On Humans

Ilari Mäkelä
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Where do we come from? How did we get here? And what kinds of creatures are we? On Humans features conversations with leading scholars about human nature, human condition, and the human journey. From the origins of war to the biology of love, each episode brings fresh insights into perennial questions about our self-understanding. The show now unfolds in series of episodes built around a chosen theme, offering ever-deeper dives into some of the biggest questions in science, philosophy, and history. Welcome to the journey!

  1. -2 J

    Where Did Humans Evolve? Gazing at the Changing Nature of the Garden of Eden ~ Denise Su

    Imagine a group of ancient humans, crafting stone tools at the dawn of humankind. What did these creatures look like?  To find out, we can stare at the skulls in museums or glance at reconstructions made by paleo-artists. Not a bad start. But what if we move the lens and zoom into their surroundings? What was the scientific “Garden of Eden” like? Was it a lush forest, a dry savanna, or an icy cave? And what can the answer tell us about human nature more broadly? Denise Su is a world-leading expert on these questions. A paleoecologist at Arizona State University’s Institute of Human Origins, she uses ever-more imaginative ways to get a glimpse into the nature and the weather that set the stage for the human story. In this episode, we focus on two kinds of “changes” in the ecology of human evolution: both the actual climate change that drummed the beat of human origins, and the theoretical changes in the views of scientists thinking about these topics. Indeed, this episode digs deep into one of the hotly contested questions about the reasons why humans evolved: "the savanna hypothesis". According to the savanna hypothesis, our naked, upright species evolved because African forests were shrinking and dry savannas emerged instead. Other apes stayed in the shrinking forests, but our brave ancestors took the shot, conquering the vast flatlands. As they did so, they started standing upright to better walk on the savanna and lost their fur, to sweat away the heat of the scorching sun. I have told versions of this story on the show, and so have many senior guests. Yet even a brief Google search will give you plenty of critics telling that the savanna hypothesis is nothing but a convenient myth.⁠ Articles by Denise Su⁠ are often included in the evidence. So what’s going on? Listen to the episode to find out! TIMELINE  Last common ancestor with humans and chimpanzees: 6–7 million years ago Ardipithecus ramidus: 4.5–4.2 million years ago Australopithecus anamnesis: 4.2–3.8 million years ago Austrolopithecus afarensis (e.g. Lucy): 3.9–2.9 million years ago Australopithecus deyiremeda: 3.5–3.3 million years ago Earliest Homo: about 2.8 million years ago Homo erectus: 1.9 million–112,000 years ago Homo sapiens: 300,000 years ago till present  FACT-CHECKING No factual errors have been detected so far. However, timing estimates and species names are still debated. Furthermore, the “hours” in the metaphorical clock can shift a fair amount based on the “midnight”: our last common ancestor with chimpanzees lived 6 to 7 million years ago, with some estimates pushing the date as far as 8 million. In the episode, our clock is tuned to 6 million years ago.  If you see an error, you can get in touch using the form below. LINKS Support: ⁠⁠⁠⁠⁠⁠Patreon.com/OnHumans⁠⁠⁠⁠⁠⁠ Articles & newsletter: OnHumans/Substack.com Get in touch: ⁠⁠⁠⁠⁠⁠https://forms.gle/h5wcmefuwvD6asos8⁠⁠⁠⁠ KEY WORDS anthropology | archaeology | paleontology | human origins | human behavioural ecology | savanna hypothesis | paleolithic | paleoecology | hominid fossils | carbon isotopes C3/C4 | human evolution | human biology | climate change | human futures

    54 min

  2. 10 FÉVR.

    The Original Affluent Society? Lessons from 60-Years of "Man the Hunter" Research ~ Richard B. Lee

