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Archive Classic: E-I-E-I-O in Old McDarwin’s Animal Farm

Some beliefs about origins are more equal than others.

Archive Classic: The Evolution of Electrical Engineering: An Imaginary Tale

This CEH entry from Jan 17, 2007 contains a lesson still important today.

Archive Classic: Where Do Gems and Precious Metals Come From?

How did gems and precious metals get to the Earth's surface?
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