Why do Amazonian people have some Australasian DNA?

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Stefan Milo I am a Native American from the Emberá Tribe in Colombia (which is known to have Polynesian descent too! Rapa Nui video reference)who lives in England and studies paleoanthropology, prehistory, archaeology, archaeogenetics and etc. I had this pondering on my mind for so long as I thought that the Aboriginal Oceanians moved into South America through the Nazca Ridge which at the time of the ice age would have had islands that the Aboriginal Oceanians could have gone over and interbred with many Andean and Amazonian Indigenous populations so this really cleared it all up for me Stefan so thank you very much, lots of love ❤✊🏽🪶

Many years ago I watched an interview in a Brazilian show (Programa do Jo) with an expert in parasites that had been analyzing human coprolites found in the Serra da Capivara (where Luzia was found). She was saying that the samples had a parasite that was originally from Australasia, and that, if that population had had to go through Beringia, that parasite life cycle would have been interrupted due to the temperatures, so that she was convinced that such population had to have arrived in the Americas through the Pacific.

Its amazing the variety on YT, from the biggest grifter junk to impeccable videos like this, seeing this stuff is so refreshing and uplifting in crazy times.

Hi Stefan! Brazilian fan here. Among native tribes during the process of colonization of Brazil, the native tupi-guarani tribes of the coastal regions would distinguish themselves from the Tapuia (meaning "barbarians" or "the others". Few of these tribes survive to this day, dislodged from their original regions. Also, there are the Sambaquis, huge artificial mounds of accumulated shells and boned constructed by unknown, ancient people, much older than the natives we know today. We might have extinguished those tribed that carried those ancient Y haplogroups. Still a lot to discover. Btw, if you ever come visit Lagoa Santa you can hit me up as a translator! Cheers!

As a Papuan Melanesian big thumbs up 👍 Great reporting.

I was born in Papua New Guinea, with Melanesian blood and grew up in Australia. These findings are very surprising to me.

I really enjoy this channel. I’m so incredibly fascinated by human evolution and the fact that we exist is incredible. I almost have a hard time coming to terms with the fact that we evolved to become what we are and the extraordinary circumstances that created that possibility. This channel shines a light on things in a way even I can understand. Never stop uploading.

Stefan is the sports commentator of new archeology and paleogentics research and I love it. This info is so interesting and is delivered with that style that makes me chuckle.

I'm about 2/3rds of the way though - I studied Linguistics at university. If you look at where certain languages are spoken you initially see a big confusing mess. Then, as you consider how this mess came about you come to realise that what you are looking at is the result of waves and waves of population migration, with each new incoming wave pushing the members of the previous population further towards the habitable fringes of the territories that they used to own or replacing them. In Europe and India you see this sort of thing in the isolation of the Basques in the Pyrenees, the pushing of the Celtic languages out to the fringes of the British Isles, the compressing of the Dravidian languages into Southern India, the historic replacement of a much richer language landscape by descendents of Proto-IndoEuropean etc. Just as language distribution betrays past population migrations so would I expect genetics to tell the same ancient story, preserving remnants of the earliest migrations at the edges of lands furthest away from the epicentre of each migratory wave. So I expect that what this Y signal in South America shows us is a trace of a very early wave of migration out of Africa, some of whom came past India and then turned right and went down into the Andaman islands and Australasia whilst other of their companions continued on up through China, across Beringia, into North America and on down into South America. In most of these places this signal has been supplanted by subsequent waves of immigration e.g. the Han Chinese, the indigenous North American, but out at the edges the original signal lives on because these areas preserve their original inhabitants and/or subsequent edge-peoples who have been pushed even further out than their original migration took them...

Hi Stefan, I love your discussions. I'm an Australian Indigenous Heritage from 3-4 different tribes, WakkaWakka and GurangGurang Queensland, bloodline from my father's side, and they say we have Indian blood from my Great Grandparents on dad's side. My mother's side they say is Irish, Scottish, European somewhere? There are +- 500 different identified Aboriginal tribal nations in Australia, each with their own language and territory and usually made up of a large number of separate clans. Archaeologists say that the Aboriginal people first came to the Australian continent around 45,000 - 60, 000 years ago. But, we have locations showing much older, possibly over 100,000 years. The old people would say that our ancestors have always been here across these ancient lands. Stefan, I would be curious, and happy to do a Heritage DNA test.

Thank you for bringing up the Havasupai scandal in AZ regarding the diabetes research.. I think that was ASU that did that transgression. wow Stefan I am in awe of the research you have done with respect to Indigenous people. In academia we spend years enlightening people to these issues and to hear you mention them with respect is music to my ears.

as a brazilian i get super thrilled whenever you mention my country in your videos stefan! Happy new year from Rio! Super fan!

Thanks for adding to my confusion. The human story is so much more complex (and interesting) than we thought just a few short years ago. A special thanks for including the links to the actual authors of the academic work. I'm enough of a geek that I actually read them. It is especially interesting to hear them speak to us directly. Great channel, and thanks for all your hard work. Keep confusing us!

Thank you so much Stefan for filming in 4K. Not only is it amazing content, but also looks fabulous on my telly. You really deserve your own TV series.

I just love your channel. I'm 63 and a Lifelong learner. Thankyou

As a population Y, I cant thank you enough for this Stefan! Hero as always

Brilliant, just got in from a very long day's work and can now relax to this before bed. Thanks Milo, always love your videos; my favourite YouTuber

Stefan, I am 23% Hopi and around 6% other "American Indian" from the New Mexico area. My mother's father was a Hopi, born on a reservation in NE NM. -- I have enjoyed your presentations for what seems like 5 years, but more probably 3 years. -- Lazoma Chavez, 1952

Thank you for the creation of this channel. I can say there isn’t another person doing what you are doing online and it’s greatly appreciated. I can’t thank you enough and keep it up. One of the more original YouTube channels in this whole sites catalog and I will forever be grateful for all the work you put into each video Stefan.