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Why are portable phones called cellular phones? How do they work?
Why can't spruce trees compete with maple trees in more southern forests? What advantages do the...
What wind speed would be enough to blow somebody away?
Where does the energy in freezing water come from? When water freezes, its volume increases so that...
Are there special awards for Canadian scientists? Canadian science greats like Sir Frederick...
from Magnolia, AR
My son's girl friend's maternal Grandmother and paternal Grandmother both have the same birthday...
Teresa G. Nelson
My father was exposed to massive radiation exposure before he fathered two out of three children....
from leaf river
How many skin cells would be in a square inch?
Is it feasible to embed microchips carrying pertinent data, health, history, money etc. into humans?
Has anyone ever weighed nuclear reactions in reactors to see if the reactor weighs more while...
What kind of careers are there to choose from, based on chemistry and biology. To become a doctor,...
from Vancouver, Canada
Do herbal medicines interfere with the effectiveness of prescription medicines? If so, how does...
Why are the time zones on maps rated as longitude & latitude in degrees and minutes?
from Colorado Springs
When a group of cancerous cells is compared to a group of normal cells, cancerous cells usually...
I am experimenting with microwave reboil caused when you microwave coffee or water and add sugar,...
from Holly Springs, NC
I was reading a text which stated that scientists have used ice cores to calculate prehistoric CO2...
For school I need to know about natural convection and forced convection. I need to know the...
In the CANDU nuclear reactor, what initiates the fission process? I understand that the U235 in the...
from Halifax, N.S.
How do you calculate water flow rate (volume/sec) based on water pressure and hole or pipe size?...
from LONDON ENGLAND
(1) What quantities of the earths atmosphere are lost to outer space over a given time?
Can stabilized oxygen be used in place of iodine or chlorine to purify water? What if used in...
How can I separate NaCl so I can obtain Na?
I know the basic details of how an ionization smoke detector works, where particles enter the...
from Karachi, Pakistan
Why do we get coloured water if we put a slice of beet root in water but we do not get coloured...
from hurricane w.v
If a person or infant is going to get freckles, at what point or age do they appear?
How and when did the Great Barrier reef develop? Is it still developing today?
Can Ozone be created? And if so, is it possible to patch up the Earth's protective layer of Ozone...
Can you damage your hands by cracking your knuckles?
Can you help me with a wonderful magic trick I performed as a boy? I made a silk rose change...
My son, James, and I cannot agree about the recoil of a gun. I believe that if a gun is fixed in a...
from Wawa, Ontario
Is it a crime to prevent the birth of a malformed fetus? I strongly feel that we should terminate...
from Avon Lake
I am doing a report on aluminum and the impact it has on our environment for a science class. Do...
from Seattle, WA, USA
Can you explain the meaning of the phrase: " has cleared the neighbourhood around its orbit.” I...
What is the chemical make-up of pear, banana and apple peels?
Marsha Anisoquili (Many Ponies) Raymond
from St. Petersburg, FL, USA
If oriental is eastern and occidental is western, what is northern and southern?
How can I make my own methylated spirit?
How does pectin gel?
Mohammed Talha Khan
Why does water evaporate when it is left out in the open?
What exactly is "Bovine Spongiform Encephalopathy" (BSE), or mad cow, what are it's effects, and...
If we heat a square metal page with a circle hole in the center of it, what will happen to both the...
What is fire composed of? Could you have liquid fire, or solid fire?
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