When Uriel plans his work schedule late in summer near his village in the Peruvian mountains, his first decision is usually ...
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Salt was once as valuable as gold and used as currency. Here's how the two commodities diverged.
An ounce of salt could once be traded for an ounce of gold. Now, the idea is laughable, with the cost of gold reaching over ...
An ounce of salt could once be traded for an ounce of gold. Now, the idea is laughable, with the cost of gold reaching over $2,000 per ounce while 26 ounces of salt is valued at just $1. How did gold ...
Salt is an essential nutrient for the human body. But hundreds of millions of years before the first humans, salt minerals once shaped entire landscapes. They even determined where early life on Earth ...
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