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Episode 8.2b · 22 min

Did Fire and Stories Make Us Human?

How did an ape become a human being who could shape tools, control fire, teach, talk, share power and make symbols? This episode follows that transformation across several kinds of human, from early hands and hunting to long childhoods, family ties, storytelling and ritual, while keeping the biggest questions open. It ends in Africa about 60,000 years ago, just before Homo sapiens entered a world already inhabited by other humans.

Watch this film on YouTube ↗

Visual credits

75 sources

Sources and credits for imagery used in this film, including material incorporated into explanatory animations.

  • La structure de la grotte de Bruniquel

    Luc-Henri Fage/SSAC

    View original source ↗Source licence: CC BY-SA 4.0

    Framed for the film.

  • Jebel Irhoud composite skull reconstruction

    Philipp Gunz, MPI EVA Leipzig

    View original source ↗Source licence: CC BY-SA 2.0

    Framed for the film.

  • Jebel Irhoud skull and blue endocast

    Philipp Gunz, MPI EVA Leipzig

    View original source ↗Source licence: CC BY-SA 2.0

    Cropped to the skull-and-endocast panel.

  • Blombos shell beads

    Chenshilwood

    View original source ↗Source licence: CC BY 2.5

    The complete bead figure was padded with black to 16:9.

  • Engraved ostrich eggshell, Iziko

    Nkansah Rexford

    View original source ↗Source licence: CC BY-SA 3.0

    Framed for the film.

  • Sima del Elefante

    Thilo Parg

    View original source ↗Source licence: CC BY-SA 4.0

    Framed for the film.

  • Homo erectus shell inscription

    Archaeology Leiden; Stephen Munro

    View original source ↗Source licence: CC BY-SA 2.0

    Framed for the film.

  • Trinil shell with geometric incisions

    Henk Caspers / Naturalis Biodiversity Center

    View original source ↗Source licence: CC BY-SA 3.0

    Previously extracted from another image; cropped separately to the whole shell and incision detail.

  • Homo naledi LES1 cranium

    John Hawks, Marina Elliott, Peter Schmid et al.

    View original source ↗Source licence: CC BY 4.0

    Cropped from the imported cranium image.

  • Bruniquel Cave stalagmite ring, Structure A

    É. Fabre, SSAC; Jacques Jaubert et al.

    View original source ↗

    Extended Data Figure 2a extracted and cropped.

    Jaubert J. et al. 2016, Nature 534: 111–114, Extended Data Fig. 2a; photo courtesy É. Fabre, SSAC. © 2016 Macmillan Publishers Limited. All rights reserved.

  • Dikika child and juvenile chimpanzee virtual endocasts

    Philipp Gunz, Simon Neubauer et al.

    View original source ↗Source licence: CC BY-NC 4.0

    Figure 3A–C excerpted for the film.

    Gunz P. et al. 2020, Science Advances 6: eaaz4729. Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science.

  • Sima de los Huesos, Cranium 17

    Nohemi Sala et al.

    View original source ↗Source licence: CC BY 4.0

    Figure 2 cropped to the frontal cranium and fracture details.

    Sala N. et al. 2015, PLOS ONE 10(5): e0126589, Fig. 2.

  • Biface, commonly referred to as a hand ax

    The Metropolitan Museum of Art

    View original source ↗Source licence: CC0 1.0

    Framed for the film.

    The Metropolitan Museum of Art, Gift of C. T. Currelly, 1906.

  • Homo heidelbergensis skull and mandible, Atapuerca

    Jl FilpoC

    View original source ↗Source licence: CC BY-SA 4.0

    Framed for the film.

  • Olorgesailie

    Jeffmugendi

    View original source ↗Source licence: CC BY-SA 4.0

    Framed for the film.

  • Dinaledi Subsystem and chamber map

    Lee R. Berger et al.

    View original source ↗Source licence: CC BY 4.0

    Figure 2 excerpted for the film.

    Berger et al., eLife 12: RP89106, version of record, Fig. 2. Copyright © 2023, Berger et al.

  • Olorgesailie obsidian points, core and pigment

    Human Origins Program, Smithsonian Institution

    View original source ↗Source licence: Smithsonian Terms of Use: usage conditions apply

    Cropped to the obsidian points.

    © Smithsonian Institution, Human Origins Program. Personal, educational and non-commercial use; commercial use requires permission.

  • Olorgesailie manganese and ochre pigments

    Human Origins Program, Smithsonian Institution

    View original source ↗Source licence: Smithsonian Terms of Use: usage conditions apply

    Framed for the film.

    © Smithsonian Institution, Human Origins Program. Personal, educational and non-commercial use; commercial use requires permission.

  • Replica of the Dikika child's skull, National Museum of Ethiopia

    Adam Jones

    View original source ↗Source licence: CC BY-SA 2.0

    Framed for the film.

  • Neanderthal hyoid, Kebara

    Thilo Parg

    View original source ↗Source licence: CC BY-SA 4.0

    Framed for the film.

  • Panga ya Saidi archaeological site

    Ceri Shipton

    View original source ↗Source licence: CC BY-SA 4.0

    Framed for the film.

  • Ardipithecus ramidus skull cast, MGL 96730

    Rama

    View original source ↗Source licence: CC BY-SA 3.0 FR

    Framed for the film; also cropped to the teeth.

