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The Denisovans are something like a sister group to Neanderthals. They may have been quite widespread in Asia, but we know almost nothing about them beyond their DNA.

Svante Pääbo

TED Talk on ancient hominins, 2018 · Checked on 3 March 2026
The Denisovans are something like a sister group to Neanderthals. They may have been quite widespread in Asia, but we know almost nothing about them beyond their DNA.

Analysis

Pääbo correctly identifies Denisovans as a sister group to Neanderthals, supported by genetic studies (e.g., *Nature*, 2010; *Science*, 2012). While their DNA was the primary evidence in 2018, later findings—such as a 2019 jawbone fragment in Tibet (*Nature*, 2019) and protein analysis of other fossils—have since expanded physical knowledge, though details remain sparse. His statement reflects the scientific consensus *at the time* but underplays later incremental progress. The claim about their potential Asian distribution remains plausible but unproven for many regions.

Background

Denisovans were first identified in 2010 from a finger bone in Denisova Cave, Siberia, via DNA analysis led by Pääbo’s team. They are known to have interbred with both Neanderthals and modern humans, with genetic traces found in contemporary Asian and Melanesian populations. As of 2018, physical fossils were extremely rare, though later discoveries (e.g., in Tibet and Laos) have slightly broadened the record.

Verdict summary

Svante Pääbo’s claim about Denisovans being a sister group to Neanderthals and their limited known physical traits is accurate, but 'almost nothing' beyond DNA overstates the lack of subsequent discoveries by 2023.

Sources consulted

— Reich, D. et al. (2010). *Genetic history of an archaic hominin group from Denisova Cave in Siberia*. *Nature*, 468(7327), 1053–1060. DOI: [10.1038/nature09710](https://doi.org/10.1038/nature09710)
— Meyer, M. et al. (2012). *A High-Coverage Genome Sequence from an Archaic Denisovan Individual*. *Science*, 338(6104), 222–226. DOI: [10.1126/science.1224344](https://doi.org/10.1126/science.1224344)
— Chen, F. et al. (2019). *A late Middle Pleistocene Denisovan mandible from the Tibetan Plateau*. *Nature*, 569(7756), 409–412. DOI: [10.1038/s41586-019-1139-x](https://doi.org/10.1038/s41586-019-1139-x)
— Slon, V. et al. (2018). *The genome of the offspring of a Neanderthal mother and a Denisovan father*. *Nature*, 561(7721), 113–116. DOI: [10.1038/s41586-018-0455-x](https://doi.org/10.1038/s41586-018-0455-x)
— TED Talk: Svante Pääbo (2018). *DNA clues to our inner neanderthal*. [TED](https://www.ted.com/talks/svante_paabo_dna_clues_to_our_inner_neanderthal) (Timestamp: ~12:30–13:00)