Toilet to Tap is Here, but Will People Drink It?

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Paul Rozin is a professor of Psychology at the University of Pennsylvania where he has pioneered modern research on disgust. He believes it's up to psychologists, not scientists, to convince us to drink so-called "toilet to tap" water. You can read more about his research in this New Yorker article.

MUSIC:  "Lentil" by Sia



Evan Kleiman