This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Human newborns arrive remarkably underdeveloped. The reason lies in a deep evolutionary ...

Simulations of Australopithecus hominins’ anatomy suggest that when they gave birth, they may have exerted tremendous pressure on their pelvic floors, putting them at risk of tearing ...

In fact, it is not only the human newborn’s large head that makes birth challenging. Its shoulders are also quite wide compared to the birth canal, so additional juggling is needed to avoid jamming.