Where Did Life Come From? (feat. PBS Space Time and Eons!)


Comments • 3 993

  • It's Okay To Be Smart
    It's Okay To Be Smart   2 years back

    The origin of life… it's a big question. Maybe the biggest.

    Head to PBS Space Time and Eons and watch the rest of this collab!

    • emil engen
      emil engen  5 days back

      @Ex Animus exactly!

    • Genzan
      Genzan  1 weeks back

      You guys, incluiding the guys from Aeons (love you guys) have a twitter account so I can follow?

    • T.J. Cunningham
      T.J. Cunningham  2 months back

      @Erick Nyevz How do you know it never occurs? How do you know it's not reoccurring constantly?

      Oh, and that's not a question no one asks. Its asked all the time. When I'm asked, my answer is always the same.

    • Erick Nyevz
      Erick Nyevz  2 months back

      The question no one asks is why does it never happen again? Why does the creation of life from nothing never reoccur? How much of a barrier is it in the first place if as far as we know it has only happened once in this universe. More importantly only once on earth. In earths habitable starting time it took little time for life to begin. In all the time after it should of happened another time.

    • Frank Teng
      Frank Teng  2 months back

      Tom Quirici lol wtf an atheistic point of view isn’t forced down our throats like religion used to be, science serves to make us question our past beliefs, scientific methods are also developed with many thousands of researchers around the globe and checked repeatedly and confirmed to be acccurate within a certain degree

  • Duy Nguyen
    Duy Nguyen  3 hours back

    What a great accident we are!

    • barbatos 51
      barbatos 51  6 hours back

      So i have a question..if someone in the future go back in time to the beging when micro life is soport..but it was nathing..but the person there contaminates the area..so that person is responsable for the begining of life ..we have a paradox there.lol

      • Inaya mulla
        Inaya mulla  1 days back

        Now that is some cool science...my school -science- environmental studies is so boring

        • Jose Zamora
          Jose Zamora  2 days back

          how can I ask for the eng sub and translate to spanish for the channel? I really like this video, and want people who speak spanish watch it...

          • Eddy Aleman
            Eddy Aleman  2 days back


            • Greg Pearcey
              Greg Pearcey  3 days back

              We don't know that 'the universe', if it is a 'universe', is a closed system, so I don't accept that the laws of thermodynamics can be employed to conclude that 'the universe' is moving toward an entropic equilibrium, or 'heat death' as some say.

              • Greg Pearcey
                Greg Pearcey  3 days back

                Abiogenesis, comets, asteroids, aliens, god(s)
                who knows...
                But we have lab-grown meat now so...

                • TheOne
                  TheOne  4 days back

                  That was a man in the intro. Let that sink in.

                  • undertow
                    undertow  4 days back

                    “As a biologist I can tell you this is much harder than it sounds”

                    • Herman Gandjob
                      Herman Gandjob  5 days back

                      Thanks johnny knoxville

                      • Greg Lecuyer
                        Greg Lecuyer  5 days back

                        We humans are not all of this world.

                        • John Stockla
                          John Stockla  5 days back

                          They did it they finished biology.

                          • ruby lily
                            ruby lily  6 days back

                            so you're saying we live in a REALLY FANCY simulation then?

                            • Dell Scotten
                              Dell Scotten  6 days back

                              All these scientist are forgetting a major fact.....all living things have DNA which is INFORMATION ! Where did the information come from?

                              • Jammie!
                                Jammie!  4 days back

                                @Dell Scotten The honest answer to the origin of life is I do not know.

                                However we know RNA and DNA can be formed through natural processes. As such the "information" of RNA and DNA can arise naturally.

                                We also know that this information in RNA and DNA over time can change, also again through natural processes.

                              • Dell Scotten
                                Dell Scotten  4 days back

                                @Jammie! To state what it's made of doesn't deplane where it's origin is!

                              • Jammie!
                                Jammie!  5 days back

                                DNA is made of RNA and RNA can be made from the chemicals thought to be found in a pre-biotic Earth. Several experiments have shown this. Have a read of Abiogenesis. It is not fully understood but has gone some of they way of explaining how life could have occurred this way.

                                The "information" is just how this RNA/DNA regulates other chemicals.

                            • Your Future Overlord
                              Your Future Overlord  6 days back

                              7:29 RNA is guacamole theory confirmed

                              • Richard Truckner
                                Richard Truckner  1 weeks back

                                Could have, must have, might have all spoken with lots of assumptions and with absolute authority..... I think it will prove to be much more complicated !

                                • Bizzy MB
                                  Bizzy MB  2 weeks back

                                  so if we stab something with rna in it with a dorito then does that count as dipping it in guac?

                                  • Alexandre Daniel
                                    Alexandre Daniel  2 weeks back

                                    I already knew you don't know, I clicked on this video to find answers, and found what I already knew.
                                    Scientists still have no idea for how life emerged.
                                    For what I know there was never made an celular membrane on a lab from that theirynof yours of deep sea gases. If it was true, why not try it?

                                    • Obeijin
                                      Obeijin  2 weeks back

                                      " We don't know " ....

