[Marxism] the evolution of the human eyebrow

Dennis Brasky dmozart1756 at gmail.com
Fri May 4 17:38:01 MDT 2018

Historically speaking, these marked changes in the face occurred at a time
when the emergence of important social changes began to take place—mainly,
the collaboration between distantly related groups of humans.

This was a time when modern human groups began to exchange gifts
<https://www.openquaternary.com/articles/10.5334/oq.ai/> across large
regions. Being able to create distant friendships probably helped early
humans to colonize new environments, as they had friends they could rely on
and retreat back to.

Modern humans also lived in larger and more diverse groups than previous
species <http://science.sciencemag.org/content/331/6022/1286>, thereby reducing
interbreeding. So the impacts of friendly and mutually supportive
relationships with people outside one’s own group were far-reaching. And
the development of mobile eyebrows may have been a key part of all these

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