Dr. Lawrence David is an associate professor of molecular genetics and microbiology in the Center for Genomics and Computational Biology. He runs the Edible Atlas project at Duke University.
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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.
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17:27
Tracking the Daily Rhythms of the Microbiome
How do the circadian rhythms of gut bacteria affect the rest of the body?