUru is the aboriginal name for Ayer`s Rock, which was a sacred place for native Australian...
from Staten Island
If we assume that Whitten's new Twistor String Theory is correct, with no real extra demensions,...
Dan Van Brunt
from Thunder Bay
Recently a friend of mine took a picture of what he thought was a grasshopper out at his camp far...
Richard L. Gibbens
My question concerns the latest news about the Cosmological Constant. Has it now been established...
from santa barbara
I have heard somewhere that there is what could be described as a secondary brain in the large...
What is the chemical formula for air?
Black Holes, formed after the collapse of massive stars, are infinitely dense objects.Why is it...
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Is there a liquid chemical that will glow when electricity is passed through it? What voltage would...
Suppose a truck transporting birds is weighed. Will there be a difference in weight depending on...
from Kanata, Ontario
Does caffeine affect boys and girls' blood pressure differently?
If the telomeres of a cloned organism are smaller than a non-cloned organism, and therefore may...
from Lac La Biche, Alberta, Canada
What experience and education should I get for a career in paleontology?
from Vancouver, BC
Have you ever hit the top of a glass juice bottle with your fist. It makes a very loud cracking...
from Batamans Bay, Australia
Can a normal late model petrol car engine be coverted to run on almost pure ethanol? How is this...
from Kenora, ON Canada
Regarding the behaviour of a high-voltage spark. I have a device which generates a pulse of ...
from Oak Ridge
I would like to know what causes inverted icicles. I have a photo I've just taken if you need to...
Against the black plastic on my TV, dust looks white; when I wipe it off with a white tissue, dust...
Why is the time of a day measured using 24 hours?
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