From the Vault: Gold, Metal of the Sun

In this classic episode of Stuff to Blow Your Mind, Robert and Joe explore the nature of gold, humanity’s history extracting it from the Earth and the amazing properties of gold nanoparticles. (Originally published 2/16/2021) Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.