Scientific progress: disproving previously-tenable hypotheses
Population fluctuations explain reproduction/longevity tradeoffs
Increasing organic yields: experience, not microbiomes?
Mixed-infection mutualism requires host sanctions
Cheating rhizobia? Decrease nodule gas permeability
Abundant nitrogen? Decrease nodule gas permeability
Few gas-filled pathways into nodules
Nodule gas permeability: stomata-like mechanism?
Improvements evolution missed? Cooperation, ecosystem organization
Improvements evolution missed? Seek acceptable tradeoffs
Forced eusociality makes rhizobia more beneficial
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