Copper node

Entries

1. Entry 1

   Native peoples of the Great Lakes' Old Copper Complex hammered nearly pure native copper nuggets into tools, weapons, and ornaments starting around 6500 BCE.

2. Entry 2

   Copper was among the first metals used by humans. A native copper pendant from northern Iraq dates to approximately 8700 BCE, predating gold's known use by several millennia.

3. Entry 3

   Copper surfaces naturally kill over 99.9% of bacteria, including MRSA, within two hours. US EPA registered copper alloys as the first solid antimicrobial materials.

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