ArticleProceedings of the National Academy of Sciences of the United States of America2022
A milk-sharing economy allows placental mammals to overcome their metabolic limits.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed.
- Reading hominin life history in fossil bones and teeth: methods to test hypotheses regarding its evolution.Biological reviews of the Cambridge Philosophical Society · 2026Review
- Cooperative Breeding as a Likely Early Catalyst of Human Evolution.Evolutionary anthropology · 2025Review
- Neurodevelopmental timing and socio-cognitive development in a prosocial cooperatively breeding primate (Science advances · 2024Article
- Human Amygdala Volumetric Patterns Convergently Evolved in Cooperatively Breeding and Domesticated Species.Human nature (Hawthorne, N.Y.) · 2023Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
SignificanceHere, we demonstrate that a naturally evolving behavior (allonursing) has greater effect on reproductive power (mass per unit of time) and output (litter mass at birth) than does artificial selection (domestication). Additionally, we demonstrate the importance of resource optimization afforded by sociality (rather than resource abundance per se) in shaping a species' life history profile and its ability to overcome its own physiological constraints.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.