The biology of grandmothers
Why do women, unlike other great apes, live long past their reproductive years? Evolutionary biologist Nichola Raihani delves into the fascinating biology of grandmothers, exploring the unique human family structure where child-rearing is a shared effort. This article uncovers the evolutionary dynamics at play, including the subtle conflict between grandmothers and daughters-in-law, and how menopause acts as a biological turning point, shifting a woman’s role from mother to vital helper. Discover the crucial benefits grandmothers provide to their grandchildren, the intriguing distinctions between maternal and paternal sides, and the evolutionary constraints that ultimately limit a grandmother’s lifespan.
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