Milestones in order. This is history, not a weekly activity grid.
- Metchnikoff and yoghurt
- Germ-free mammals
- Anaerobe culture boom
- 16S surveys scale
- Turnbaugh obesity mice
- Human Microbiome Project
- FMT trial landmark
- Diversity, not a list
Darker cells mean a higher score for this topic on that metric.
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Quick answers
Where should I start with Gut microbiome?
Read Identity → How they live → Body & health, then use compare rails.
Is this page advice for Gut microbiome?
Public-health education — not a care plan, prescription, or outbreak briefing.
What does the local lens add?
It names everyday desks for Beneficial allies before English norms look universal.
Are the scores a ranking of Gut microbiome?
No — editorial 0–100 browsing aids inside this atlas only.
How do I compare Gut microbiome to neighbours?
Use related cards and best-of / quiz rails after the first three chapters.
Which chapter is densest?
How they live and Body & health carry mechanisms; skim Identity first.
People knew fermented milk felt different long before they counted cells. The last twenty years turned stool into sequence.
Germ-free animals showed the host develops oddly without microbes. That is a research tool, not a lifestyle goal.
Timeline
Élie Metchnikoff popularises sour milk and longevity ideas — a probiotic prehistory.
Isolators show immune and gut-wall development depend on microbes.
Hungate-style methods reveal the colon is not an empty tube.
High-throughput tags show person-to-person differences without growing every cell.
Transplantable community effects in mice ignite metabolism headlines — mice are not men.
NIH launches a reference map of healthy volunteers' communities.
A randomised trial shows stool transplant can beat vancomycin for recurrent C. difficile in a clinical setting.
Consensus papers stress functions and fibre over a universal species shopping list.
History here is also the history of fibre, hospitals and marketing.
Keep exploring
More in Beneficial allies
Probiotics
Live microbes in food or capsules — strain-specific guests, not a whole microbiome and not medical advice.
Familiarity 90Fermentation
Microbes turning food into kimchi, doenjang, yoghurt and other living crafts — chemistry plus culture.
Familiarity 85Skin microbiome
A site-specific living film — oily, moist and dry neighbourhoods, not a sterile wrapper.
Familiarity 62Soil microbes
The hidden workforce of land — decomposers, mycorrhizae and a mostly uncultured majority.
Familiarity 48Nitrogen cycle
How microbes move nitrogen between air, soil, water and food — plus the industrial shortcut that feeds billions.
Familiarity 40