When We Met Other Human Species

  • Published on: 09 July 2019
  • We all belong to the only group of hominins on the planet today. But we weren’t always alone. 100,000 years ago, Eurasia was home to other hominin species, some of which we know our ancestors met, and spent some quality time with.

    Thanks to Julio Lacerda and Fabrizio de Rossi from Studio 252mya for their wonderful hominin illustrations. You can find more of their work here: https://252mya.com/

    Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

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    References: https://docs.google.com/document/d/1h8iVAIugVPfxOcCZKeZxtZfa6mNP8V7xMhS_vxmDRl0/edit?usp=sharing
  • Runtime : 13:29
  • dinosaurs dinos paleo paleontology scishow eons pbs pbs digital studios hank green john green complexly fossils natural history Neanderthals Denisovans Eurasia DNA. East Asia Africa Siberia Homo sapiens STAT2 adaptive introgression Denisova Cave mitochondrial DNA Homo erectus Homo neanderthalensis modern humans


  • PBS Eons
    PBS Eons   4 months ago

    Some commenters have pointed out that calling Neanderthals and Denisovans “other hominin species” in this episode breaks the rules of the biological species concept (BSC), which says if two things can interbreed, then they’re the same species. Some paleoanthropologists would agree. They consider both Neanderthals and Denisovans to be subspecies of Homo sapiens, rather than separate species. Other experts would say that Neanderthals have a set of features that make them clearly distinguishable from Homo sapiens, putting them outside the range of variation we include in our species. And we hardly know the Denisovans - like we said in the video, they don’t even have a scientific name yet.The incredible thing about this is that we can even think about applying the BSC to fossils at all. The BSC is a species concept based on living organisms, and it’s only been within the last two decades or so that we’ve had the ancient DNA and the technology to test hypotheses about interbreeding in extinct groups. And it’s not the only way to define a species, either, so it will likely be a while (if ever) before anthropologists decide whether we’re a different species, subspecies, or population from the Neanderthals and Denisovans.(Darcy Shapiro, PhD, script editor)

  • Genevieve Pineda
    Genevieve Pineda   12 minuts ago

    So...where can I get my DNA tested? Is my new middle name "Denise"? Lol

  • Pippa Harris
    Pippa Harris   6 hours ago

    So the Denisovans are the first thots in history..

  • Codie The Meme
    Codie The Meme   8 hours ago

    I believe Russians are the closest descendants of Neanderthals, that's just always been a fact in my head but I don't have much evidence to back it up lol.

  • Patrick Murigi
    Patrick Murigi   8 hours ago

    Aryans must be so mad with their whole purity of species crap

  • Boll Weevil
    Boll Weevil   11 hours ago

    Bigfoot doesn't believe in you either

  • Deb Carsey
    Deb Carsey   12 hours ago

    Why the heck don't you just say it....the smartest not the strongest survived. Sheesh

  • Jack Kidd
    Jack Kidd   20 hours ago

    Finally some real confirmation of the source of the DNA from these findings (i.e., a pinky bone, molars, etc.)

  • Motorola Samurai
    Motorola Samurai   1 days ago

    If those species still existed racism wouldn't be a thing , instead we would have speciesim

  • Angel
    Angel   2 days ago

    bigfoot: am i a just to you?

  • Slacker Head
    Slacker Head   2 days ago

    Homosapiens killed off all of what were left. Many findings of neanderthals bones with evidence of piercings and blugenet damage caused to them.

  • Subscribe to me for no reason

    If our ancestors were able to produce fertile offspring with them then doesn’t that invalidate their classification as a separate species?

  • Ray _Blazin420_o
    Ray _Blazin420_o   3 days ago

    I think I have Neanderthal blood in me, when I was only 15-16 in the course of one summer I was run over by three cars and never broke, bruised or sprained a single thing also isn’t it good if your blood clots fast ?? It means you heal exponentially quicker and are less at risk of blood loss which can prove more fatal ? I love my dna basically a superhuman.

  • Angry_Panda
    Angry_Panda   3 days ago

    This ain't gonna happen but...Would it be possible to select people to reproduce to bring them back into existence with traits that modern humans have from the genes of them?

