Watch Urine's Superpowers (2014)
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Urine's Superpowers
That smelly, pale yellow liquid that people flush down the toilet every day is an industrial fertilizer, a diagnostic tool, a medicine, a renewable energy resource; it is an inexhaustible substance that is produced daily in huge quantities. This is the golden story of urine.
★ 5.5 52 min 2014-11-14
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