Скачать или смотреть Why Are Human Babies So Helpless?

Human babies are born remarkably helpless compared to other animals, and this vulnerability is tied to the evolution of our large brains. The human brain is disproportionately large at birth, and the size of the infant’s head must fit through the mother’s relatively narrow pelvis. To accommodate this, humans evolved to give birth earlier in development, when the baby’s brain and body are still immature.

This adaptation, often called the "obstetrical dilemma," ensures survival during delivery but means that human newborns require extensive care and nurturing. Unlike other species that quickly walk or fend for themselves, human infants depend on caregivers for years, allowing their brains to grow and develop outside the womb, supported by the social structures unique to our species.

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