Here's a fun game: follow the citation trail and figure out what population of humans was sampled for data that represents "humans" in those analyses and plots (hint: it's not a random sample of extant adult Homo sapiens). Is there any peculiar about this population?
Whatever the civilizational benefits of monogamy or polyamory, male human testicles and sperm reveal an evolutionary history of moderate polygyny -- not pure monogamy, and not promiscuity. (Genetic evidence is also consistent.) https://www.psychologytoday.com/us/blog/how-we-do-it/201805/do-men-have-the-balls-promiscuity?amp&__twitter_impression=true …
-
-
- End of conversation
New conversation -
-
-
If we weren’t sharing multiple partners often, Human males wouldn’t have developed a scooper on the end of their penis http://factstream.blogspot.com/2011/04/semen-displacement-theory.html?m=1 ….
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
It seems to me that even in modern Western polyamory, careful attention is paid to the paternity of children.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.