SYSK Selects: How Gold Works

As of early 2013, only 161,00 metric tons of gold had been mined in the entire history of the world. Considering about 85 percent of it is recycled, there's a decent chance your jewelry may once have been part of an Incan headdress or Mycenaean face mask. Dive in to gold in this classic episode.

See omnystudio.com/listener for privacy information.