What is the most critical environmental problem in Canada today?
I am interested in the age-old debate on whether a person gets wetter by walking in the rain or by...
from Langenburg, Saskatchewan
Does population density affect fish growth rates? I'm trying to determine if population density...
from Boston, MA, U.S.A.
Where in the universe are we? We seem to know the dimensions of the Universe; so does it have the...
How does the static universe theory (Gamow, Hoyle...) explain the 3K cosmic background radiation....
from Orland Park
How do chameleons reproduce body parts?
Light cannot escape from a black hole, because of the black hole's mass. If this is true, then...
I have been charging a leyden jar with an electrophorous (pieplate and cup) and was wondering how...
My husband has dark brown hair, and I have white blonde hair. If Dark hair is supposed to be...
I've got a question about light. As I understand it, light is a particular form of energy--in order...
from Ajax, Ontario
If mass can be converted to energy by using E=mc2, how can energy be converted to mass?
from the Internet
How do you find the solubility of a substance?
Pierre Charbonneau, Eng.
from Jonquière, Quebec, Canada
Is there actually a strobe light on the International Space Station? I saw in the sky a sequence of...
from the Internet
When does a scientist sign on to try and find a cure or cause of an illness or a disease, meaning...
from Victoria, Texas
Why are rail road pieces magnetized? Me and my friend noticed particles of steel and iron forming...
from Middlesbrough, Australia
How many times can you split up an atom?
from Aurora, Ontario
Why do many pharmaceutical drugs have HCl (hydrochloride) associated with them? Is this a...
I have been reading Feynman and what he says seems to make sense to me, in particular:photons are...
What are the temperatures reached at the focused point of a magnifying glass, when using the sun as...
from the Internet
Is it possible to create plasma using two high voltage electrodes , cathode and anode. Would air...
from Hilton Beach, Ontario canada
I have been diagnosed with multiple scleroisis recently and I also have severe psoriasis. I've...
How does mass shifting affect Earth's rotation? Could melting of polar icecaps cause a change in...
from Oldsmar, florida
Why does a magnetic field in the form of a bar magnet effect the movement of a planaria? Does it...
How are electron sublevels given their assigned letter?
What is the name of the most recent planet discovered, and where is it?
Is the interstellar space between the galaxies completely empty? Not even a single star or a nebula?
A question about tri-coil atomic fusion/fision... If one used positive and negative ionized plasma,...
from Mill Valley, CA, USA
This came up during a homeschool astronomy lesson: Why does the back of the Moon not have large...
Sean M. North
from Oregon City
In a frying pan, when olive oil is added to butter and heated, according to some cookbooks and...
from Battle Creek, MI
How long does it take for alcohol to be detected through the skin after your first drink? Is there...
Can you explain the process by which hot materials emit light? Particularly, why is infrared light...
Galileo said, "in a vacuum, all objects fall at the same speed." Well, I have an idea that might...
Why does insulin resistance induce weight gain?
I don't understand because insulin is suposed to...
from Winnipeg, MB
What is the distance from the sun for each of the elements in the periodic table where they would...
I have done lots of research on auroras and I understand almost every thing about them. The basic...
from Dubai, United Arab Emirates
1.) Do the intesity of the sun's rays increase the current in a solar cell?
2.) Does increased...
from Scarborough, Ontario
I want to know if we inject cobra's venom into a rattlesnake and rattlesnake venom...
An article in the National Geographic magazine describes the Big Bang event as linear in form. Does...
I was wondering how I could test for things like heavy metals. How can I do that without paying for...
What i don't understand is why the intensity of the electric field is 0 inside a charged (empty on...
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