For anthropologists and ethnographers of yore, grandmothers were crones, an impediment to "real" research.(...) But [now] for a growing number of evolutionary biologists and cultural anthropologists, grandmothers represent a key to understanding human prehistory, and the particulars of why we are as we are. This article in the New York Times also reports about some anthropological research about grandmothers in rural Gambia. If you don't have a free login for the NYT, use this one: User:"ethno" Password:"log123")

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