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Mary Ibale from South Western University, Asia asks,

What is the significance of Science in our society?

the answer

Science and technology dominate today's society in many ways. Wherever you...

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Chemistry

Amanda Parkin from Canberra Australia asks,

Some shampoo is coloured in the bottle (purple or green) etc, why when you lather it up in your...

the answer

In general it takes an extremely small amount of dye to colour a compound....

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Physics

Charles Kern from Detroit Lakes, Michigan asks,

Is there a high permeability magnetic shield that does not have iron in it?

the answer

Most high permeability magnetic shields indeed contain iron, although some...

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Earth

H. from Boise, Idaho asks,

My question is regarding plate tectonics. Is there a possibility that the extreme meltoff that...

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The ice pack in the Arctic Ocean averages only about 5 m thick and floats on...

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