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The Importance of Sand
The World in a Grain is the story of sand and how it transformed civilization. Sand is to cities, what flower is to bread and for the gluten free of us listening to the show,. It's what sells our to our bodies. It's in everything that we need essentially to enable our current civilization. The craziest thing about it is we are starting to run out. You're sitting here, grab it. You know, I'm sitting here. Tell me why sand is important."