SYSK Selects: How Salt Works

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Nov 16 2019 49 mins   261
A Roman senator once said, "Mankind can live without gold, but not without salt." Right he was. The human body needs salt so much we have developed a taste for it specifically. But too much salt can be toxic. Learn about salt's role in human history and how we get it from the Earth in this classic episode. Learn more about your ad-choices at