  • Taï chimpanzee cracking nuts with a stone hammer

    Liran Samuni / Taï Chimpanzee Project; figure by Tomos Proffitt, Jonathan S. Reeves, Soiret Serge Pacome and Lydia V. Luncz

    View original source ↗Source licence: CC BY 4.0

    Figure 1a extracted and cropped.

    Proffitt, Reeves, Pacome & Luncz 2022, Royal Society Open Science 9:220826, Fig. 1a. Photo credit: Liran Samuni, Taï Chimpanzee Project.

  • Nick flintknapping

    Kufundisha

    View original source ↗Source licence: CC BY-SA 4.0

    Cropped to the knapper's hands and stones.

  • Wonderwerk burnt bone fragments

    M. D. Marin-Monfort et al.

    View original source ↗Source licence: CC BY 4.0

    Figure 5 excerpted and cropped.

    Marin-Monfort M.D. et al. 2026, PLOS ONE 21(6): e0347480, Fig. 5.

  • Lomekwi 3 stone core LOM3-2012-H18-1

    Sonia Harmand et al.

    View original source ↗

    Figure 4b region extracted and cropped.

    Harmand S. et al. 2015, Nature 521: 310–315, Fig. 4b. © Macmillan Publishers. All rights reserved.

  • Kaitio third metacarpal KNM-WT 51260

    Carol V. Ward, Matthew W. Tocheri, J. Michael Plavcan, Francis H. Brown and Fredrick Kyalo Manthi

    View original source ↗

    Figure 1, panel B extracted and cropped.

    Ward C.V., Tocheri M.W., Plavcan J.M., Brown F.H. & Manthi F.K. 2014, PNAS 111(1): 121–124, Fig. 1. © PNAS. All rights reserved.

  • Namib persistence-hunting pursuit map

    Martin Hora, R. Dattatreya, M. Struska, Herman Pontzer and Vladimír Sládek

    View original source ↗

    Figure 1, panel A extracted and cropped.

    Hora M., Dattatreya R., Struska M., Pontzer H. & Sládek V. 2025, Journal of Human Evolution 209: 103773, Fig. 1. © 2025 Elsevier Ltd. All rights are reserved, including those for text and data mining, AI training, and similar technologies.

  • Firelight flicker, Figure 2a–b

    Catherine Hobaiter and Nathaniel J. Dominy

    View original source ↗Source licence: CC BY 4.0

    Figure 2 cropped to panels a–b.

    Hobaiter C. & Dominy N.J. 2026, Proceedings of the Royal Society B 293: 20260602, Fig. 2. © 2026 The Authors.

  • Bruniquel Cave entrance photographs

    K. Génuite et al.; photographs K. Génuite and E. Fabre; hillshade S. Jaillet

    View original source ↗Source licence: CC BY 4.0

    Figure 2 top-row photographs excerpted; the old-entrance view cropped.

    Génuite K. et al. 2026, Quaternary Science Reviews 377: 109866, Fig. 2. Source figure credits: photos K. Génuite (A–C), E. Fabre (D–F); hillshade map courtesy S. Jaillet.

  • Jebel Irhoud-1 NMNH

    Jonathan Chen

    View original source ↗Source licence: CC BY-SA 4.0

    Framed for the film.

  • Wonderwerk burnt bone detail

    M. D. Marin-Monfort et al.

    View original source ↗Source licence: CC BY 4.0

    Cropped from Figure 5.

    Marin-Monfort M.D. et al. 2026, PLOS ONE 21(6): e0347480, Fig. 5.

  • Lomekwi 3 stone core detail

    Sonia Harmand et al.

    View original source ↗

    Cropped from Figure 4b.

    Harmand S. et al. 2015, Nature 521: 310–315, Fig. 4b, core LOM3-2012-H18-1. © Macmillan Publishers. All rights reserved.

  • Kaitio third metacarpal detail

    Carol V. Ward, Matthew W. Tocheri, J. Michael Plavcan, Francis H. Brown and Fredrick Kyalo Manthi

    View original source ↗

    Cropped from Figure 1, panel B.

    Ward C.V., Tocheri M.W., Plavcan J.M., Brown F.H. & Manthi F.K. 2014, PNAS 111(1): 121–124, Fig. 1. © PNAS. All rights reserved.

  • Namib pursuit-map detail

    Martin Hora, R. Dattatreya, M. Struska, Herman Pontzer and Vladimír Sládek

    View original source ↗

    Cropped from Figure 1, panel A.

    Hora M., Dattatreya R., Struska M., Pontzer H. & Sládek V. 2025, Journal of Human Evolution 209: 103773, Fig. 1. © 2025 Elsevier Ltd. All rights are reserved, including those for text and data mining, AI training, and similar technologies.

  • Firelight flicker, panels a–b

    Catherine Hobaiter and Nathaniel J. Dominy

    View original source ↗Source licence: CC BY 4.0

    Cropped from Figure 2.

    Hobaiter C. & Dominy N.J. 2026, Proceedingsings of the Royal Society B 293: 20260602, Fig. 2. © 2026 The Authors.

  • Bruniquel Cave old entrance

    K. Génuite; source figure by K. Génuite et al.

    View original source ↗Source licence: CC BY 4.0

    Cropped from the top row of Figure 2.

    Génuite K. et al. 2026, Quaternary Science Reviews 377: 109866, Fig. 2. Source figure credits: photos K. Génuite (A–C), E. Fabre (D–F); hillshade map courtesy S. Jaillet.

  • Cranium 17, frontal view

    Nohemi Sala et al.

    View original source ↗Source licence: CC BY 4.0

    Frontal panel cropped from Figure 2.

