I have a physics paper here (don't worry i am not asking you for the answers!) that says each U-235...
Why does an atom have neutrons and why does a specific atom have a limited amount of isotopes. For...
Why do we yawn when we see someone else yawn? Why is it contagious?
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?
Is a nerve impulse considered an electric current since it induces a magnetic field?
from West Harrison
How do you get rid of duck weed in a pond?
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? ...
Can absolute zero (0 degrees Kelvin or -273.16 degrees Celsius) be registered on a thermometer,...
What would make it possible for a man to move through solid objects? Is it at least in theory...
How do scientists modify a virus so that it can be beneficial to a host cell? For example, during a...
Is there a substance known to science that reacts to electrical impulses by contracting or changing...
What is the heat wanted to melt the hardest substance in the world?
from Staten Island
When our galaxy will absorb the 2 Magellanic Clouds, that will produce a starburst. For how long...
How do you calculate potential energy for an object which is sitting on the floor? PE=mgh, which...
For a long time I have noticed that during the day or any kind of brighter light my eyes are bright...
What are the chemical properties of phosphorus?
Karl-Alexander berg brisebois
Heisenberg's uncertainty principle tells you that the mass of a particle multiplied by the...
What is the most critical environmental problem in Canada today?
Does fabric softener affect drying time of towels?
How are electron sublevels given their assigned letter?
If I had two unlabelled bottles one containing dilute nitric acid and the other containing dilute...
If body temperature is 98.6 degrees, why does 98.6 degree water feel hot when you place it on your...
My husband has dark brown hair, and I have white blonde hair. If Dark hair is supposed to be...
from Phoenix, Az
We just finished studying about DNA, Adenine, thymine, guanine, ect. and one question that I had...
Nathaniel P. Luga
from Cebu City
What chemical or chemicals that can desolve a strong concrete structure, and what is its mixture...
I am interested in the age-old debate on whether a person gets wetter by walking in the rain or by...
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?
Can you explain where the "extra" ATP comes from in photosynthesis? As I understand it:
from Middlesbrough, Australia
How many times can you split up an atom?
from Orland Park
How do chameleons reproduce body parts?
from Langenburg, Saskatchewan
Does population density affect fish growth rates? I'm trying to determine if population density...
When rockets were sent to Jupiter, did scientists get any readings?
Does Jupiter have a solid...
I have been charging a leyden jar with an electrophorous (pieplate and cup) and was wondering how...
How did neutrinos get to be objects of such low energy? Neutrinos are supposed to have been...
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...
How do antiperspirant products work? Could you use one on your chest to prevent sweating?
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