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What do people eat? Plant and animal DNA in sewage provide clues
DNA signatures of plant and animal species remain behind even after they’ve been eaten, digested, excreted, and flushed down the toilet.
About This Episode
What do people eat? Plant and animal DNA in sewage provide clues is an episode from Science Friday by Science Friday and WNYC Studios. DNA signatures of plant and animal species remain behind even after they’ve been eaten, digested, excrete...
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Published Aug 5, 2026, 00:12:32 long, audio available.
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