On Monday, May 29, 2023 at 6:37:44 PM UTC-4, John Harshman wrote:
> On 5/29/23 1:15 PM, JTEM is my hero wrote:
> >
> > When we say that "Modern Man" arose in Asia or
> > Africa we're being more than a little ambiguous.
> >
> > What do we mean "Modern Man?"
> >
> > If you read the media, what everyone mistakens
> > for "Science," it's pretty clear that the owners of
> > the paleo anthropology social program play fast
> > & loose with their definitions. There's some pretty
> > NOT modern specimens which are called modern.
> >
> > And that's okay. Or would be if they were the least
> > bit consistent.
> >
> > Skull shape, for example, really isn't that important.
You didn't comment on this, John. Did you study enough anatomy
to know just which elements of the skull are diagnostic for Homo
or Homo erectus or Homo sapiens and which are not?
A well known example: the Piltdown forger had to break
off the part where the dentary bone joins the rest of the skull,
because that would have given the game away: it could easily
have been identified as the jaw of a non-human ape. The current
"consensus" is that it is the jaw of an orangutan.
> > Human activity -- our diet, HOW we eat, utensils --
> > have dramatically altered the human face. And one
> > study shows that the human skull in Europe has
> > seen some significant changes in only the last 600
> > years! If it weren't for the geographiical & temporal
> > proximity, one could be forgiven for "Discovering"
> > two different species or at least sub species...
> >
> >
https://www.birmingham.ac.uk/news-archive/2006/research-reveals-the-changing-shape-of-the-human-face
All I got was a summary with no illustrations.
It appears that one has to email the keepers of the archive
just to find out whether there is an online copy.
> > So we can all buy into the "Well they look archaic but
> > they're really modern" because we can't really go by
> > looks. But the laughing stock that is paleo anthology
> > doesn't go by looks, it goes by Africa.
> >
> > If it's not modern and it's found in Africa then it's modern.
> >
> > If it's equally as non modern and it's found outside of Africa,
> > it's not modern.
> >
> > So, when do modern humans begin?
> >
> > I like to argue that modern man starts with erectus.
> >
> > It seems to me likely that if erectus existed today we
> > could successfully interbreed. And it seems beyond
> > question that more archaic types, like Denisovans, had
> > to be breeding with erectus. (more on that later)
> >
> > The human body undergoes great changes due to diet,
> > lifestyle, environment... habit.
> >
> > Then there's sexual selection!
> >
> > So going by looks is stupid. Yes, something can "Look"
> > very archaic but be a "Modern" human, unless you really
> > need to get mindlessly superficial in your distinctions.
> >
> > Again, the problem is one of consistency. Science is
> > consistent, paleo anthropology is not...
> >
> > So my best guess here is that "Modern Man" starts with
> > erectus. They were the likely benefits of the chromosome
> > fusion, slamming the breaks on interbreeding with older,
> > more archaic Homo. They lost the baculum, with them no
> > longer being genetically influenced by older Homo. They
> > developed larger and more complex brains...
> >
> > Next guess would be Heidelberg Man. But is he better
> > viewed as the destination than the start?
> Thanks for the definition, which is especially important if your
> definition is idiosyncratic, as this one is. Since you likely consider
> Homo habilis to be non-human, not a member of Homo, would you then say
> that "modern man" = "Homo"?
Why do you ignore his choice: Homo erectus? Too hasty a reading?
Your next question suggests that:
> And that genus Homo originated in Asia?
You are too trigger-happy over the general mention of Asia.
As a result, you are in danger of derailing the thread by bringing in an issue
that tends to embroil Marc Verhaegan. That is inconsistent with
your frequent repetitious railing against others "hijacking" a thread.
> But what about Homo sapiens? Is Homo sapiens (what everyone else thinks of
> as "modern man") from Africa or Asia?
"everyone"? Don't some restrict it to our subspecies, Homo sapiens sapiens?
And what does "everyone" refer to as "archaic Homo"? as "archaic Homo sapiens"?
>
> But what "older, more archaic Homo" are there? Where are their fossils?
Again you seem to have read too hastily -- this time yourself!
Look at what you wrote about Homo habilis.
> I have my doubts that the chromosome fusion has anything to do with
> speciation or isolation or any benefits. Do you have evidence for that?
The usual reason given for mules and hinnies being "sterile" [actually, almost]
is that the extra chromosome has nothing to pair up with during meiosis.
The few -- very few -- exceptions are not enough to keep the mule/hinny
"species" going in the wild. Why do you think archaic humans were different?
Peter Nyikos
Professor, Dept. of Mathematics -- standard disclaimer--
University of South Carolina
http://people.math.sc.edu/nyikos