    Sala N. et al. 2015, PLOS ONE 10(5): e0126589, Fig. 2.

  • Cranium 17 fracture detail

    Nohemi Sala et al.

    View original source ↗Source licence: CC BY 4.0

    Fracture detail cropped from Figure 2.

    Sala N. et al. 2015, PLOS ONE 10(5): e0126589, Fig. 2.

  • Taï chimpanzee nut-cracking with infant

    Liran Samuni / Taï Chimpanzee Project; figure by Tomos Proffitt, Jonathan S. Reeves, Soiret Serge Pacome and Lydia V. Luncz

    View original source ↗Source licence: CC BY 4.0

    Cropped from Figure 1a.

    Proffitt, Reeves, Pacome & Luncz 2022, Royal Society Open Science 9:220826, Fig. 1a. Photo credit: Liran Samuni, Taï Chimpanzee Project.

  • Nick flintknapping, hands and stones

    Kufundisha

    View original source ↗Source licence: CC BY-SA 4.0

    Cropped from Nick flintknapping.

  • Olorgesailie obsidian points

    Human Origins Program, Smithsonian Institution

    View original source ↗Source licence: Smithsonian Terms of Use: usage conditions apply

    Cropped from the Smithsonian image.

    © Smithsonian Institution, Human Origins Program. Personal, educational and non-commercial use; commercial use requires permission.

  • Trinil engraved shell

    Henk Caspers / Naturalis Biodiversity Center

    View original source ↗Source licence: CC BY-SA 3.0

    Whole-shell panel cropped, itself extracted from another image.

  • Trinil shell zigzag detail

    Henk Caspers / Naturalis Biodiversity Center

    View original source ↗Source licence: CC BY-SA 3.0

    Incision detail cropped, itself extracted from another image.

  • Bruniquel stalagmite ring walls

    É. Fabre, SSAC; Jacques Jaubert et al.

    View original source ↗

    Cropped from Extended Data Figure 2a.

    Jaubert J. et al. 2016, Nature 534: 111–114, Extended Data Fig. 2a; photo courtesy É. Fabre, SSAC. © 2016 Macmillan Publishers Limited. All rights reserved.

  • Jebel Irhoud skull with blue endocast

    Philipp Gunz, MPI EVA Leipzig

    View original source ↗Source licence: CC BY-SA 2.0

    Cropped from the two-view composite reconstruction.

  • Ardipithecus ramidus skull cast, teeth detail

    Rama

    View original source ↗Source licence: CC BY-SA 3.0 FR

    Cropped to the teeth.

  • Kabwe 1 – Skull

    Unità di Antropologia – Dip. di Biologia, Unipi

    View original source ↗Source licence: CC BY 4.0

    Model rendered as a turntable and excerpted for the film.

  • Chimpanzee alarm calls: supplementary video

    A. Schel, S. Townsend, Z. Machanda, K. Zuberbuhler and K. Slocombe

    View original source ↗Source licence: CC BY 2.5

    Excerpted for the film.

    Schel et al., Chimpanzee Alarm Call Production Meets Key Criteria for Intentionality, PLOS ONE, doi:10.1371/journal.pone.0076674, Video S2, supplementary file s003.

  • Social transmission of tool use in wild chimpanzees, Movie S2

    C. Hobaiter, T. Poisot, K. Zuberbuhler, W. Hoppitt and T. Gruber

    View original source ↗Source licence: CC BY 4.0

    Excerpted for the film.

    Hobaiter et al. 2014, Social Network Analysis Shows Direct Evidence for Social Transmission of Tool Use in Wild Chimpanzees, PLOS Biology, doi:10.1371/journal.pbio.1001960, Movie S2, file s013.

  • Social transmission of tool use in wild chimpanzees, Movie S4

    C. Hobaiter, T. Poisot, K. Zuberbuhler, W. Hoppitt and T. Gruber

    View original source ↗Source licence: CC BY 4.0

    Excerpted for the film.

    Hobaiter et al. 2014, Social Network Analysis Shows Direct Evidence for Social Transmission of Tool Use in Wild Chimpanzees, PLOS Biology, doi:10.1371/journal.pbio.1001960, Movie S4, file s015.

  • Wild Taï chimpanzee cracking nuts with a stone hammer

    Max Planck Institute for Evolutionary Anthropology; Taï Chimpanzee Project / Christophe Boesch

    View original source ↗

    Excerpted for the film.

  • Mineral acquisition from clay by Budongo chimpanzees, S2 Video

    V. Reynolds, A. Lloyd, C. English, P. Lyons, H. Dodd, C. Hobaiter, N. Newton-Fisher, C. Mullins, N. Lamon, A. Schel and B. Fallon

    View original source ↗Source licence: CC BY 4.0

    Excerpted for the film.

    Reynolds et al. 2015, Mineral Acquisition from Clay by Budongo Forest Chimpanzees, PLOS ONE, doi:10.1371/journal.pone.0134075, S2 Video.

  • El Hombre de La Chapelle-Aux-Saints

    Pacob

    View original source ↗Source licence: CC BY 4.0

    Model rendered as a turntable and excerpted for the film.

  • Ape cooperative turn-taking: supplementary video

    M. Fröhlich, P. Kuchenbuch, G. Müller, B. Fruth, T. Furuichi, R. Wittig and S. Pika

    View original source ↗Source licence: CC BY 4.0

    Excerpted for the film.

