<p>Our ancestors once spread their excess effluent on their fields; now we mine it for vital molecules. By Calum Drysdale.</p><p>Visit press.asimov.com to read all articles.</p>

Our ancestors once spread their excess effluent on their fields; now we mine it for vital molecules. By Calum Drysdale. Visit press.asimov.com to read all articles.

What We Find in the Sewers

Audio recordings of Asimov Press essays and science fiction, focused on the science and technologies that promote a flourishing future.

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What We Find in the Sewers

What We Find in the Sewers