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Research by the ǧ����Ƶ's Jessica Mark Welch is featured this week in Howard Hughes Medical Institute's  site, which provides free science education resources:

In order to study the gut microbiome of humans, scientists have developed a mouse model of it. Here, fifteen different species of bacteria that were characteristic of the human gut microbiome were inserted into the guts of germ-free mice, where they grew to form a functioning microbiome. 

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