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The 'costly son' hypothesis: Why bigger sons may make births riskier across species

A new comparative review, published in The Anatomical Record, examines factors that may lead to birth complications among humans and other mammals. The study suggests that fetal sex may play an important role in risky births in humans and several other species.

The 'costly son' hypothesis: Why bigger sons may make births riskier across species

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NASA Langley Hall of Honor

About the Hall of Honor The Langley Research Center National Advisory Committee for Aeronautics (NACA) and National Aeronautics and Space Administration (NASA) Hall of Honor was conceived by members…

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