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How does dish soap work to clean dishes?
Why does lemon prevent the browning of apples? When browning of apples is caused by a reaction with...
Can you please provide background information on catalase and how it affects substrates such as...
Why is the sound of fingernails scratching against a chalkboard so irritating to listen to?
from Kooskia, ID
I have spent 4-5 hrs. attempting to magnetize some iron (Fe) washers using a 12V battery and...
Why doesn't a neon sign finally "run out" of exited atoms and produce dimmer and dimmer light?
Why can't an insect grow large enough to terrorize a city?
from Timmins, Ontario Canada
My son, age 12 is asking for a chemistry set for Christmas. This is an area that has always...
Are we the center of the Universe? Does it always appear to an observer that he/she is at the...
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from Kingston, ONTARIO, CANADA
We have an older pop machine at work with canned soft drinks. Sometimes, when a pop is opened that...
from Limerick Republic of Ireland
How much heat energy (watts) is released from the human body? Is there a relation to the area of...
from Cold Spring
Why does phenolphthalein turn pink with a base? I know it has something to do with light, but i...
from Markham, Ontario, Canada, Amérique du Nord
I was and I still am wondering if there are any really complex questions that even scientists...
What does cytoplasm do in the cell?
Is snow a conductor or an insulator?
Do the cells in the heart tissue know if there is something wrong with the heart. If so, how do the...
Approximately how many nuclear tests do the americans alone conduct every year?
Why does a digital camera need a shutter- I think it should be able to electronically shunt the...
from Seattle, WA
How many scientists does Canada have?
from New Delhi
How did scientists conclude that a major part of our genome is junk? Did they search for open...
from Michigan City, Indiana
I have a small laser pointer. The spot produced by the beam is not a solid red circle, but a fuzzy...
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What is the difference between science and sciencing?
Since the Big Bang we see (with Hubert Reeves and other scientists) that matter has a tendency to...
I am curious. What if two magnetic field lines were to intersect each other? What would this imply...
Can you really grow plants from the seeds found in Mammoth feces? In national parks here in...
I have conducted an experiment with a parachute. I was investigating whether the time taken to...
Why does a balloon travelling inside a car seem to violate Newton's laws? Imagine a toy helium...
I heard that if you set fire to methylated spirit, it will catch fire, but nothing around it will...
from Durham, UK
If the world's land was distributed evenly between all humans how much would we all possess? This...
from Vancouver, Canada
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Why does salt melt ice?
What is "time"? Does the word "time" in Physics have the same meaning as the word time in the...
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What is inside an atom? In between the electrons and the neutron? Maybe if you pictured the atom as...
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