    Fröhlich et al. 2016, Unpeeling the layers of language: Bonobos and chimpanzees engage in cooperative turn-taking sequences, Scientific Reports, doi:10.1038/srep25887, supplementary file s4.

  • Handaxe EFHR-LO-17

    MicroPasts

    View original source ↗Source licence: CC BY 4.0

    Model rendered as a turntable and excerpted for the film.

  • Chimpanzee accumulative stone throwing

    H. Kühl, A. Kalan, M. Arandjelovic, F. Aubert, L. D’Auvergne, A. Goedmakers, S. Jones, L. Kehoe, S. Regnaut, A. Tickle, E. Ton, J. van Schijndel, E. Abwe, S. Angedakin, A. Agbor, E. Ayimisin, E. Bailey, M. Bessone, M. Bonnet, G. Brazolla, V. Buh, R. Chancellor, C. Cipoletta, H. Cohen, K. Corogenes, C. Coupland, B. Curran, T. Deschner, K. Dierks, P. Dieguez, E. Dilambaka, O. Diotoh, D. Dowd, A. Dunn, H. Eshuis, R. Fernandez, Y. Ginath, J. Hart, D. Hedwig, M. Ter Heegde, T. Hicks, I. Imong, K. Jeffery, J. Junker, P. Kadam, M. Kambi, I. Kienast, D. Kujirakwinja, K. Langergraber, V. Lapeyre, J. Lapuente, K. Lee, V. Leinert, A. Meier, G. Maretti, S. Marrocoli, T. Mbi, V. Mihindou, Y. Moebius, D. Morgan, B. Morgan, F. Mulindahabi, M. Murai, P. Niyigabae, E. Normand, L. Ntare, L. Ormsby, A. Piel, J. Pruetz, A. Rundus, C. Sanz, V. Sommer, F. Stewart, N. Tagg, H. Vanleeuwe, V. Vergnes, J. Willie, R. Wittig, K. Zuberbuehler and C. Boesch

    View original source ↗Source licence: CC BY 4.0

    Excerpted for the film.

    Kühl H. et al. 2016, Chimpanzee accumulative stone throwing, Scientific Reports 6:22219, Supplementary Movie 2. Footage: MPI-EVA PanAf / Chimbo Foundation. Via Wikimedia Commons.

  • Dmanisi youngster's teeth and growth lines

    Paul Tafforeau and Vincent Beyrand, ESRF

    View original source ↗

    Excerpted for the film.

    Video: Paul Tafforeau and Vincent Beyrand, ESRF; published by the University of Zurich, 2024.

  • Bruniquel structure dimensions, counts and layout

    Jacques Jaubert et al.

    View original source ↗

    Measurements from Figure 1 and Extended Data Figure 2f used in an original schematic animation: simplified ring outlines, approximate layout and newly positioned individual pieces.

    Jaubert J. et al. 2016, Nature 534: 111–114.

  • Observed and predicted human feeding time

    Chris Organ, Charles L. Nunn, Zarin Machanda and Richard W. Wrangham

    View original source ↗

    Published values of 4.7% observed and 48% predicted daily activity replotted in an original chart.

    Organ et al. 2011, Phylogenetic rate shifts in feeding time during the evolution of Homo, PNAS 108(35): 14555–14559.

  • Hadza sentinel sleep actigraphy data

    D. R. Samson, A. N. Crittenden, I. A. Mabulla, A. Z. P. Mabulla and C. L. Nunn

    View original source ↗Source licence: CC0 1.0

    Actigraphy data processed into twenty night strips and the eighteen minutes when all monitored participants were scored asleep.

  • Daytime and firelight conversation topics

    Polly W. Wiessner

    View original source ↗

    Figure 1 topic percentages transcribed and replotted as original bars.

    Wiessner 2014, Embers of society: Firelight talk among the Ju/’hoansi Bushmen, PNAS 111(39): 14027–14035.

  • Natural Earth 1:50m land polygons

    Natural Earth

    View original source ↗Source licence: Public domain

    Land polygons projected, framed and styled for the map animation.

    Made with Natural Earth. Free vector and raster map data @ naturalearthdata.com.

  • Olorgesailie obsidian-source coordinates, Table S9

    Alison S. Brooks, John E. Yellen, Richard Potts, Anna K. Behrensmeyer, Alan L. Deino, David E. Leslie, Stanley H. Ambrose, Jeffrey R. Ferguson, Francesco d’Errico, Andrew M. Zipkin, Scott Whittaker, Jeffrey Post, Elizabeth G. Veatch, Kimberly Foecke and Jennifer B. Clark

    View original source ↗

    The Mundui Main/roadcut coordinates were used to position a source dot and its connecting line on an original map.

    Brooks et al. 2018, Long-distance stone transport and pigment use in the earliest Middle Stone Age, supplementary Table S9.

  • GEBCO 2026 Grid

    GEBCO Bathymetric Compilation Group 2026

    View original source ↗Source licence: Public domain; GEBCO Grid terms of use

    Regional grid subset smoothed and used for faint relief and rift-scarp lines.

