Back to "normal"? Not yet¹.⁠ ⁠ Our bodies house trillions of bacteria—and when we’re keeping at home, they are too. The interactions they’re accustomed to—with people, animals, nature, and other microbes outside our four walls—have dwindled. And in this time of (necessary) isolation, what happens to our microbial communities? ⁠ ⁠ Biologists have been studying the effects of isolation on species for years. On remote islands, for example, certain species thrive at the expense of others, gradually altering the biodiversity of their particular ecosystems². The same could be true of our own bacteria. Microbes rely on behaviors or environments that could be restricted during quarantine. Just like we benefit from a diversity of interactions and experiences, so too do our microbiomes. ⁠ ⁠ If you’re looking to broaden your microbial circle while isolated, you’ll be happy to know that there’s one simple, delicious solution: ⁠ ⁠ The #AmericanGutProject (a crowd-sourced, community science microbio...