I've been doing a science fair project testing the effectiveness of Lactaid(TM) lactase. From a...
In Chemistry today, we learned that when HCl is ionized in water, the H2O becomes H3O+, because of...
My husband has dark brown hair, and I have white blonde hair. If Dark hair is supposed to be...
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If a sound is played to a person over a period of time, is there a way to work out (or to estimate)...
from Prince George, BC Canada
I need to know what happens to wood (softwoods, hardwoods and kiln dried woods) when they are...
How do scientists modify a virus so that it can be beneficial to a host cell? For example, during a...
For a long time I have noticed that during the day or any kind of brighter light my eyes are bright...
Is there a substance known to science that reacts to electrical impulses by contracting or changing...
I've a question about solublity, water, and cyclohexanone. Water has a certain solubility in...
from the Internet
What would happen if the nucleus of an atom contained too many or too few neutrons, or even none? ...
What are the chemical properties of phosphorus?
How do you calculate potential energy for an object which is sitting on the floor? PE=mgh, which...
Why do wet objects shine?
I am currently researching how sugar (sucrose) reacts with various chemicals. I am particularly...
What is Birute Galdikas' latest book on the Orangutan Behaviour and her work?
What is the heat wanted to melt the hardest substance in the world?
Is a nerve impulse considered an electric current since it induces a magnetic field?
If I had two unlabelled bottles one containing dilute nitric acid and the other containing dilute...
from Phoenix, Az
We just finished studying about DNA, Adenine, thymine, guanine, ect. and one question that I had...
If body temperature is 98.6 degrees, why does 98.6 degree water feel hot when you place it on your...
What is the most critical environmental problem in Canada today?
from Staten Island
When our galaxy will absorb the 2 Magellanic Clouds, that will produce a starburst. For how long...
Karl-Alexander berg brisebois
Heisenberg's uncertainty principle tells you that the mass of a particle multiplied by the...
Can you explain the process by which hot materials emit light? Particularly, why is infrared light...
from West Harrison
How do you get rid of duck weed in a pond?
from Orland Park
How do chameleons reproduce body parts?
I am interested in the age-old debate on whether a person gets wetter by walking in the rain or by...
How do antiperspirant products work? Could you use one on your chest to prevent sweating?
If a person has a bacterial infection and sneezes on a piece of paper, how long will the bacteria...
from Battle Creek, MI
How long does it take for alcohol to be detected through the skin after your first drink? Is there...
My whole family plays hockey. We have frequently discussed how long of a shift should be and with...
from Middlesbrough, Australia
How many times can you split up an atom?
What are the most recent solar storms and will they effect the Earth's atmosphere?
I've got a question about light. As I understand it, light is a particular form of energy--in order...
How are electron sublevels given their assigned letter?
from Langenburg, Saskatchewan
Does population density affect fish growth rates? I'm trying to determine if population density...
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...
A question about tri-coil atomic fusion/fision... If one used positive and negative ionized plasma,...
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