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Topic: The future of the past (Read 1162 times)

The future of the past

History and prehistory is advancing at a rapid pace.

This thread is about what's new in history.


Re: The future of history

Reply #2
It's newer.

Also not limited to antiquity. If that is confusing we can make a What's going on in history and prehistory? consolidation thread linking to the different D&D history threads. I would kind of like a What's going on in the Bronze Age? thread.

Or earlier: 

 Not really random, but very topical to horsedom. 

Origin of domestic horses finally established



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This strategy paid off: although Eurasia was once populated by genetically distinct horse populations, a dramatic change had occurred between 2000 and 2200 BC. A genetic profile, previously confined to the Pontic steppes (North Caucasus)3, began to spread beyond its native region, replacing all the wild horse populations from the Atlantic to Mongolia within a few centuries.


This is quite fascinating because of the time and the place. The Kurgan hypothesis has been victorious the last couple decades, merging a Yamnaya culture (archeological findings), a language group (Indo-European), and genetic mapping into a fairly coherent picture. And domestication of horses (not yet horseriding, but wagons) has been the hypothesized driver that spread these Ukrainians (more or less) over wide parts of Eurasia.

And the place fits perfectly, but time not so much. 4200 ya is at least a millennium after the Proto-Indo-European speaking tribes started emigrating from Ukraine (or thereabout).

Now, all tame horses today can trace their roots back to these Caucasian horses, but they were not the first domesticated horses. The same team had earlier established that Botai horses, tamed more than 5500 ya, were not the ancestors of today's tame horses. But they were the ancestors of Przewalski's horses, previously assumed to be original wild horses, but that would be feral horses instead.

The research is EU funded by the slightly confusingly named Pegasus project (because of another Pegasus project)

Or earlier still: 

https://youtu.be/mfaRwyU1l9o


Re: The future of the past

Reply #4
The stories in the above podcast are:



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Everything is in eDNA, but a particular type of eDNA is called sedaDNA specifically from sediments, i.e dirt. Of course we know that it's not just bacteria and fungus and things like that that are roaming around on the landscape, there's animals and there's people. If you want to first detect when a human group came into an area and you're relying entirely on finding their skeletons or even their artifacts that can create a lot of ambiguity.

But what's now possible because of the breakthroughs that have happened this year is to actually get nuclear DNA from sediments of high enough quality that you can start asking questions about the actual evolutionary relationships of different populations of people. Or in the case of this paper by Benjamin Vernon the neanderthals that were in the study.

I remember feeling extremely excited about it, because i got a little sneak preview before the paper came out, and i kind of just sat in my chair for a second i just had a million things going through my head about what this could mean, because literally anywhere where you might be able to recover this you could ask the question of Who was here? and How long were they here? and Who were they interacting with? without ever having to destroy a single skeletal sample. As an archaeologist I'm also a little bit conflicted because we get rid of dirt, that's kind of what we do, we set through it, we wash artifacts to get the dirt off of them so that we can see them and analyze them, study them.

Must have been 2003, I was having a conversation with some other graduate students who were sitting at a site excavating and removing all this dirt and taking it down to wash. The standard way to do it and we were saying, “You know what if in the future we all look back on the excavation methods we're doing now, and we think we're being so careful. We're sitting here with chopsticks, you know, we're carefully peeling back the layers, but we're still getting rid of all this dirt. What if that's the important part and and the objects are that we think are important are actually not that important after all?” We had this kind of philosophical conversation about it, and I don't think that that's actually happened, I'm sure the objects are still very important, but we have to be a lot more careful when we think about sampling everything we excavate out.

So do you anticipate this will change your practices in the field, like are you gonna start saving dirt?

Possibly. I mean I already do, and I know a lot of people do, but it isn't a standard necessarily to do that. So this is a huge deal and now whole new worlds have opened up. There were three big studies on this in 2021,


Re: The future of the past

Reply #5
Expanding on
Humans in Bacho Kiro, Bulgaria 38-45 kya, ancestors to East Asians and Native Americans (14:00)

Some of Europe’s Oldest-Known Modern Humans Are Distantly Related to Native Americans

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While their age suggests these individuals were among the earliest modern humans to live in Europe, their DNA reveals that they have little relation to humans now known as European.

