There’s been a lot of focus on the human microbiome recently, and while I’m obviously thrilled at anything which makes people think more about bacteria it’s easy to forget that it isn’t just humans who provide internal living space for bugs. Bacteria are everywhere, inside and among every living creature, and some of them form important symbiotic relationships. The bacteria that live in the gut of ruminant mammals; sheep, cows, and other things that eat grass, are vital for the animals digestion. Next time you eat a steak, thank bacteria.
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