What was thought to be the first evidence of successful prospecting for precious metals in the New World turns out to be something completely different, according to a University of Arizona-led ...

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Giving birth to invention out of necessity, a group of UA scientists found a new way to combat industrial corrosion — and a new, cleaner method of metals extraction for the mining industry in the ...

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Silver-bearing ore found at the settlement founded by Christopher Columbus's second expedition was not mined in the Americas, new research reveals. The ore that researchers excavated from the ...