https://actuallyrandom.com/tags/microbiome/ Recent content in Microbiome on Actually Random Hugo en-us Fri, 10 Jul 2026 19:10:00 +1200 https://actuallyrandom.com/posts/bacteria-vs-human-cells-ratio/ Fri, 10 Jul 2026 19:10:00 +1200 https://actuallyrandom.com/posts/bacteria-vs-human-cells-ratio/ The famous 10:1 ratio of bacterial to human cells came from one back-of-the-envelope calculation in 1972. The real number is about 1.3 to 1, and the true story is better.