  • Willi V.
    Willi V.   4 days ago

    Yes, there is me: another human species and the video guy, another human species: two different human species gauranteed sir. I discovered why the DNA sequence is most positively accurate without an doubt.

  • lokibau
    lokibau   4 days ago

    i guess we cant use the word neanderthal as an insult anymore?

  • Woodchip
    Woodchip   5 days ago

    So if we make the assumption that Neanderthal and Denisovan genes have been beneficial, does that suggest that the populations which don't carry their genes (Sub-Saharans) are at a disadvantage?

  • Carlo Wilburn
    Carlo Wilburn   5 days ago

    We dated each other on and on until the larger group absorbed the much smaller group

  • Varonvan
    Varonvan   6 days ago

    Once he shows up on my screen I was like Ight imma head out I hate this dude

  • jayant kumar
    jayant kumar   6 days ago

    Around 10000 year ago after all neanderthal, homo erectus, Peking man, denivon, dianasor were done some higher power would have thought now these homo sepiense can live in peace........how wrong were they

  • KiwiTM
    KiwiTM   1 weeks ago

    Yeah Croita. My brith country

  • Jay Vincent
    Jay Vincent   1 weeks ago

    It’d be so weird if they still were alive.

  • v1e1r1g1e1
    v1e1r1g1e1   1 weeks ago

    Neanderthals died out because too many of them believed in Neatherthal-male-privilege and so they stopped making babies.

  • Gumbo Time
    Gumbo Time   1 weeks ago

    So when are we gonna clone some of these guys

  • Mr flimflam fremdippity danyet

    This seems kind of obvious to me... We have Caucasian, African, Oriental, Amazonian, Arabian, Aubergine, Eskimos, Pacific Islanders, etc..... We have multiple deviations of all of these.Seems to me the "missing links" are all around us to include us . Why would it be farfetched to believe that earliest humans spread all over the planet. Some sort of mass extinction destroyed the people that existed in between the connections meaning that humans evolved depending on the environmental needs and eventually reconnected as very different humans We know that we were all able to reproduce so that literally means we all are the same species. Moden humans are just mixed variations. Any thoughts?

  • JustSomeGuy
    JustSomeGuy   1 weeks ago

    Awesome info, and great presentation. This is one of my favorite periods in time to study. As a historian, I'm limited to the "high life" of primate existence in the last few thousands years since writing and farming became big news.

  • Jayne Eyre
    Jayne Eyre   1 weeks ago

    I regularly see people on the bus who convince me some of our ancestors mated with Neanderthals.

  • jacob martinelli
    jacob martinelli   1 weeks ago

    Neural symmetry of experiences, (since baby) mimicry~. I don't think that's what genes are nor do. Like that old saying "the apple doesn't fall very far from the tree." Either love them or hate them, still turns out like them unless learn their life's lessons. Photoelectromagnetism, gateways to the soul~. Memories are probably like learned entanglement if overthinking in relation to the sensations recalled. Although, mind over matter, thermodynamics~I'm referring in a poetic, easy to understand and interpret way or manner.Life adapts to move muscles and efficiently for effectively in relation to usually.

  • lumps
    lumps   1 weeks ago

    Feels like the tribal stage of spore. By civilization there's only one species left.

  • Ghost NineEight
    Ghost NineEight   1 weeks ago

    Africans have no other cousin species in them making them truly pure human. And if East Asian and Caucasians ALL have trace amounts, that suggests all of their ancestors resulted from hybridization. I believe that plays a major factor in “race” somehow but 🤷🏽‍♂️

  • 4FunRC
    4FunRC   1 weeks ago

    For chrissakes! This is so weird... lol

  • kaellyn moss
    kaellyn moss   1 weeks ago

    So....being sexually adventurous contributed to the survival of modern humans? LOL. Interesting!

  • evan King
    evan King   1 weeks ago

    what I got out of this is that we will breed with anything!! now I know why horses, cows, etc.. get nervous around people.

  • Matthew
    Matthew   1 weeks ago

    Important: Which member of the genera Homo and Australopithecus was the strongest?