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Chemistry

Jamie Duckett from the Internet asks,

In my science 9 class we recently had a discussion about physical and chemical changes. Here is the...

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I don't want to get involved in a fight with your teacher because I don't...

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Earth

Kenneth Hickford from London, England asks,

How many active volcanoes are there at any onetime on the Earth, and how much "Greenhouse" gas do...

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According to this website...

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Chemistry

Anthony Daddazio from Maple asks,

I have had some alkaline batteries (AAA, and AA) that have leaked. These batteries were in a TV...

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First of all do not worry too much. The mix is not particulary toxic, just...

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Medicine

Anonymous from Vancouver, BC asks,

Why is the golden ratio considered aesthetically pleasing? In other words, what are the...

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The neurological correlates for beauty -- whether of faces, art, nature...

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