About this episode
Unless we’re relaxing on it at the beach, or kicking it out of our shoes, we probably don’t think too much about sand. But that doesn’t mean it isn’t important. Sand is a vital ingredient in concrete. And glass. And asphalt. It makes our modern, urban life possible. And our hunger for it is causing more and more trouble. Vince Beiser, author of The World in a Grain: The Story of Sand and How It Transformed Civilization, explains why sand matters, and how the quest to extract more of it is shaping the world.
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