Since there are no molecules within the vacuum of space to allow heat transfer, how can the air...
The first four facts below suggest that the earth should be getting heavier and heavier - but it...
How long would a single molecule of a radioactive element last?
If the half-life of U-235 reduces...
This question is in regard to ‘vintage Lucite purses’ that sometimes end up having an odor...
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,...
Why is blood salty?
What are the most recent solar storms and will they effect the Earth's atmosphere?
How do touch lamps work? If one person touches the touch pad and someone else taps his other hand,...
I have two questions. 1. Do jellyfish have ears and if so can they hear well? 2. How many...
Is there a better alternative that has yet to be discovered other than zinc to be used in a battery?
from the Internet
If two magnets are in contact with each other or close proximity to each other either repulsing or...
If the earth stopped revolving would humans weigh less or more? Would there still be gravity on...
from Rahim yar Khan, Pakistan
What is vacuum ? How is it created because if we remove the air then the instrument in which we...
Does mercury in its gas form act the same way as air - I mean if heated, does it rise?
Atalinder S. Bindra
Is it possible to reach a black hole? What is the distance of the nearest black hole from earth? Is...
What are the quantum numbers that are involved in the distinction between matter and antimatter? I...
Is there really a tree in Tasmania called the Huon Pine that is 20,000 years old?
How do I estimate the mass of an object when I know its volume and nothing more? For example, how...
I'm doing a science project and my topic is about the speed of sound. I was wondering if you...
from Beaufort, SC
Are all non-toxic claiming products really non-toxic? And is there any simple way (such as a way...
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...
Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell...
from lahore, pakistan
I want to knock out the PHB depolymerase gene from the genomic DNA of a bacterium. Can you suggest...
Can you tell me whether it would be possible to launch a spacecraft into orbit using a giant...
Are there foods to eat which lower/reduce harmful cholesterol levels, or is this achieved by...
What furnishs H30+ in water solution?
In 1828, Friedrich Wohler, a German chemist attempted to make an inorganic salt, ammonium cyanate,...
How do scientists detect nutrinos when they have no mass and no charge?
In our breathing system we have two coenzymes NADH and FADH2. Why do we have two coenzymes? And why...
Would it be possible to clone dinosaurs?
Why do most industrial LASER diodes emit pulsing light beams and not continuous ones? And what is...
Wilma de leon
What is the reaction between a chitin--the polysaccharide intermediate between protein and...
A friend at a party showed me that you can take a glass bottle, fill it with water, but not all the...
Why does a rare earth magnet fall slowly in an aluminium tube but it falls really fast when I toss...
Who was the first scientist to study light?
Is it possible for a singularity to form outside a black hole?
Can you give me some information on the reaction of ascorbic acid and N-Bromosuccinimide? How do...
I have made a theoretical discovery in my studies. It concerns vibrations of frame of reference in...
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