    What was life like before farming? Was it nasty, brutish, and short? Or did our hunter-gatherer ancestors live lives that were relatively free, affluent, and ecologically stable? In the lack of a time machine, many anthropologists have sought answers from studying the few hunter-gatherer communities that still exist today. In 1966, several leading names in the field were invited to present their results at a symposium at the University of Chicago. This “Man the Hunter” conference became a landmark event, but what exactly were the results? And have they stood the test of time?  To mark the 60th anniversary of the "Man the Hunter" symposium, On Humans is glad to share the first-ever long-form podcast with the legendary anthropologist and co-organiser of the symposium, Richard B. Lee. We discuss the legacy of the conference, Lee’s own experiences living with hunter-gatherers in the Kalahari, and his reflections on what we do and do not know about the ancient lifeways of hunter-gatherers. As we do so, we also discuss various controversies and mysteries, from women's roles to Native American farmers, and from archaeological black holes toThe Dawn of Everything. Enjoy! FACT-CHECKING No factual errors have been detected so far. If you see an error, you can get in touch using the form below. LINKS Support: ⁠⁠⁠⁠⁠Patreon.com/OnHumans⁠⁠⁠⁠⁠ Get in touch: ⁠⁠⁠⁠⁠https://forms.gle/h5wcmefuwvD6asos8⁠⁠⁠ MENTIONS The Worst Mistake in the History of the Human Race (Jared Diamond) https://www.discovermagazine.com/the-worst-mistake-in-the-history-of-the-human-race-12157 The Original Affluent Society (Marshall Sahlins) https://www.uvm.edu/~jdericks/EE/Sahlins-Original_Affluent_Society.pdf For my previous coverage on “woman the hunter” controversies, see “Is Man the Hunter Dead” and my interviews with Cara Ocobock and Katie Starkweather, all available here: ⁠https://onhumans.substack.com/p/is-man-the-hunter-dead⁠ For Richard Lee's own comments on the controversy, see his interview with Vivek Venkataraman ⁠https://osf.io/x7ar3_v1/ Names: Richard B. Lee | James Suzman | Marshall Sahlins | David Graeber | David Wengrow | Jared Diamond | Sarah Blaffer Hrdy | Jerome Lewis | Colin Turnbull | James Woodburn | Eleanor Leacock | Louis Henry Morgan | Karl Marx | George Armelagos | Irvin DeVore | Sherwood Washburn | Jay Desmond Clark | Harriet Rosenberg | Lawrence K. Marshall | Elizabeth Marshall | John Marshall | Greta Thunberg | Vivek Venkataraman Ethnic groups: San | Ju/’hoansi | !Kung | Khoisan | Khoikhoi | “Bushmen” | “Hottentots” | First Nations | Tlingit | Haida | Inuit | Australian Aboriginal peoples | Bayaka| Batek | Huron-Wendat | Iroquois | Six Nations | Plains Indians | Hopi | Navajo | Cherokee KEY WORDS anthropology | archaeology | ethnography | human origins | human behavioural ecology | hunter-gatherers | paleolithic | neolithic transition | original affluent society | Kalahari Desert | Botswana | Namibia | paleogenetics | gathering vs hunting | gender roles | women hunting | egalitarianism | origins of hierarchy | surplus | food storage | salmon economies | Northwest Coast hunter-gatherers | archaeology of early farmers | bioarchaeology | stature/height decline | teeth health | disease burden | zoonoses | cross-species infection | Neolithic fertility increase | population pressure and “intensification” | chiefdoms | states | empires | ecology vs culture debate | materialist vs idealist | concentration–dispersion | colonialism | exploitation | land rights | climate change | human futures

    59 min

  3. 21 JANV. · BONUS

    What Can Shamans Teach Us About Religion? | Many Minds with Manvir Singh

    The world is full of religions, but none as timeless as shamanism. And whilst many modern religions have shed their shamanic skins, the shaman is rarely as far away as we have been told. Or so argues anthropologist Manvir Singh in his book, Shamanism: The Timeless Religion.   Singh’s work is fascinating in its capacity to link the exocit with the familiar, showing how rainforest rituals are not so far removed from urban modernity as we might think. Today, I will have the rare chance to enjoy Singh's insights together with you, as a listener. The hard work will be done by Kensy Cooperider, the host of the Many Minds Podcast. Many Minds is one of my own go-to shows and has a lot to recommend for it. Just like On Humans, it breaks down complex scientific concepts about humanity into easy-to-follow yet in-depth conversations. Yet unlike On Humans, it has insanely well-referenced show notes! Just check this one out. Kensy and I had a beachside chat this November and decided it would be good to introduce ourselves to each other's audiences. So here we go! LINKS Many Minds: https://disi.org/manyminds/ Diverse Intelligences Summer Institute: https://disi.org/ Episode page: https://disi.org/the-shaman-with-a-thousand-faces/ Manvir Singh: https://www.manvir.org/ KEYWORDS Anthropology | Psychology | Religion | Cross-cultural study | Abrahamic religions | Neo-shamanism | Human universals |

    1 h 20 min

  4. 10 JANV. · BONUS

    The Origins of Humankind: Where Do We Really Come From?