    GEBCO Bathymetric Compilation Group 2026 (2026). The GEBCO_2026 Grid - a continuous terrain model for oceans and land at 15 arc-second intervals. doi:10.5285/4f68d5c7-45eb-f999-e063-7086abc036fa. The GEBCO Grid should NOT be used for navigation or for any other purpose involving safety at sea. The GEBCO Grid is made available 'as is'. While every effort has been made to ensure reliability within the limits of present knowledge, the accuracy and completeness of The GEBCO Grid cannot be guaranteed. No responsibility can be accepted by GEBCO, IHO, IOC, or those involved in its creation or publication for any consequential loss, injury or damage arising from its use or for determining the fitness of The GEBCO Grid for any particular use. The GEBCO Grid is based on bathymetric data from many different sources of varying quality and coverage. As The GEBCO Grid is an information product created by interpolation of measured data, the resolution of The GEBCO Grid may be significantly different to that of the resolution of the underlying measured data.

  • Lake Magadi outline

    OpenStreetMap contributors

    View original source ↗Source licence: Open Database License 1.0

    Lake outlines from relations 2315592 and 2315591 projected, clipped and styled for the map.

    © OpenStreetMap contributors. https://www.openstreetmap.org/copyright

  • Lake Naivasha outline

    OpenStreetMap contributors

    View original source ↗Source licence: Open Database License 1.0

    Lake outline projected, clipped and styled for the map.

    © OpenStreetMap contributors. https://www.openstreetmap.org/copyright

  • Lake Natron northern outline

    OpenStreetMap contributors

    View original source ↗Source licence: Open Database License 1.0

    Northern lake outline projected, clipped and styled for the map.

    © OpenStreetMap contributors. https://www.openstreetmap.org/copyright

  • Natural Earth 1:50m land polygons

    Natural Earth

    View original source ↗Source licence: Public domain

    Land polygons projected, framed and styled for the Spain and France maps.

    Made with Natural Earth. Free vector and raster map data @ naturalearthdata.com.

  • Natural Earth 1:50m country boundaries

    Natural Earth

    View original source ↗Source licence: Public domain

    Spain's outline selected, projected and highlighted in the map.

    Made with Natural Earth. Free vector and raster map data @ naturalearthdata.com.

  • Natural Earth 1:50m land polygons

    Natural Earth

    View original source ↗Source licence: Public domain

    Land polygons projected, framed and styled for the Java map.

    Made with Natural Earth. Free vector and raster map data @ naturalearthdata.com.

  • Blombos shell beads

    Chenshilwood

    View original source ↗Source licence: CC BY 2.5

    Imported figure padded with black to 16:9.

  • Natural Earth 1:50m country boundaries

    Natural Earth

    View original source ↗Source licence: Public domain

    Metropolitan France's outline selected, projected and highlighted in the map.

    Made with Natural Earth. Free vector and raster map data @ naturalearthdata.com.

  • Homo naledi LES1 cranium

    John Hawks, Marina Elliott, Peter Schmid et al.

    View original source ↗Source licence: CC BY 4.0

    Imported source image cropped.

  • Homo longi holotype, frontal view

    Fu et al. (2025)

    View original source ↗Source licence: CC BY 4.0

    Figure 1A previously cropped; skull outline traced into a flat bone-white icon and inherited into the closing family-tree animation. The photograph itself is not displayed.

    Fu et al. 2025, Cell, doi:10.1016/j.cell.2025.05.040, Fig. 1A. Via Wikimedia Commons.

Stock footage

59 items

Licensed stock footage used in this film, with each item’s creator and source page.

Research references

Selected sources from the episode’s research and scientific figures.

