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Re:Dolphins Show Self-Recognition Earlier Than Children by ujal on Sunday January 14, 2018 @07:54PM (#16147604)
Its hard to imagine that our large brain came first and the birth canal was an afterthought :))

As the case with dolphins, humans rely on social interactions to survive. The more an animal relies on their caregiver, the more it relies on learning and the less it relies on instincts to survive.

Re:Dolphins Show Self-Recognition Earlier Than Children by Sharlin on Monday January 15, 2018 @04:36AM (#16149526)
The point is that the pelvis (and birth canal) size couldn't keep up with the increase in cranium size, possibly due to other selection pressures like the requirements of bipedal gait. Human females would need ludicrous hips if we were born more developed.
Re:Dolphins Show Self-Recognition Earlier Than Children by ujal on Monday January 15, 2018 @10:21AM (#16151000)
On the other hand skills like object permanence require the development outside the womb. I am sure nature would have found a way if it would be possible otherwise.