“Interestingly, these earliest Europeans that we find in the Bacho Kiro Cave did not contribute substantially to later West Eurasians,” says Mateja Hajdinjak, of the Francis Crick Institute (London), co-author of the study published this week in Nature. “These groups got largely replaced in Western Eurasia by subsequent migrations of people. But they are closely related to the human groups that gave rise to later East Eurasians and Americans—including present-day populations.”

“It’s just really cool that fossils of three individuals in Bulgaria left behind DNA, and can trace their descendants to different parts of the world than we’d expect, in ancient and living East Asians and Native peoples of the Americas,” adds Rick Potts, director of the Smithsonian’s Human Origins Program, who wasn’t involved in the genetic research.

The Eurasian population before the Last Glacial Maximum was pretty different from the mesolithic people after. Like in Beijing:

Mysterious East Asians vanished during the ice age. This group replaced them.

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In 2003, another research group found the remains of Tianyuan man, and to this day the individual's DNA is the earliest known ancient human genome from East Asia. Thanks to Tianyuan man and other archaeological findings, researchers know that modern humans lived in northern East Asia as early as 40,000 years ago. This region includes the Mongolian Plateau, northern China, Japan, the Korean Peninsula and the mountainous regions of the Russian Far East. Recent studies have shed light on the population dynamics of East Asia from about 9,000 years ago to recent historical times, but less is known about what happened from 40,000 to 9,000 years ago, Fu said.

To investigate, Fu and her colleagues compared the DNA of Tianyuan man with the ancient remains of people living in the Amur region, which includes Songnen Plain in northeastern China, between 33,000 and 3,400 years ago.


Re: The future of the past

Reply #6
How a Soviet swamp rat scheme for Azerbaijan went horribly wrong
Through the 1930s, Vereshchagin had personally supervised the introduction of an initial community of 213 giant South American rodents – known as coypu, nutria, swamp beavers, swamp rats or river rats – whose durable hides could be used to make fur hats and coat trims. Without realising, Vereshchagin and his team had proudly brought to the Caucasus an animal that would, by the 21st Century, be recognised as one of the world's 100 worst invasive species.
Ah, I remember those animals. They were called nutrias. When I was a child, they were especially promoted for human consumption instead of home-grown rabbits, so we acquired some and tried them out.

Long story short: Grow rabbits instead.

The coypu's journey to becoming an invasive pest began with Spanish colonists in the 18th Century. Conquistadors sailing the Rio de la Plata, the river that divides Argentina and Uruguay, mistook it for otter and gave it the name "nutria", the Spanish word for "otter". The name "coypu" comes from the indigenous Mapuche word used in Chile and eastern Argentina. Under the Spanish, coypu hides began to be exported to Europe, mainly for hats and neck-warmers, and by the late 19th and early 20th centuries, live coypu were shipped to breed in fur farms in Europe and North America. The rodents readily adapted to domestication.

[T]hey are eaten by red fox and grey wolf in Italy, by golden jackals across the Balkans, and by a white-tailed eagle in Croatia. Humans have sometimes followed – in the 1960s coypu meat was reportedly sold in British restaurants disguised as "Argentine hare" and a Moscow burger restaurant has sold it in the past decade as a healthy meat (it is leaner than beef).

Edit: Wikipedia page provides more interesting information.
In 1997 and 1998, Louisiana attempted to encourage the public to consume nutria meat. Nutria meat is leaner with a lower fat content and lower in cholesterol compared to ground beef.[57] In an effort to encourage Louisianians to eat nutria, several recipes were distributed to locals and published on the internet.[58] People in poor and rural Louisiana have trapped and consumed nutria meat for decades.
So USA was like half a century behind in promoting invasive rats for human consumption.

 

Re: The future of the past

Reply #7
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An experiment led by Bertolino in central Italy showed that coypu posed an extra risk to birds by crushing eggs when they clumsily sit down for a rest in nests.

Re: The future of the past

Reply #8
Long story short: Grow rabbits instead

The problem with rabbit meat, apart from the hind legs, is all the annoying little bones. I assume guinea pig is even worse, and that coypus are like large guinea pigs.