Why some primates have even tougher births than humans
Scientists have long thought humans have a uniquely difficult birth compared with other primates. And it's true that, from an evolutionary perspective, we face an obstetrical dilemma. As we evolved to walk on two feet, our pelvis changed shape and size, and our birth canal became
Scientists have long thought humans have a uniquely difficult birth compared with other primates. And it's true that, from an evolutionary perspective, we face an obstetrical dilemma. As we evolved to walk on two feet, our pelvis changed shape and size, and our birth canal became This story matters for Science & Discovery readers tracking engineering. Reported by phys.org. Read the full original at the source link below.
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