Podcast: The Magic of Salt

Yuya Shino / Reuters via The Atlantic

Almost exactly five years ago, I quoted Mark Kurlansky’s book focused on the history of an Atlantic fish species, Cod. I knew he’d written another book on the history of salt, but haven’t read it yet. With a podcast episode from Gastropod that was featured in The Atlantic recently, I got a nice summary of the subject and learned even more about the current issues revolving around sodium.

Salt is a magical substance. It reduces bitterness, enhances sweetness, boosts flavor, and preserves perishable foods. Without it, we would die: The human body can’t make sodium, but our nerves and muscles don’t work without it. It was considered rare until quite recently, so it’s hardly surprising that, throughout history, salt has been the engine behind empires and revolutions. Today, there’s a new battle in the salt wars, between those who think that we eat too much of it and it’s killing us—and those who think most of us are just fine. Join us for a serving of salt, seasoned with science, history, and a little politics.

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Recommended Podcast: Food Packaging

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If you are not yet listening to Gastropod, this would be as good a place to start as any:

Outside the Box: The Story of Food Packaging

The invention of food packaging is one of humanity’s greatest achievements. It may seem hard to imagine today, but the first clay pots made the great civilizations of the ancient world possible, while paper’s first use, long before it became a surface for writing, was to wrap food. But packaging’s proliferation, combined with the invention of plastics, has become one of our biggest environmental headaches. In this episode, we explore the surprising history of how our food got dressed—and why and how we might want to help it get naked again.

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