Is urine actually sterile? https://t.co/ale5yBkU2X http://pic.twitter.com/QYZedlhVps
— Popular Science (@PopSci) May 28, 2017
via Twitter https://twitter.com/PopSci
May 28, 2017 at 01:00PM
Is urine actually sterile? https://t.co/ale5yBkU2X http://pic.twitter.com/QYZedlhVps
— Popular Science (@PopSci) May 28, 2017
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