Humans' big brains may not be the reason for difficult childbirth, chimp study suggests - Livescience.com
Difficult births are not unique to humans, a new analysis of chimpanzee pelvic bones has revealed.
The findings suggest that complicated births may not have arisen in humans as a trade-off between o… [+4709 chars]
The findings suggest that complicated births may not have arisen in humans as a trade-off between o… [+4709 chars]
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