How do touch lamps work? If one person touches the touch pad and someone else taps his other hand,...
from Lansing, MI
How do "Fire Retardents" retard fire? If the flash point of any given material never changes? I...
Is there a better alternative that has yet to be discovered other than zinc to be used in a battery?
Loubelle I. Depita
from Koronadal City, South Cotabato, Philippines
Why does Nitric Acid stain the human skin yellow?
from Boston, Massachusetts
I am allergic to nickel and cobalt. (thanks to patch testing). I think it was provoked by taking...
Does mercury in its gas form act the same way as air - I mean if heated, does it rise?
What is the pH of Diet Pepsi? (or cola,generally) and...
Does smoking affect the body's pH? If so,...
I'm doing a science project and my topic is about the speed of sound. I was wondering if you...
Sean M. North
from Oregon City
In a frying pan, when olive oil is added to butter and heated, according to some cookbooks and...
In our breathing system we have two coenzymes NADH and FADH2. Why do we have two coenzymes? And why...
from Thunder Bay
Last spring and summer there were millions of army worms creeping all over everything. Maybe worse...
What are the quantum numbers that are involved in the distinction between matter and antimatter? I...
from Castro Valley
Can a fast breeder reactor like the famous Candu series of Canadian designed fast reactors be...
from the Internet
If two magnets are in contact with each other or close proximity to each other either repulsing or...
Atalinder S. Bindra
Is it possible to reach a black hole? What is the distance of the nearest black hole from earth? Is...
How do scientists detect nutrinos when they have no mass and no charge?
I understand about the Curie tempurature but I am wondering if an electromagnet has a Curie...
Would it be possible to clone dinosaurs?
If the earth stopped revolving would humans weigh less or more? Would there still be gravity on...
Why is blood salty?
Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell...
Can you tell me whether it would be possible to launch a spacecraft into orbit using a giant...
The first four facts below suggest that the earth should be getting heavier and heavier - but it...
What term is applied to all processes and physical measurements carried out under conditions of...
Is there really a tree in Tasmania called the Huon Pine that is 20,000 years old?
from the Internet
Can someone tell me how scientists are able to get an idea of how many foxes are in an area simply...
How does shaking seeds in a jar lined with sandpaper affect the way they germinate? We shook lima...
I have two questions. 1. Do jellyfish have ears and if so can they hear well? 2. How many...
What furnishs H30+ in water solution?
In 1828, Friedrich Wohler, a German chemist attempted to make an inorganic salt, ammonium cyanate,...
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 lahore, pakistan
I want to knock out the PHB depolymerase gene from the genomic DNA of a bacterium. Can you suggest...
Why does a rare earth magnet fall slowly in an aluminium tube but it falls really fast when I toss...
Wilma de leon
What is the reaction between a chitin--the polysaccharide intermediate between protein and...
How do I estimate the mass of an object when I know its volume and nothing more? For example, how...
from the Internet
I understand that alkenes are more reactive than alkanes. I recently read however, in a new high...
Who was the first scientist to study light?
Can you give me some information on the reaction of ascorbic acid and N-Bromosuccinimide? How do...
from Beaufort, SC
Are all non-toxic claiming products really non-toxic? And is there any simple way (such as a way...
Are there foods to eat which lower/reduce harmful cholesterol levels, or is this achieved by...
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