1. Krause, J. et al. The complete mitochondrial DNA genome of an unknown hominin from southern Siberia. Nature 464, 894–897 (2010).

2. Reich, D. et al. Genetic history of an archaic hominin group from Denisova Cave in Siberia. Nature 468, 1053–1060 (2010).

3. Derevianko, A. P. et al. Paleoenvironment and Paleolithic Human Occupation of Gorny Altai: Subsistence and Adaptation in the Vicinity of Denisova Cave (Institute of Archaeology and Ethnography, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 2003).

4. Bolikhovskaya, N. S. & Shunkov, M. V. Pleistocene environments of northwestern Altai: vegetation and climate. Archaeol. Ethnol. Anthropol. Eurasia 42, 2–17 (2014).

5. Agadjanian, A. K. & Shunkov, M. V. Evolution of the Quaternary environment in the northwestern Altai. Archaeol. Ethnol. Anthropol. Eurasia 37, 2–18 (2009).

6. Bolikhovskaya, N. S., Kozlikin, M. B., Shunkov, M. V., Uliyanov, V. A. & Faustov, S. S. New palynological data from the unique Paleolithic site of Denisova Cave in northwest Altai. Bull. Moscow Soc. Natural. Biol. Series 122, 46–60 (2017).

7. Vasiliev, S. K., Shunkov, M. V. & Kozlikin, M. B. in Problems of Archaeology, Ethnography and Anthropology of Siberia and Neighbouring Territories Vol. 23 (eds Derevianko, A. P. et al.) 60–64 (Institute of Archaeology and Ethnography, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 2017).

8. Turner, C. G. II. in Chronostratigraphy of the Paleolithic in North Central, East Asia and America (ed. Derevianko, A. P.) 239–243 (Institute of History, Philology and Philosophy, Siberian Branch of the USSR Academy of Sciences, Novosibirsk, 1990).

9. Shpakova, E. G. & Derevianko, A. P. The interpretation of odontological features of Pleistocene human remains from the Altai. Archaeol. Ethnol. Anthropol. Eurasia 1, 125–138 (2000).

10. Mednikova, M. B. A proximal pedal phalanx of a Paleolithic hominin from Denisova Cave, Altai. Archaeol. Ethnol. Anthropol. Eurasia 39, 129–138 (2011).

11. Meyer, M. et al. A high-coverage genome sequence from an archaic Denisovan individual. Science 338, 222–226 (2012).

12. Sawyer, S. et al. Nuclear and mitochondrial DNA sequences from two Denisovan individuals. Proc. Natl Acad. Sci. USA 112, 15696–15700 (2015).

13. Slon, V. et al. A fourth Denisovan individual. Sci. Adv. 3, e1700186 (2017).

14. Prüfer, K. et al. The complete genome sequence of a Neanderthal from the Altai Mountains. Nature 505, 43–49 (2014).

15. Brown, S. et al. Identification of a new hominin bone from Denisova Cave, Siberia using collagen fingerprinting and mitochondrial DNA analysis. Sci. Rep. 6, 23559 (2016).

16. Slon, V. et al. The genome of the offspring of a Neanderthal mother and a Denisovan father. Nature 561, 113–116 (2018).

17. Slon, V. et al. Neandertal and Denisovan DNA from Pleistocene sediments. Science 356, 605–608 (2017).

18. Vlasov, V. K. & Kulikov, O. A. Radiothermoluminescence dating and applications to Pleistocene sediments. Phys. Chem. Miner. 16, 551–558 (1989).

19. Derevianko, A. P., Laukhin, S. A., Kulikov, O. A., Gnibidenko, Z. N. & Shunkov, M. V. First Middle Pleistocene age determinations of the Paleolithic in the Altai Mountains. Dokl. Akad. Nauk 326, 497–501 (1992).

20. Huntley, D. J. Letters: Vlasov & Kulikov’s method. Anc. TL 10, 57–58 (1992).

21. Derevianko, A. P., Gnibidenko, Z. N. & Shunkov, M. V. Middle Pleistocene excursions of the geomagnetic field in the strata of Denisova Cave. Dokl. Akad. Nauk 360, 511–513 (1998).

22. Roberts, A. P. Geomagnetic excursions: knowns and unknowns. Geophys. Res. Lett. 35, L17307 (2008).

23. Laj, C. & Channell, J. E. T. in Treatise on Geophysics (Volume 5: Geomagnetism) 2nd edn (ed. Schubert, G.) 343–383 (Elsevier, Amsterdam, 2015).

24. Prüfer, K. et al. A high-coverage Neandertal genome from Vindija Cave in Croatia. Science 358, 655–658 (2017).

25. Huntley, D. J., Godfrey-Smith, D. I. & Thewalt, M. L. W. Optical dating of sediments. Nature 313, 105–107 (1985).

26. Hütt, G., Jaek, I. & Tchonka, J. Optical dating: K-feldspars optical response stimulation spectra. Quat. Sci. Rev. 7, 381–385 (1988).

