Why does an atom have neutrons and why does a specific atom have a limited amount of isotopes. For...
Karl-Alexander berg brisebois
Heisenberg's uncertainty principle tells you that the mass of a particle multiplied by the...
Why do we have five fingers? My idea is that one of nature's themes is "having enough." It's like a...
How did neutrinos get to be objects of such low energy? Neutrinos are supposed to have been...
Grade One, Chesterville Public School
from Chesterville, Ontario
What do you feed baby praying mantises? We found a mother praying mantis who laid an egg sack on a...
Is gravity considered to be one of the forms of energy such as electricity, heat, light,...
from Los Angeles
Why do dry cell batteries (rechargeable) need to be fully drained before they can be recharged?
Nathaniel P. Luga
from Cebu City
What chemical or chemicals that can desolve a strong concrete structure, and what is its mixture...
Is a nerve impulse considered an electric current since it induces a magnetic field?
We want to know, when we burn NaCl, what happens to Cl?
from the Internet
What would happen if the nucleus of an atom contained too many or too few neutrons, or even none? ...
Is it possible to test for, and diagnose, mitochondrial disorders, after death? How? Can this be...
from Orange City, Florida
I have always heard that distilled water is a poor conductor of electricity. Is this true and if...
How do antiperspirant products work? Could you use one on your chest to prevent sweating?
Why does HIV form resistance to ARV so quickly? HIV reproduces itself millions and millions of...
Is it true that bats don't pass their food through but vomit it up while they are hanging upside...
I am interested in finding more information on how to detect the presence of arsenic in the foods...
I have a few questions regarding Space-Time that have always confused me. I would very much...
from the Internet
How do you find the solubility of a substance?
from Prince George, BC Canada
I need to know what happens to wood (softwoods, hardwoods and kiln dried woods) when they are...
Does antimatter's gravity have the same properties ordinary matter?
Specific tissues are meant to perform specific functions. Is it possible to transfer different...
What is the structure of chicken bone?
How can you extract the bacteriocins (colicins) from E. Coli? I would like to test the...
Light cannot escape from a black hole, because of the black hole's mass. If this is true, then...
from West Harrison
How do you get rid of duck weed in a pond?
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...
How do you calculate potential energy for an object which is sitting on the floor? PE=mgh, which...
What would make it possible for a man to move through solid objects? Is it at least in theory...
I am currently researching how sugar (sucrose) reacts with various chemicals. I am particularly...
When rockets were sent to Jupiter, did scientists get any readings?
Does Jupiter have a solid...
My whole family plays hockey. We have frequently discussed how long of a shift should be and with...
If I had two unlabelled bottles one containing dilute nitric acid and the other containing dilute...
For a long time I have noticed that during the day or any kind of brighter light my eyes are bright...
Is there any magnetic shielding material which is not itself attracted by a magnet?
NASA has recently detected the presence of ice on the moon. Since the moon is surrounded by void...
from Staten Island
When our galaxy will absorb the 2 Magellanic Clouds, that will produce a starburst. For how long...
What is the heat wanted to melt the hardest substance in the world?
What are the chemical properties of phosphorus?
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...
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