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A comment on Why the Best Doesn't Always Win (1996). Parent comment

Re:Why the Best Doesn't Always Win (1996) by js2 on Monday July 31, 2017 @02:20PM (#14894596)
Even the nipple is learned. Lots of mothers struggle with breastfeeding initially. Some even give up in frustration since it's expected to be easy.
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Re:Why the Best Doesn't Always Win (1996) by MengerSponge on Monday July 31, 2017 @05:11PM (#14895931)
Babies learn how to use a nipple more efficiently, but the initial use is innate:

https://en.wikipedia.org/wiki/Primitive_reflexes#Rooting_ref...

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