Native American Heritage Month

Justin McGuire
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How the World Really Works: The Science Behind How We Got Here and Where We're Going, by Vaclav Smil

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In two centuries, the human labor to produce a kilogram of American wheat was reduced from 10 minutes to less than two seconds.
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How the World Really Works: The Science Behind How We Got Here and Where We're Going
How the World Really Works: The Science Behind How We Got Here and Where We're Going
by Vaclav Smil
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