  1. McBrearty and Brooks 2000 ↗
  2. opposition study ↗
  3. third-metacarpal paper ↗
  4. Smithsonian repository ↗
  5. Mongle et al. 2025 ↗
  6. Nature study ↗
  7. Bunn and Gurtov 2014, author PDF ↗
  8. JHE ↗
  9. 10.1126/sciadv.adv0752 ↗
  10. Scientific Reports ↗
  11. 10.1038/s41559-017-0112 ↗
  12. 10.1038/s41586-018-0127-x ↗
  13. 10.1371/journal.pcbi.1006504 ↗
  14. Dikika study ↗
  15. Irhoud tooth growth ↗
  16. 10.1038/nature22335 ↗
  17. Kuzawa et al. 2014 ↗
  18. 10.1038/ncomms7029 ↗
  19. 10.1371/journal.pone.0191071 ↗
  20. 10.1016/j.jhevol.2019.05.010 ↗
  21. 10.1126/science.adk3381 ↗
  22. 10.1073/pnas.0900957106 ↗
  23. Organ et al. 2011 ↗
  24. 10.1073/pnas.1018116108 ↗
  25. 10.1086/692113 ↗
  26. 10.1007/s00114-016-1420-x ↗
  27. Samson et al. 2017 ↗
  28. Dryad 10.5061/dryad.jd651 ↗
  29. Wiessner 2014 ↗
  30. 10.1098/rspb.2026.0602 ↗
  31. Zenodo ↗
  32. 10.1371/journal.pbio.3001939 ↗
  33. 10.1126/science.adv1170 ↗
  34. 10.7717/peerj.21651 ↗
  35. 10.1111/brv.12535 ↗
  36. 10.1017/S0140525X00032325 ↗
  37. 10.1098/rsbl.2021.0158 ↗
  38. primary record ↗
  39. 10.1126/science.1253958 ↗
  40. 10.3389/fpsyg.2025.1503900 ↗
  41. 10.1073/pnas.2116630118 ↗
  42. 10.1038/nature10149 ↗
  43. 10.1038/s41586-022-05283-y ↗
  44. 10.1126/science.1199071 ↗
  45. Walker et al. 2011 ↗
  46. 10.1086/204166 ↗
  47. 10.1073/pnas.1713611115 ↗
  48. 10.3389/fpsyg.2020.00134 ↗
  49. 10.1038/nature13727 ↗
  50. 10.1126/science.adg0844 ↗
  51. 10.1126/sciadv.adz2433 ↗
  52. 10.1038/s41598-026-40297-w ↗
  53. 10.1126/science.aao2646 ↗
  54. 10.1126/science.aao2216 ↗
  55. 10.1126/science.aao2200 ↗
  56. PLOS ONE Cranium17 ↗
  57. 10.1126/science.1168112 ↗
  58. 10.1126/science.1235675 ↗
  59. 10.1038/nature19758 ↗
  60. 10.1038/nature13962 ↗
  61. 10.1126/sciadv.abi8620 ↗
  62. 10.1126/science.1095905 ↗
  63. 10.1038/nature18291 ↗
  64. EGU26-12788 ↗
  65. 10.1016/j.quascirev.2026.109866 ↗
  66. 10.1073/pnas.1316780110 ↗
  67. Panga ↗
  68. naledi burial ↗
  69. engravings ↗
  70. 10.1016/j.jhevol.2023.103464 ↗
  71. Oxford primary book record ↗
  72. Peoples ↗
  73. 10.1016/j.evolhumbehav.2016.02.004 ↗
  74. 10.1016/j.evolhumbehav.2026.106943 ↗
  75. 10.1038/s41586-021-04227-2 ↗
  76. Evolution of Human Innovation ↗
  77. La structure de la grotte de Bruniquel ↗
  78. Commons shell inscription ↗
  79. Tinbergen 1963 ↗
  80. Gould and Lewontin 1979 ↗
  81. Henrich, Heine and Norenzayan 2010 ↗
  82. PubMed record 42869489 ↗
  83. 10.1016/j.treopn.2026.03.004 ↗
  84. 10.1242/jeb.075713 ↗
  85. 10.1093/molbev/msaa287 ↗
  86. 10.1073/pnas.2402159121 ↗
  87. 10.1126/science.1175028 ↗
  88. 10.3389/fevo.2022.963568 ↗
  89. 10.1098/rsos.140022 ↗
  90. 10.1016/j.jas.2023.105822 ↗
  91. 10.1126/science.1199295 ↗
  92. 10.1038/s41467-018-04375-6 ↗
  93. 10.1016/j.neuron.2022.12.011 ↗
  94. 10.1073/pnas.1520288113 ↗
  95. 10.1038/s41598-026-69193-z ↗
  96. 10.1126/science.1261735 ↗
  97. author PDF ↗
  98. Morin and Winterhalder 2024 ↗
  99. 10.1016/j.jhevol.2026.103807 ↗
  100. 10.5852/cr-palevol2026v25a12 ↗
  101. Primary repository ↗
