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About this episode
What surprises lurk in our sewage? How did racist city planners end up saving Black lives? Why does Arizona grow hay for cows in Saudi Arabia? Three strange stories about the most fundamental substance we all take for granted. SOURCES:Brian Beach, professor of economics at Vanderbilt University.Marc Johnson, professor of molecular microbiology and immunology at the University of Missouri School of Medicine.Amy Kirby, program lead for the National Wastewater Surveillance System at the Centers for
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