This question is in regard to ‘vintage Lucite purses’ that sometimes end up having an odor...
Why is blood salty?
I'd like to know what happens to radio waves once they have been emitted. Do they live forever?...
The first four facts below suggest that the earth should be getting heavier and heavier - but it...
How do touch lamps work? If one person touches the touch pad and someone else taps his other hand,...
Atalinder S. Bindra
Is it possible to reach a black hole? What is the distance of the nearest black hole from earth? Is...
Does mercury in its gas form act the same way as air - I mean if heated, does it rise?
I have two questions. 1. Do jellyfish have ears and if so can they hear well? 2. How many...
from Castro Valley
Can a fast breeder reactor like the famous Candu series of Canadian designed fast reactors be...
If the earth stopped revolving would humans weigh less or more? Would there still be gravity on...
How long would a single molecule of a radioactive element last?
If the half-life of U-235 reduces...
I understand about the Curie tempurature but I am wondering if an electromagnet has a Curie...
What is the pH of Diet Pepsi? (or cola,generally) and...
Does smoking affect the body's pH? If so,...
Is there really a tree in Tasmania called the Huon Pine that is 20,000 years old?
from lahore, pakistan
I want to knock out the PHB depolymerase gene from the genomic DNA of a bacterium. Can you suggest...
Is there a better alternative that has yet to be discovered other than zinc to be used in a battery?
from Beaufort, SC
Are all non-toxic claiming products really non-toxic? And is there any simple way (such as a way...
from Rahim yar Khan, Pakistan
What is vacuum ? How is it created because if we remove the air then the instrument in which we...
How do I estimate the mass of an object when I know its volume and nothing more? For example, how...
from the Internet
If two magnets are in contact with each other or close proximity to each other either repulsing or...
Are there foods to eat which lower/reduce harmful cholesterol levels, or is this achieved by...
Can you tell me whether it would be possible to launch a spacecraft into orbit using a giant...
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 Thunder Bay
Last spring and summer there were millions of army worms creeping all over everything. Maybe worse...
In 1828, Friedrich Wohler, a German chemist attempted to make an inorganic salt, ammonium cyanate,...
Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell...
Would it be possible to clone dinosaurs?
Wilma de leon
What is the reaction between a chitin--the polysaccharide intermediate between protein and...
What are the quantum numbers that are involved in the distinction between matter and antimatter? I...
Who was the first scientist to study light?
What furnishs H30+ in water solution?
How do scientists detect nutrinos when they have no mass and no charge?
Why do most industrial LASER diodes emit pulsing light beams and not continuous ones? And what is...
I'm doing a science project and my topic is about the speed of sound. I was wondering if you...
Why does a rare earth magnet fall slowly in an aluminium tube but it falls really fast when I toss...
I have made a theoretical discovery in my studies. It concerns vibrations of frame of reference in...
A friend at a party showed me that you can take a glass bottle, fill it with water, but not all the...
In our breathing system we have two coenzymes NADH and FADH2. Why do we have two coenzymes? And why...
Has absolute zero (0 K) ever been reached a laboratory?
Can you explain how those bright sticks work, the ones that glow for hours with a snap and a shake?
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