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When Did Humans Arrive in the Americas...

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When Did Humans Arrive in the Americas...

Old 10-01-21, 11:46 AM
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Originally Posted by 79pmooney View Post
Pure speculation here. Suppose those first immigrants, the White Sands people, were a small tribe battling for existence in a place with plenty but also big predators. Suppose they had rudimentary tools but none big enough to threaten those animals and that they did not have either the numbers or will and teamwork enough to do a kill of a very large animal. (They might have even respected/worshipped them.) Such a people might live for years even centuries or millenia and never gain the numbers or will to threaten the large animals.

Now say in Asia/Europe, things were different. Far more people. They were displacing and killing the large animals. Agriculture had started because animal food sources were waning combined with a growing need for food. Young men and the women they could bring with them ventured from home, crossing a land bridge to a new (to them) world looking for land and opportunity. Upon finding humans already in the new land I'd guess they'd kill or conquer some and cohabitate with others. (10 thousand years later, the English killed/conquered the inhabitants, the French cohabitated with them and the Spanish did both.)

The native Americans today had genes that come from at least two very different sources. Clovis and White Sands? There is also speculation that there may be a Pacific Islander bloodline in South America: that sea traffic may have once been common. This would be a lot harder to document as relics often do not survive a tropical environment; unlike the far dryer and colder North America. (The voyage spelled out in the book Kon Tiki demonstrated how this might have worked. We know now a lot of what the author speculated was wrong but he demonstrated cearly that such trans-Pacific intercourse long ago was entirely possible (and if they were true mariners, not bumbling hacks maybe even easy!)
I subscribe to the Younger Dryas impact hypothesis (YDIH) as an explanation to the massive extinction event during the Younger Dryas, which was a global event. The only missing part is finding a crater, if there is one.

Although there is a very new theory that hasn't gotten a good look yet, but I do find it interesting and that is a super massive Solar Flare and/or Coronal Mass Ejection event. But that theory, as of now, is way out on the fringes.


Disappearance of Ice Age Megafauna and the Younger Dryas Impact

Population decline and extinction

At the onset of the Younger Dryas there was a massive, worldwide extinction of mammals weighing over 40 kg. It is estimated that 82% of these animals disappeared in North America, 74% in South America, 71% in Australasia, 59% in Europe, 52% in Asia, and 16% in Sub-Saharan Africa. Fossil evidence suggest the disappearances were very sudden. In addition to the extinction of the mammoths and the disappearance of horses in North America other species, including bison, deer, and moose suffered massive population losses (Fig. 5).

The evidence for the YD impact is compelling but continues to receive widespread criticism from a small number of purists. Attempts by reviewers to suppress the publication of the data have generally failed, and arguments against the data-based conclusions are largely anecdotal. In many respects the arguments against the YD impact have followed similar lines of criticism applied to continental drift, the impact origin of craters on the moon, and K-Pg impact that killed the dinosaurs. In each case “experts” refused to change preconceived notions despite the accumulated evidence. Perhaps the YD Impact can receive quicker acceptance since it is a harbinger of future catastrophic events that we expect to occur.
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Old 10-01-21, 12:33 PM
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Originally Posted by canklecat View Post
Humans arrived in the Americas? When? Mostly what I see are programmable meat puppets with the worst software glitches.

I'm on my third viewing of Battlestar Galactica, a show I could barely tolerate during the first run as incomprehensible gibberish.

My fault for trying to empathize with the humans.

Now I finally understand it. And I sympathize with the Cylons.
The original?...which I saw as a poor man's star wars. Or the remake, where damn near everyone turned out to be a Cylon in the end. Ridiculous.
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Old 10-01-21, 11:59 PM
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Originally Posted by skijor View Post
The original?...which I saw as a poor man's star wars. Or the remake, where damn near everyone turned out to be a Cylon in the end. Ridiculous.
The remake.

I couldn't get into the original. Too cheesy. I liked sci-fi but never really got into Star Wars or anything that tried to be like it. My taste is more Alien franchise, Farscape, LEXX, the various Stargate series, some Star Trek, Orphan Black, X-Files.

The BG remake seems excessively mannered, takes too long to get to the point, and if you miss a show you need a viewer's guide to figure out who's who among the various humanoid Cylons. And the HD video cinematography of the early 2000s was atrocious with poor dynamic range and glaring highlights. And there's too much soap opera personal drama.

OTOH, the BG remake has enough interesting stuff in the overall story to keep me wondering what I'm missing. There's something compelling about the "Who's more human?" question posed by Blade Runner, the Battlestar Galactica remake and similar shows including some of the better zombie movies -- particularly the George Romero movies.

I only halfway watched it in bits and pieces during the original run, and during syndication a few years ago. It's impossible to keep up with the many versions of the humanoid Cylons without watching every episode in sequence. And some of the Cylon characters never seemed to fully develop, which was probably frustrating for the actors who played the accessory Cylons, while Number 6 or Number Sex cavorted through 75% of the Cylon scenes.

So this time I tried to watch more episodes in sequence and it began to get more interesting.
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Old 10-02-21, 11:35 AM
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Was this before or after we evolved to become almost acceptable servants for cats?
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Old 10-02-21, 01:21 PM
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I'm surprised w4b didn't post the video! This is a good one on the find
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Old 10-02-21, 02:35 PM
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They HAVE found the crater in north Greenland. There's also been hundreds of frozen animals found in Siberia.
It's been proven that they had to have been flash frozen in a couple hours, or the flesh would decompose. The human kill off is therefore a laughable supposition. I think the Americas had people at least 25,000 years ago.
I think there had to have been civilization up to 15,000 years ago all over the world, now under water. . Funny how "experts" still dismiss all such theories.
Like Nan Madol, said to have been built 800 to 1,200 AD, UNDER water with dugout canoes. LOL.
Everything in Egypt points to 10,900 BCE.
India is also very strangely reticent to acknowledge their early roots on the west shores, also under water.

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Old 10-03-21, 04:07 PM
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Originally Posted by zandoval View Post
Even more interesting the the genome data found in some of the remains of indigenous tribes living and otherwise. Especially the old tribes of Chile that are older and do not match the land bridge tribes...
I read that Polynesian DNA has been found in a lot of modern day South America. That muddies the water a little more.
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Old 10-04-21, 10:43 AM
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Originally Posted by SurferRosa View Post

Honey... Can I get this dam thing off the Food channel?

No matter where your at... There you are... Δf:=f(1/2)-f(-1/2)
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Old 10-04-21, 01:17 PM
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Originally Posted by Bob Ross View Post
Daniel C. Dennett wrote a wonderfully detailed and engaging book about that very subject, From Bacteria To Bach and Back: The Evolution Of Minds
I'll have to check this one out. Thanks!
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