I have two questions. 1. Do jellyfish have ears and if so can they hear well? 2. How many...
Russell J. Wells Jr.
from Dearborn Hts., Mich.
Why is the efficiency of most all lasers limited to .1% to 30%? What are the limiting factors? What...
What are the most recent solar storms and will they effect the Earth's atmosphere?
from lahore, pakistan
I want to knock out the PHB depolymerase gene from the genomic DNA of a bacterium. Can you suggest...
from Ottawa, Ontario
Why do ceramic magnets lose their strength in extremely cold temperatures like dry ice?
How do I generate heat from a battery?
I have been doing an experiment in school and I don't understand why the following happens. When we...
Do bends in a wire affect its electrical resistance ?
What is the field of cryogenics? What kind of occupation is available in cryogenics?
from Bridgewater NS
In reusable heat packs, the crystalization of sodium acetate is exothermic. This process can be...
from Boston, Massachusetts
I am allergic to nickel and cobalt. (thanks to patch testing). I think it was provoked by taking...
from Bathurst, New Brunswick
Are the pores of the cell membrane composed of protein molecules or are they simply holes in the...
According to my family, a comet streaked through the sky the morning one of my uncles was born. His...
from London Ont.
1. If the earth's population is about 6.2 billion now and it will double lets say every 35 years,...
Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell...
from Split, Croatia
What happens when electrons pass through a magnetic field at a velocity near lightspeed?
Arnold J. Wallmann
What causes albino-ism in people? Which chromosome is the albino gene on?
Loubelle I. Depita
from Koronadal City, South Cotabato, Philippines
Why does Nitric Acid stain the human skin yellow?
from New Delhi
Why are the lipids found in the human body mostly even numbered?
from the Internet
Are there any Canadian scientists that have contributed to the field of bioremediation?
What is the pH of Diet Pepsi? (or cola,generally) and...
Does smoking affect the body's pH? If so,...
from Beaufort, SC
Are all non-toxic claiming products really non-toxic? And is there any simple way (such as a way...
from Dallas, Texas
If you shine a light through a glass of water, the light slows down. What makes it speed up again...
What furnishs H30+ in water solution?
Why is it that alcohols do not follow a trend for their melting points, like their boiling points...
from Exeter, Devon, UK
Since puberty I have always been tall and thin with very long legs. I was a fair player of rugby...
from Maple Ridge, BC
When you get a lighter and get a piece of metal and you turn on the lighter and put it over the...
Where on earth is the gas neon found? Is it common? Rare? In what form is it usually found (as a...
from the Internet
What exactly are Proton Spin Numbers, and how can you have a non-integer proton spin number?
If the earth stopped revolving would humans weigh less or more? Would there still be gravity on...
I'd like to model magnetic fields on my computer, but I can't find any software. Can you point me...
from Brisbane, Australia
Is it true that no mass can travel at the speed of light? If this is true, as you are nearing the...
from Cherry Hill
I have a question regarding starfish, or seastars, whichever you would like. Is there a species of...
from Northampton England
How do you measure the pH of soil? How do you make up a solution of different pHs? What is the best...
Why do kids with blonde hair have dark brown hair when they're older? Is it the same process as...
Since there are no molecules within the vacuum of space to allow heat transfer, how can the air...
Ernesto C Ignacio
from Malabon City, Philippines
I understand that in some countries it is prohibited to use industrial acetic acid to make table...
What is the difference between animal hibernation and a human coma? These states appear similar,...
Are there foods to eat which lower/reduce harmful cholesterol levels, or is this achieved by...
Atalinder S. Bindra
Is it possible to reach a black hole? What is the distance of the nearest black hole from earth? Is...
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