  102. 10.1038/s41559-018-0596-1 ↗
  103. 10.1126/science.1227608 ↗
  104. 10.1016/j.cub.2006.12.042 ↗
  105. 10.1371/journal.pone.0287101 ↗
  106. 10.1016/j.evolhumbehav.2024.04.014 ↗
  107. 10.1093/sysbio/syac075 ↗
  108. primary record ↗
  109. https://doi.org/10.1038/nature22335): ↗
  110. https://www.sciencedirect.com/science/article/pii/S0273229726000286 ↗
  111. https://karger.com/hde/article-abstract/70/2/65/946925/ ↗
  112. 10.1086/300083 ↗
  113. author repository copy ↗
  114. 10.1073/pnas.1112128108 ↗
  115. 10.1098/rspb.2015.0229 ↗
  116. author PDF ↗
  117. 10.3758/s13420-015-0206-x ↗
  118. 10.1073/pnas.2101108118 ↗
  119. CENIEH author copy ↗
  120. 10.1038/nature16990 ↗
  121. 10.3389/fnins.2016.00167 ↗
  122. Dryad 10.5061/dryad.jd651 ↗
  123. 10.1016/j.cub.2015.09.046 ↗
  124. 10.1038/s41467-017-02036-8 ↗
  125. 10.6084/m9.figshare.c.8623086 ↗
  126. Wadley et al. 2020 ↗
  127. Authors' Wits account ↗
  128. 10.1126/sciadv.abf9776 ↗
  129. 10.1371/journal.pone.0347480 ↗
  130. 10.1126/sciadv.aeb7219 ↗
  131. 10.1038/s41586-025-09855-6 ↗
  132. 10.1002/bies.70109 ↗
  133. https://doi.org/10.1126/sciadv.aeb7219): ↗
  134. 10.5281/zenodo.7347608 ↗
  135. Great Ape Dictionary ↗
  136. 10.6084/m9.figshare.c.7648628 ↗
  137. 10.1126/science.1100199 ↗
  138. primary PDF ↗
  139. author PDF ↗
  140. 10.1038/35097076 ↗
  141. 10.1016/j.cub.2007.10.008 ↗
  142. 10.1016/j.cell.2018.06.048 ↗
  143. 10.1016/j.cub.2009.05.028 ↗
  144. author/institution record ↗
  145. 10.1126/science.aax0868 ↗
  146. author PDF ↗
  147. 10.1002/wcs.70022 ↗
  148. https://github.com/emmanuelchemla/callsfromfeatures/ ↗
  149. https://www.sciencedirect.com/science/article/pii/S0003347226000886 ↗
  150. https://academic.oup.com/edited-volume/62210/chapter-abstract/550164010 ↗
  151. 1981 10.1126/science.211.4480.341 ↗
  152. 2009 10.1126/science.1175834 ↗
  153. 10.1073/pnas.1133180100 ↗
  154. 10.1002/ajpa.70093 ↗
  155. Masao et al. 2016 ↗
  156. 10.1126/science.277.5329.1086 ↗
  157. 10.1073/pnas.2123516119 ↗
  158. 2023 response ↗
  159. 10.7717/peerj.18946 ↗
  160. primary paper record ↗
  161. 10.1007/s41982-026-00254-5 ↗
  162. Lalueza-Fox et al. 2011 ↗
  163. 10.1002/evan.21345 ↗
  164. 10.1038/s41586-026-10625-1 ↗
  165. 10.1002/brv.70132 ↗
  166. Gwern's reference archive ↗
  167. 10.1002/evan.21777 ↗
  168. 10.1016/j.tree.2026.05.004 ↗
  169. author-hosted copy ↗
  170. held by Naturalis ↗
  171. John Hawks's source discussion ↗
  172. 10.5194/egusphere-egu26-12788 ↗
  173. University of Liège institutional repository ↗
  174. 10.1016/j.cub.2010.02.031 ↗
  175. 10.15184/aqy.2019.207 ↗
  176. 10.1016/j.cell.2026.05.044 ↗
  177. 10.1038/srep22219 ↗
  178. retraction DOI 10.1038/s41586-021-03656-3 ↗
  179. Aarhus's institutional publication record ↗
  180. shell with detail ↗
  181. https://doi.org/10.5061/dryad.jd651): ↗
  182. https://commons.wikimedia.org/wiki/File:Homo_Erectus_shell_with_geometric_incisions_circa_500,000_BP,_Naturalis_Biodiversity_Center,_Netherlands_(with_detail).jpg ↗
  183. DOI: 10.1098/rsos.220826 ↗

