Modern Marvels · SEASON 15

Salt

Episode 36 · 2008-12-01

★ N/A
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Season 15Episode 36★ N/A/10
  • Documentary

Episode overview

It's the only rock we eat, and we need it to live. History has shown that those who have salt rule the world--and today, this versatile substance has 14,000 known uses.

44 minutes

Season 15 episodes