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In my algebra, I learn that (-3 X -2) = +6 but (-3 X +2) = -6, why?
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from North Sydney
How does the temperature of a liquid effect its refractive index?
I've watched a few videos about sound frequencies altering the geometric pattern of molecules. Some...
from Melbourne, Australia
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I was reading about class I MHC (major histocompatibility complex) molecules and in the book it was...
Who is the scientist to be attributed for equation or formula used in calculating engine exhaust...
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from Aligarh, India
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from New Delhi
Why is it impossible to integrate photosynthetic machinery genes into animal cells....
from the Internet
how many second the people before blink again
I understand that even in a finite volume, there are an infinite number of points. Why does the...
from Kochi, Kerala, India
THE BIG SPILL (An alternate proposal) Space, Time and matter expanding from a tiny spot as...
I am a high school student and I have a question regarding piezoelectricity. I would like to know...
Why did the poppies grow in Flanders fields?
What would happen, given the loss of polar ice and it's deleterious affect on polar bears, if we...
from the Internet
Some people like to stand on their head or hands so they can get a lot of blood in their heads. Is...
Assuming the speed of light, c, what would be the distance of a photon traveling in empty space be...
from Qualicum Beach
Why don't some countries like Canada reprocess spent uranium into plutonium?
from Pune, India
During Biology study, an idea clicked in my head about AIDS. We say that HIV virus cannot be...
When two open metal tubes on the roof of the car for the purpose of use as a roof rack, are...
from North York
I understand survival of the fittest, but why would evolution allow animals to live in water but...
There is a place in Saudi Arabia near Medina known as Wadi Jinn or Wadi Baiza, so there the car run...
Can you please tell me everything about lightning for my science fair because my e-mail deleted...
Mrs. Yoe's Grade Ones
from Innerkip Ontario
Why do geese fly in a V?
from Astana, kazakhstan
How is it that the over-the-counter pregnancy strip test is so fast and specific versus the common...
How are prions able to infect someone's brain after they are eaten? Prions are proteins and large...
from pembroke dock
Does the area of a solar cell affect the voltage produced?
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from Perris, California
When I go to buy my plain t-shirts, I always wonder if there is a particular color choice (dyes)...
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from Medicine Hat
I am attempting to determine if the spark given off from a TASER, would be enough to light a candle...
How would a Foucault Pendulum behave on the Moon?
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