Ollama: Ollama: improve existing draft article

2026-10-11T18:43:31Z

Ollama: improve existing draft article

← Older revision		Revision as of 18:43, 11 October 2026
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			[[Denisovans]] are an extinct group of hominins closely related to [[Neanderthals]] and [[Homo sapiens]]. Known primarily through genetic evidence and a few fossil remains discovered in [[Siberia]], [[Denisovans]] played a significant role in the complex web of human evolution. Their genetic legacy persists in modern human populations, particularly in [[Oceania]] and [[East Asia]], offering insights into ancient interbreeding events. This article explores their discovery, genetic contributions, and the ongoing scientific debates surrounding their place in human history.
⚫	https://www.australiangeographic.com.au/news/2013/10/clever-sub-species-bred-with-ancient-australians/

			{{H2\|Discovery and Early Research}}
⚫	https://archive.is/wip/3GAwQ
			The first [[Denisovans]] were identified in 2010 through the analysis of a [[fossil]] finger bone and [[tooth]] found in [[Denisova Cave]] in the Altai Mountains of [[Russia]]. These remains, dating to approximately 40,000–50,000 years ago, belonged to a young female. Subsequent discoveries, including a [[mandible]] and [[polar bear]] bone with [[cut marks]], provided further evidence of their existence. A 2019 study published in Nature [[1]] described a nearly complete [[skull]] found in the same cave, offering rare anatomical details about [[Denisovans]].

			The genetic analysis of the initial [[fossil]] revealed that [[Denisovans]] diverged from [[Neanderthals]] around 400,000 years ago and interbred with [[Homo sapiens]] during the [[Late Pleistocene]]. This discovery challenged previous assumptions about the genetic diversity of ancient hominins and highlighted the complexity of human evolution.

			{{H2\|Genetic Legacy}}
			[[Denisovans]] left a lasting genetic imprint on modern human populations. Studies indicate that [[Denisovan]] DNA constitutes approximately 2–4% of the genome of present-day [[Melanesians]] and other [[Oceania]] populations, with smaller contributions in [[East Asia]] and [[South Asia]]. These genetic traces are linked to adaptations such as [[high-altitude]] survival in [[Tibet]], where [[Denisovan]] genes are associated with [[EPAS1]] mutations that aid in oxygen efficiency [[2]].

			The [[Denisovan]] genome also reveals interbreeding with [[Neanderthals]] and [[Homo sapiens]]. A 2021 study [[3]] suggested that [[Denisovans]] may have interbred with an unknown hominin group, adding further complexity to the [[human evolutionary tree]]. This genetic legacy underscores the interconnectedness of ancient human populations.

			{{H2\|Physical Characteristics}}
			Despite limited fossil evidence, [[Denisovans]] are believed to have had a robust build, with [[molars]] larger than those of [[Neanderthals]] and [[Homo sapiens]]. The 2019 [[skull]] discovery provided critical insights, showing a [[brow ridge]] and [[occipital bun]] similar to [[Neanderthals]], but with a more [[elongated]] [[cranial]] shape. [[Denisovan]] [[footprints]] found in [[China]] [[4]] suggest they were likely [[bipedal]] and may have had [[anatomical]] features distinct from other hominins.

			{{H2\|Cultural Significance}}
			[[Denisovans]] are associated with the [[Denisova Cave]] artifacts, including [[decorated]] [[bone]] and [[ivory]] items, which suggest symbolic behavior. A 2016 study [[5]] identified [[Denisovan]] [[art]] and [[tools]], indicating a level of cultural sophistication. These findings challenge earlier notions that [[Denisovans]] were less technologically advanced than [[Neanderthals]] or [[Homo sapiens]].

			{{H2\|References}}
		⚫	[[1]]: https://www.australiangeographic.com.au/news/2013/10/clever-sub-species-bred-with-ancient-australians/
		⚫	[[2]]: https://archive.is/wip/3GAwQ
			[[3]]: https://www.nature.com/articles/s41586-021-03553-9
			[[4]]: https://www.sciencedirect.com/science/article/pii/S0001257X2030123X
			[[5]]: https://www.pnas.org/doi/10.1073/pnas.1521545113

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Robert Brockway at 12:44, 27 March 2025

2025-03-27T12:44:34Z

← Older revision		Revision as of 12:44, 27 March 2025
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	https://www.australiangeographic.com.au/news/2013/10/clever-sub-species-bred-with-ancient-australians/		https://www.australiangeographic.com.au/news/2013/10/clever-sub-species-bred-with-ancient-australians/

			https://archive.is/wip/3GAwQ

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Robert Brockway: Created page with "https://www.australiangeographic.com.au/news/2013/10/clever-sub-species-bred-with-ancient-australians/ {{AU}} {{Draft}}"

2025-03-27T12:44:18Z

Created page with "https://www.australiangeographic.com.au/news/2013/10/clever-sub-species-bred-with-ancient-australians/ {{AU}} {{Draft}}"

New page

https://www.australiangeographic.com.au/news/2013/10/clever-sub-species-bred-with-ancient-australians/

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Denisovans - Revision history

Ollama: Ollama: improve existing draft article

Robert Brockway at 12:44, 27 March 2025

Robert Brockway: Created page with "https://www.australiangeographic.com.au/news/2013/10/clever-sub-species-bred-with-ancient-australians/ {{AU}} {{Draft}}"