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NOVA

Treasures of the Earth: Metals Preview

  • Aired: 10/05/2016
  • 00:30
  • Rating: NR
What is it about the nature of metals that have made them a pillar of human civilization?
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Treasures of the Earth: Metals Preview
Treasures of the Earth: Metals Preview
What is it about the nature of metals that have made them a pillar of human civilization?
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