27. Roberts, R. G. et al. Optical dating in archaeology: thirty years in retrospect and grand challenges for the future. J. Archaeol. Sci. 56, 41–60 (2015).

28. Athanassas, C. D. & Wagner, G. A. Geochronology beyond radiocarbon: optically stimulated luminescence dating of palaeoenvironments and archaeological sites. Elements 12, 27–32 (2016).

29. Shunkov, M. V. et al. The phosphates of Pleistocene–Holocene sediments of the Eastern Gallery of Denisova Cave. Dokl. Earth Sci. 478, 46–50 (2018).

30. Rhodes, E. J. Dating sediments using potassium feldspar single-grain IRSL: initial methodological considerations. Quat. Int. 362, 14–22 (2015).

31. Smedley, R. K., Duller, G. A. T. & Roberts, H. M. Bleaching of the post-IR IRSL signal from individual grains of K-feldspar: implications for single-grain dating. Radiat. Meas. 79, 33–42 (2015).

32. Prokopenko, A. A., Hinnov, L. A., Williams, D. F. & Kuzmin, M. I. Orbital forcing of continental climate during the Pleistocene: a complete astronomically tuned climatic record from Lake Baikal, SE Siberia. Quat. Sci. Rev. 25, 3431–3457 (2006).

33. Grygar, T. et al. Lake Baikal climatic record between 310 and 50 ky bp: interplay between diatoms, watershed weathering and orbital forcing. Palaeogeogr. Palaeoclimatol. Palaeoecol. 250, 50–67 (2007).

34. Melles, M. et al. Sedimentary geochemisty of core PG1351 from Lake El’gygytgyn—a sensitive record of climate variability in the East Siberian Arctic during the past three glacial–interglacial cycles. J. Paleolimnol. 37, 89–104 (2007).

35. Frank, U. et al. A 350 ka record of climate change from Lake El’gygytgyn, Far East Russian Arctic: refining the pattern of climate modes by means of cluster analysis. Clim. Past 9, 1559–1569 (2013).

36. Liu, W. et al. The earliest unequivocally modern humans in southern China. Nature 526, 696–699 (2015).

37. Westaway, K. E. et al. An early modern human presence in Sumatra 73,000–63,000 years ago. Nature 548, 322–325 (2017).

38. Hershkovitz, I. et al. The earliest modern humans outside Africa. Science 359, 456–459 (2018).

39. Groucutt, H. S. et al. Homo sapiens in Arabia by 85,000 years ago. Nat. Ecol. Evol. 2, 800–809 (2018).

40. Lisiecki, L. E. & Raymo, M. E. A Pliocene–Pleistocene stack of 57 globally distributed benthic δ18O records. Paleoceanography 20, PA1003 (2005).

41. Jacobs, Z. & Roberts, R. G. Advances in optically stimulated luminescence dating of individual grains of quartz from archeological deposits. Evol. Anthropol. 16, 210–223 (2007).

42. Wood, R. et al. Towards an accurate and precise chronology for the colonization of Australia: the example of Riwi, Kimberley, Western Australia. PLoS ONE 11, e0160123 (2016).

43. Clarkson, C. et al. Human occupation of northern Australia by 65,000 years ago. Nature 547, 306–310 (2017).

44. Blegen, N. et al. Distal tephras of the eastern Lake Victoria basin, equatorial East Africa: correlations, chronology and a context for early modern humans. Quat. Sci. Rev. 122, 89–111 (2015).

45. Li, B., Jacobs, Z., Roberts, R. G., Galbraith, R. & Peng, J. Variability in quartz OSL signals caused by measurement uncertainties: problems and solutions. Quat. Geochronol. 41, 11–25 (2017).

46. Li, B., Jacobs, Z., Roberts, R. G. & Li, S.-H. Single-grain dating of potassium-rich feldspar grains: towards a global standardised growth curve for the post-IR IRSL signal. Quat. Geochronol. 45, 23–36 (2018).

47. Li, B., Jacobs, Z. & Roberts, R. G. An improved multiple-aliquot regenerative-dose (MAR) procedure for post-IR IRSL dating of K-feldspar. Anc. TL 35, 1–10 (2017).

48. Bøtter-Jensen, L. & Mejdahl, V. Assessment of beta dose-rate using a GM multicounter system. Nucl. Tracks Radiat. Meas. 14, 187–191 (1988).

49. Prescott, J. R. & Hutton, J. T. Cosmic ray contributions to dose rates for luminescence and ESR dating: large depths and long-term time variations. Radiat. Meas. 23, 497–500 (1994).

50. Bronk Ramsey, C. Bayesian analysis of radiocarbon dates. Radiocarbon 51, 337–360 (2009).