Repost Re: Earth's magnetic pole shift: Sunscreen, clothes, caves may have helped Homo sapiens survive 41kya

repost from May 6
Mikko wrote:
 > On 2025-05-05 04:54:48 +0000, Primum Sapienti said:
 >
 >> Mikko wrote:
 >> I'm in the middle of Steven LeBlanc's "Constant
 >> Battles", pub 2003. Dated a bit, I suppose, but
 >> does have a lot of useful odds and ends. (The
 >> relating of Eskimo warfare was something else,
 >> they were willing to spend 10 or more days
 >> traveling to kill another group.)
 >>
 >> The migrants may well have had a tech edge in a
 >> time of changing climate etc as well as no
 >> compunctions about knocking off the current
 >> tenants.
 >
 > One important point to consider is that the first Eoropean Homo
 > sapiens sapiens did not survive. Whether the last of them died
 > at the same time or for the same cause is not clear. Diseases
 > of the immmigrants from Asia is a good guess for both.
Disease can/could certainly be a factor. LeBlanc makes
the observation that populations tended to be too small
and dispersed (i.e., low density) such that anything
like an epidemic was not likely. So postulating
disease impacts like that may not be tenable without
better evidence. He (LeBlanc)relates that archaeological
and historical evidence show warfare/fighting death
rates were like 25% of adult males over their adult
lives and up to 5% of women (not to mention children).
He appears to be citing Keeley's 1996 "War Before
Civilization". (that's always been on my list-to-get
but never very high - til now ;)
Losses like that would definitely have an impact.