How does dish soap work to clean dishes?
What is the effect of sound on plants? I have come up with a lot of good information, but I have...
from Kooskia, ID
I have spent 4-5 hrs. attempting to magnetize some iron (Fe) washers using a 12V battery and...
How long can someone sustain without sleep? What factors would change that number of hours or days?...
from Timmins, Ontario Canada
My son, age 12 is asking for a chemistry set for Christmas. This is an area that has always...
Why is the sound of fingernails scratching against a chalkboard so irritating to listen to?
Why can't an insect grow large enough to terrorize a city?
Are we the center of the Universe? Does it always appear to an observer that he/she is at the...
Why doesn't a neon sign finally "run out" of exited atoms and produce dimmer and dimmer light?
Why are a duck's feet coloured orange?
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 Kingston, ONTARIO, CANADA
We have an older pop machine at work with canned soft drinks. Sometimes, when a pop is opened that...
from Markham, Ontario, Canada, Amérique du Nord
I was and I still am wondering if there are any really complex questions that even scientists...
If matter expands when heated, and contracts when cooled, why does ice expand when water freezes? ...
What does cytoplasm do in the cell?
Approximately how many nuclear tests do the americans alone conduct every year?
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...
Electricity. It powers almost all household appliances as well as the complex electronics we rely...
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...
Why does a digital camera need a shutter- I think it should be able to electronically shunt the...
from Cold Spring
Why does phenolphthalein turn pink with a base? I know it has something to do with light, but i...
Can you really grow plants from the seeds found in Mammoth feces? In national parks here in...
from Durham, UK
If the world's land was distributed evenly between all humans how much would we all possess? This...
I heard that if you set fire to methylated spirit, it will catch fire, but nothing around it will...
Why does a balloon travelling inside a car seem to violate Newton's laws? Imagine a toy helium...
I have conducted an experiment with a parachute. I was investigating whether the time taken to...
from Lengerich, Germany
I would like to know the amount of salt (either in ppm or %) in a normal human tear.
What is "time"? Does the word "time" in Physics have the same meaning as the word time in the...
What do paper and plastic bags degrade to? How much does it cost to make a paper and plastic bag?
from the Internet
What is inside an atom? In between the electrons and the neutron? Maybe if you pictured the atom as...
from Vancouver, Canada
Are double yolked eggs ever viable? Can they be fertilized? If so are they to be fertilized once or...
What are the urgent steps an undergrad must take to start researching? I am a high school graduate...
What happens when you use ethanol (unblended) in a standard, unleaded car engine? Will it work?
from South Western University, Asia
What is the significance of Science in our society?
from Fort Knox
If the sun is a heat source, and as the sun gets closer to the earth the heat intensifies, then why...
from Sydney, Nova Scotia
I hear there are 9 species of cicadas in Canada, but I haven't been able to get any more...
from Orland Park
If you find a bone in an archeological dig how can u tell what kind of animal it was?
from Orland Park
What process does a jellyfish go through when it stings something?
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