    Happy 2026! On Humans has typically marked the coming of January by revisiting the previous year’s most popular episode. This time, the New Year special packs the five-hour-long "Origins of Humankind" series into one fast-paced dive through deep time. By mixing highlights from the original interviews with fresh narration, this episode offers a captivating journey through many of the great topics around human origins, such as: Who were the first primates The role of fruits, snakes, and predators The human solution to dangerHow to grow a human brain?What did our ancestors eat?Effects of our upright posture Origins of music & language How Homo sapiens took over the worldEnjoy! LINKS For the original five-hour experience, see: OnHumans.Substack.com/Origins For a shorter series on ancient DNA: see OnHumans.Substack.com/DNA Support: Patreon.com/OnHumans The series was produced together with CARTA (UCSD & Salk Institute). For past recordings of CARTA symposia on human origins, see: Carta.Anthropogeny.org/Symposia KEYWORDS Human evolution | Human origins | Science | Biology | Paleoanthropology | Anthropology | Archaeology | Fossils | aDNA | History of life | Life history | Dinosaurs | Primates | Apes | Hominins | Homo sapiens | Evolution of language | Evolution of music | Brain evolution | Paleoneurology | Neanderthals | Denisovans | Neolithic Revolution | Spread of agriculture | Human destiny

    28 min

  5. 24/12/2025

    Why Do We Laugh? Philosophers on Jokes, Humor, and the Human Condition ~ Mira Magdalena Sickinger

    “The podcast is great, but one thing hasn’t been covered yet: humour. It’s an essential part of our human condition, and would certainly be worth an episode.” This listener feedback was easy to agree with. From standup comedy to nervous laughter, our lives are filled with chuckles and giggles. Why? Why do adults laugh at witty jokes whilst children laugh at the simple pleasures of peek-a-boo? And why should any of us laugh in the first place? My guest is Mira Magdalena Sickinger. a poet and a philosopher of humour from the University of Vienna. We cover a lot in the discussion: from the social roles of humour, to the politics of joking, and the therapeutic effects of a humorous attitude. In the course of the conversation, we cover the views of many intellectual giants, from Sigmund Freud to Immanuel Kant — and while the conversation includes a handful of silly jokes (be warned), it ends with a deeper reflection on how humour can serve as a window into the human condition itself.  FACT CHECKING No errors have been found as of now. If you find an error in this or other episodes, get in touch via the form below. LINKS Articles and essays: ⁠⁠⁠⁠OnHumans.Substack.com⁠⁠⁠⁠ Support: ⁠⁠⁠⁠Patreon.com/OnHumans⁠⁠⁠⁠ Contact Form: ⁠⁠⁠⁠https://forms.gle/h5wcmefuwvD6asos8⁠⁠⁠ MENTIONS Simon Critchley | Ted Cohen | Robin Dunbar | Ágnes Heller | John Morreal | Immanuel Kant | Thomas Wilk & Steven Gimbel | V S Ramachandran | Sigmund Freud | Janet Bing⁠ &  ⁠Joanne Scheibman ⁠| Thomas Nagel | Aristotle | Thomas Aquinas | John Dewey | Robin Tyler KEYWORDS Philosophy | Psychology |Anthropology | Incongruence theory | Relief theory | Superiority theory | Play theory | Humor | Blended spaces | Stasi & communism jokes in East Germany | Feminist & queer humor | Jokes | Absurdity | Irony | Existentialism | Meaning of life |

    1 h 2 min

  6. 05/12/2025

    Restless Humanity: The Epic Migrations Into the Americas, Polynesia, and... Beyond? ~ Andrés Moreno-Estrada

    We are a movable species. In less than 50 thousand years, Homo sapiens has penetrated practically all corners of the earth. This is an episode about those epic migrations, with a focus on the two furthest edges of the human migratory map: the Americas in the West and the Polynesian islands in the East. In the end, we discuss emerging evidence that those branches met each other -- work coming directly out of the work of my guest, Andrés Moreno-Estrada. Enjoy! DECODING OUR STORY This is episode 3 in the "⁠Decoding Our Story⁠" mini-series, recorded live at the Salk Institute's CARTA symposium on ancient DNA. The other episodes are: "The Neanderthal Mirror: Latest Findings About the Lines Between Us" ~ David Gokhman "Beyond Race: A New Outlook on the Shape of Humanity" ~ Diyendo Massilani FACT CHECKING No errors have been found as of now. If you find an error in this or other episodes, get in touch via the form below. LINKS Articles and essays: ⁠⁠⁠OnHumans.Substack.com⁠⁠⁠ Support: ⁠⁠⁠Patreon.com/OnHumans⁠⁠⁠ Contact Form: ⁠⁠⁠https://forms.gle/h5wcmefuwvD6asos8⁠⁠ ⁠⁠CARTA symposium⁠⁠ The Moreno lab⁠⁠ KEYWORDS Human population history | Human origins | Anthropogeny | Anthropology | Ancient Migration | Out of Africa | Homo sapiens | Ancient DNA | Comparative genetics | Austronesian expansion | Taiwan | Admixture | Archaeogenetics | Archaeology | Polynesia | Easter Islands | Rapa Nui | Hawai'i | Aotearoa New Zealand | Tonga Fiji | Native American origins | Latino genetics | Latinx genetics | Hispanic genetics | Indegenous genetics |

