Jessica L. Metcalf

Jessica Metcalf is an evolutionary biologist who is fascinated by old things. At the core of her research is the use of ancient DNA methods to directly sample genes from the past to answer questions in ecology, evolution, conservation, forensics and history. Whether only weeks old, from historic times or the late Pleistocene, DNA preserved in bone, teeth, hair, tissue, coprolites, plant material and soil can solve mysteries about the past.
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Gut Check: Exploring your Microbiome (Coursera)

Imagine if there were an organ in your body that weighed as much as your brain, that affected your health, your weight, and even your behavior. Wouldn’t you want to know more about it? There is such an organ — the collection of microbes in and on your body, your human microbiome.
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