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The grandmother hypothesis https://en.wikipedia.org/wiki/Grandmother_hypothesis https://en.wikipedia.org/wiki/Grandmother_hypothesis is reasonably well-establis
by me_again 1y ago
The grandmother hypothesis https://en.wikipedia.org/wiki/Grandmother_hypothesis https://en.wikipedia.org/wiki/Grandmother_hypothesis is reasonably well-established. The corresponding 'grandfather effect' has not really been demonstrated, as far as I know. https://royalsocietypublishing.org/doi/pdf/10.1098/rspb.2007.0688 https://royalsocietypublishing.org/doi/pdf/10.1098/rspb.2007...