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Brett Schneideradded this to BHS reads
A microscopic look at why the world is running out of sand
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A microscopic look at why the world is running out of sand

The Verge - William Poor

Come along on our sand scavenger hunt The world is running surprisingly low on sand. Humans have found a staggering variety of uses for sand, from glass and concrete to electronics and artificial islands. And natural sand production is a slow process — mountains weather down to smaller and smaller …

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