    26 min

  7. 01/12/2025

    Beyond Race: A New Outlook on the Shape of Humanity ~ Diyendo Massilani

    European thinkers once divided humanity into distinct "races". The idea stuck, even if the science moved on. The shape of humanity, it turned out, is far messier than the old race theorists ever imagined. This much is well known. Still , genetics does study different human "populations". Biological differences between these populations are reported every day. So have we simply changed words? Has anything really changed? Yes, everything has changed. To explain why, I'm glad to have Diyendo Massilani on the show. Trained in France and Gabon, Massilani runs a lab at the Yale School of Medicine, where he studies ancient DNA and human adaptations. This fall, his lab has produced one of the most interesting analysis of human biodiversity that I have ever seen. I'm proud to feature it on the podcast before publication. Our conversation begins from the counter-intuitive implications of the Out of Africa theory, and its significance for ideas about race. We then discuss Massilani's own analysis about how the level of genetic differences between modern-day humans. As always, we finish with my guest's reflections on humanity. DECODING OUR STORY This is episode 2 in the "Decoding Our Story" mini-series, recorded live at the Salk Institute's CARTA symposium on ancient DNA. The other episodes are: "The Neanderthal Mirror: Latest Findings About the Lines Between Us" ~ David Gokhman (published) "Restless Humanity: The Epic Migrations Into America, Polynesia, and... Beyond?" ~ Andrés Moreno-Estrada (5th of Dec) FACT CHECKING No errors have been found as of now. If you find an error in this or other episodes, get in touch via the form below. LINKS Articles and essays: ⁠⁠OnHumans.Substack.com⁠⁠ Support: ⁠⁠Patreon.com/OnHumans⁠⁠ Contact Form: ⁠⁠https://forms.gle/h5wcmefuwvD6asos8⁠ ⁠CARTA symposium⁠ The Massilani lab⁠ KEYWORDS Human evolution | Human origins | Anthropogeny | Anthropology | Paleoanthropology | Genetics | Homo sapiens | Ancient DNA | Comparative genetics | Human biodiversity | Admixture | Archaeogenetics | Archaeology | Mbuti | Papuans | Neanderthals

    15 min

  8. 27/11/2025

    The Neanderthal Mirror: Latest Findings About the Lines Between Us ~ David Gokhman

    Genetics is rewriting the human story. This week, On Humans takes you behind the scenes of this rapidly evolving frontier via three live-recordings, captured at the Salk Institute's CARTA symposium on ancient DNA. The first episode explores the differences between us and the Neanderthals. For centuries, we tried to understand Neanderthals through stones and bones alone. Now genetics is offering a new tool, allowing researchers to see how ancient bodies and brains developed. In this opening episode, David Gokhman explains what these new tools are revealing about us, Neanderthals, and the lines between us. UP NEXT "Beyond Race: New Surprises About the Shape of Humanity" ~ Monday Dec 1st with Diyendo Massilani "Restless Humanity: The Epic Migrations Into America, Polynesia, and... Beyond?" ~ Friday Dec 5th with Andrés Moreno-Estrada FACT CHECKING No errors have been found as of now. If you find an error in this or other episodes, get in touch via the form below. LINKS Articles and essays: ⁠OnHumans.Substack.com⁠ Support: ⁠Patreon.com/OnHumans⁠ Contact Form: ⁠https://forms.gle/h5wcmefuwvD6asos8 CARTA symposium Gokhman's lab KEYWORDS Human evolution | Human origins | Anthropogeny | Anthropology | Archaeogenetics | Archaeology | Paleoanthropology | Genus Homo | Neanderthals | Ancient DNA | Comparative genetics | Archaeogenetics | Language evolution | Origins of language | Symbolic culture | Extinction | Species concept

    22 min
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Where do we come from? How did we get here? And what kinds of creatures are we? On Humans features conversations with leading scholars about human nature, human condition, and the human journey. From the origins of war to the biology of love, each episode brings fresh insights into perennial questions about our self-understanding. The show now unfolds in series of episodes built around a chosen theme, offering ever-deeper dives into some of the biggest questions in science, philosophy, and history. Welcome to the journey!

Informations

  • Création
    Ilari Mäkelä
  • Années d’activité
    2022 - 2026
  • Épisodes
    102
  • Classification
    Tous publics
  • Copyright
    © Ilari Mäkelä
  • Site web de l’émission
    On Humans

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