Music

  • Original score
    AgentHouse · Project-made score composed for this edition of Episode 8.2b (no catalog modules), with licensed choir and voice samples
    Impulse responses: Detmold University of Music SRIR database, CC BY 4.0.
Footage and image usage

Credits and usage times retained from the published edition or its production credit record. Where present, times identify visual appearances, not documentary chapters. Source and licence corrections are listed in the visual credits above.

  • A. Schel, S. Townsend, Z. Machanda, K. Zuberbuhler and K. Slocombe — 9:49-9:54
  • Adam Jones — 5:03-5:17
  • Alison S. Brooks, John E. Yellen, Richard Potts, Anna K. Behrensmeyer, Alan L. Deino, David E. Leslie, Stanley H. Ambrose, Jeffrey R. Ferguson, Francesco d’Errico, Andrew M. Zipkin, Scott Whittaker, Jeffrey Post, Elizabeth G. Veatch, Kimberly Foecke and Jennifer B. Clark — 16:52-16:56
  • alkir_vh — 16:33-16:36
  • Alona2018 — 10:35-10:46
  • Archaeology Leiden; Stephen Munro — 17:56-17:59
  • artcore_studio — 7:27-7:29
  • ATWStock — 7:01-7:06
  • azhorov — 18:40-18:42
  • Berdiy888 — 10:46-10:53
  • BlackBoxGuild — 1:33-1:38, 2:22-2:27, 4:04-4:06, 4:06-4:10, 4:10-4:15, 4:35-4:41, 4:41-4:44, 4:44-4:49, 7:06-7:11, 7:42-7:47, 8:03-8:06, 8:06-8:10, 8:10-8:12, 8:53-8:56, 10:09-10:12, 10:12-10:22, 10:22-10:28, 11:19-11:22, 11:53-11:58, 12:26-12:30, 13:04-13:11, 14:17-14:24, 14:57-15:01, 15:01-15:05, 15:05-15:10, 18:42-18:44, 20:08-20:09
  • C. Hobaiter, T. Poisot, K. Zuberbuhler, W. Hoppitt and T. Gruber — 4:49-4:56, 5:59-6:02
  • Carol V. Ward, Matthew W. Tocheri, J. Michael Plavcan, Francis H. Brown and Fredrick Kyalo Manthi — 2:07-2:12
  • Catherine Hobaiter and Nathaniel J. Dominy — 11:30-11:37
  • Ceri Shipton — 19:33-19:41
  • Chenshilwood — 18:12-18:15
  • Chris Organ, Charles L. Nunn, Zarin Machanda and Richard W. Wrangham — 7:12-7:22
  • Christian_Fletcher — 9:21-9:27
  • cliplab_pro — 13:31-13:41
  • D. R. Samson, A. N. Crittenden, I. A. Mabulla, A. Z. P. Mabulla and C. L. Nunn — 8:28-8:39
  • dubassy — 9:33-9:36
  • evgeniyqw — 19:55-20:01
  • Fu et al. (2025) — 20:52-20:59
  • GEBCO Bathymetric Compilation Group 2026 — 16:48-16:56
  • H. Kühl, A. Kalan, M. Arandjelovic, F. Aubert, L. D’Auvergne, A. Goedmakers, S. Jones, L. Kehoe, S. Regnaut, A. Tickle, E. Ton, J. van Schijndel, E. Abwe, S. Angedakin, A. Agbor, E. Ayimisin, E. Bailey, M. Bessone, M. Bonnet, G. Brazolla, V. Buh, R. Chancellor, C. Cipoletta, H. Cohen, K. Corogenes, C. Coupland, B. Curran, T. Deschner, K. Dierks, P. Dieguez, E. Dilambaka, O. Diotoh, D. Dowd, A. Dunn, H. Eshuis, R. Fernandez, Y. Ginath, J. Hart, D. Hedwig, M. Ter Heegde, T. Hicks, I. Imong, K. Jeffery, J. Junker, P. Kadam, M. Kambi, I. Kienast, D. Kujirakwinja, K. Langergraber, V. Lapeyre, J. Lapuente, K. Lee, V. Leinert, A. Meier, G. Maretti, S. Marrocoli, T. Mbi, V. Mihindou, Y. Moebius, D. Morgan, B. Morgan, F. Mulindahabi, M. Murai, P. Niyigabae, E. Normand, L. Ntare, L. Ormsby, A. Piel, J. Pruetz, A. Rundus, C. Sanz, V. Sommer, F. Stewart, N. Tagg, H. Vanleeuwe, V. Vergnes, J. Willie, R. Wittig, K. Zuberbuehler and C. Boesch — 2:43-2:48
  • Henk Caspers / Naturalis Biodiversity Center — 18:05-18:08, 18:08-18:12
  • Human Origins Program, Smithsonian Institution — 16:46-16:48, 16:56-17:01
  • Jacques Jaubert et al. — 18:51-18:59, 19:02-19:06
  • Jeffmugendi — 16:36-16:43
  • Jl FilpoC — 17:28-17:32
  • John Hawks, Marina Elliott, Peter Schmid et al. — 19:41-19:45
  • Jonathan Chen — 0:50-0:56
  • K. Génuite et al.; photographs K. Génuite and E. Fabre; hillshade S. Jaillet — 18:36-18:40
  • K. Génuite; source figure by K. Génuite et al. — 18:36-18:40
  • KinoMaster — 11:45-11:53
  • Kirsty E. Graham and Catherine Hobaiter — 10:02-10:09
  • kovalvs — 6:57-7:01
  • Kufundisha — 6:02-6:06
  • Lee R. Berger et al. — 19:45-19:49
  • Liran Samuni / Taï Chimpanzee Project; figure by Tomos Proffitt, Jonathan S. Reeves, Soiret Serge Pacome and Lydia V. Luncz — 2:20-2:22
  • Luc-Henri Fage/SSAC — 18:44-18:51
  • M. D. Marin-Monfort et al. — 6:50-6:57
  • M. Fröhlich, P. Kuchenbuch, G. Müller, B. Fruth, T. Furuichi, R. Wittig and S. Pika — 9:54-10:02
  • MAMA_AFRICA — 8:22-8:28
  • ManuMata — 16:09-16:15
  • Martin Hora, R. Dattatreya, M. Struska, Herman Pontzer and Vladimír Sládek — 3:57-4:01
  • MatthewWilliams-Ellis — 12:30-12:36
  • Max Planck Institute for Evolutionary Anthropology; Taï Chimpanzee Project / Christophe Boesch — 2:17-2:20
  • MegiasD — 7:47-7:50
  • MicroPasts — 6:28-6:33
  • mil23 — 20:01-20:05
  • Natural Earth — 13:21-13:24, 17:10-17:18, 17:14-17:18, 17:54-17:56, 18:33-18:36
  • Nkansah Rexford — 18:15-18:18
  • Nohemi Sala et al. — 17:18-17:21, 17:21-17:23, 17:23-17:28
  • OpenStreetMap contributors — 16:48-16:56
  • PACO-COMO — 3:29-3:33
  • Pacob — 19:29-19:33
  • Paul Tafforeau and Vincent Beyrand, ESRF — 5:31-5:45
  • PD-media — 8:17-8:22
  • Philipp Gunz, MPI EVA Leipzig — 0:48-0:50, 0:56-0:59
  • Philipp Gunz, Simon Neubauer et al. — 5:17-5:21
  • Polly W. Wiessner — 9:07-9:21
  • Pro-Studio — 9:27-9:33
  • punyawee22 — 9:36-9:39
  • Rama — 12:38-12:43, 12:43-12:48
  • revleha — 16:43-16:46
  • slowmotiongli — 3:43-3:48, 17:32-17:35
  • Sonia Harmand et al. — 1:38-1:44
  • stockbusters — 8:12-8:17
  • The Metropolitan Museum of Art — 6:21-6:28
  • Thilo Parg — 7:50-7:58, 11:58-12:08
  • Toomler — 8:01-8:03
  • Unità di Antropologia – Dip. di Biologia, Unipi — 4:29-4:35
  • V. Reynolds, A. Lloyd, C. English, P. Lyons, H. Dodd, C. Hobaiter, N. Newton-Fisher, C. Mullins, N. Lamon, A. Schel and B. Fallon — 4:56-4:59
  • vimpro — 4:01-4:04
  • WhiteMountMedia — 13:24-13:27
  • Wildlife-Stock — 2:58-3:14, 3:23-3:29, 3:50-3:57
  • wildlifeandnaturestudios — 20:18-20:25
  • É. Fabre, SSAC; Jacques Jaubert et al. — 18:59-19:02

How this film was made

Created and editorially directed by Anders Lunde using a custom production system developed over six months. AI assists research, drafting, programming, and visual production; I review and edit the material and make the final editorial decisions. Narration uses text-to-speech. Visuals combine custom-built scientific animations, AI-generated reconstructions, and credited scientific imagery.

Generated reconstructions illustrate scientific interpretations. They are distinct from photographs, specimens, and measured data.

More about the creator and production →