                                      • Chrix Devitt
                                        Chrix Devitt  2 weeks back

                                        The why to life? 12:17

                                        • kurdish web
                                          kurdish web  2 weeks back

                                          The ocean and one oily molecules are still there
                                          But why it's not happening again.?????????????????????????¿¿¿

                                          • B D
                                            B D  2 weeks back

                                            Wow this blew my mind. My family is super religious and they always make me shut up by saying what started life/evolution. I'm obviously not supper smart but I'm not as dumb as my insane family. I love those assholes though..

                                            • nuclear powered cake
                                              nuclear powered cake  2 weeks back

                                              Joe mama

                                              • Beefcurtanz
                                                Beefcurtanz  2 weeks back

                                                Have they gotten any closer since 1952? Are amino acids "life", do amino acids have DNA? Going from raw chemicals to life seems like a giant leap, perhaps a well qualified synthetic organic chemist should weigh in on these theories, someone like James Tour?

                                                • Raymus Munt
                                                  Raymus Munt  2 weeks back

                                                  Why then would all forms of RNA based life be extinct? Or at least not existing outside structures based on DNA?

                                                  • Lion Fire
                                                    Lion Fire  2 weeks back

                                                    I love this channel. they never disappoint me with fascinating things they should teach at school.

                                                    • deanmullen10
                                                      deanmullen10  2 weeks back

                                                      I'm still trying to visualize how RNA first formed. Perhaps the very first element that makes RNA what it is formed randomly but it was enough to start the process.

                                                      • Philip Gardner
                                                        Philip Gardner  3 weeks back

                                                        I never knew Bill Hader was this smart.

                                                        • Raghav Chauhan
                                                          Raghav Chauhan  3 weeks back

                                                          I hate the other guy with a weird accent

                                                          • Olivier Planchon
                                                            Olivier Planchon  3 weeks back

                                                            If life emerged from nothingness at the bottom of the ocean 3.8 billion years ago, it must be a continuous process that still happens today right ?

                                                            • Olivier Planchon
                                                              Olivier Planchon  2 weeks back

                                                              May Ling the process will repeat, as you say, but even more, is actually repeating, because it has never stopped !

                                                            • May Ling
                                                              May Ling  2 weeks back

                                                              @Olivier Planchon Life has never emerged from nothing. The first life formed from the self-assembly of chemicals. Given the similar/same conditions, the process will repeat.

                                                            • Olivier Planchon
                                                              Olivier Planchon  3 weeks back

                                                              That is not the point. The point is : does life still continues to emerge from nothing in these environments ? There is apparently no reason why it would not.

                                                            • May Ling
                                                              May Ling  3 weeks back

                                                              It does, all life forms continue to evolve.

                                                          • NSPcrazY112
                                                            NSPcrazY112  3 weeks back

                                                            How did motility evolve? I get chemical reactions that can move bacteria randomly, but what about intentional movement? How did that become possible?

                                                            • May Ling
                                                              May Ling  3 weeks back

                                                              @NSPcrazY112 You are confusing a number of topics. I have answered your questions and explained the process. (inanimate matter is yet one more and a different topic).

                                                            • NSPcrazY112
                                                              NSPcrazY112  3 weeks back

                                                              @May Ling That's how the brain knows something is there. But how are we able to think & make decisions? I want to know what steps specifically led from water flowing along a river to animals being able to choose where to go & what to do. Sure, aside from us, lt's mostly just seeking out food. Smell & sight can tell animals where food is. But how are they able to decide to go after that food to eat lt, rather than just move in a straight line?

                                                              Yes, the brain uses neurons to send signals to nerves & muscles. But from a non-life perspective, how is this possible? What was that evolutionary step that allowed life to go from moving randomly through chemical reactions to moving purposely toward what we want/need?

                                                              Even over billions of years, lt's hard to imagine how inanimate matter can eventually forge lts own paths & become animate.

                                                            • May Ling
                                                              May Ling  3 weeks back

                                                              @NSPcrazY112 https://www.visiblebody.com/learn/nervous/five-senses

                                                            • May Ling
                                                              May Ling  3 weeks back

                                                              @NSPcrazY112 You asking about us? Sight, smell, feelings, hearing are neurological functions. For example, smell, the olfactory neurones in the upper part of the nose generate an impulse which is passed to the brain along the olfactory nerve. That is what tells you the source of some good food when you walk down the block. The other senses act in a similar manner.

                                                            • NSPcrazY112
                                                              NSPcrazY112  3 weeks back

                                                              @May Ling Okay, so we'll remove microbes from the equation. We can see, hear, etc, but how are we able to choose to go somewhere? How do chemical reactions result in sentience in the brain?

                                                          • Srijal Minecraft
                                                            Srijal Minecraft  3 weeks back

                                                            PBS=Physics Biology and ?

                                                          • ICON NSN
                                                            ICON NSN  3 weeks back

                                                            Curiousity killed the cat

                                                            • Maciej Lorentz
                                                              Maciej Lorentz  4 weeks back

                                                              I have already answered this question but we can define life as anything that dies. If it can die that means it's alive unless of course it is already dead and then that means it was alive. A rock does not die because it is not alive. So there we go a perfectly fine workable definition.

                                                              • David Seymour
                                                                David Seymour  4 weeks back

                                                                But why don’t any of these earlier forms of life exist today?

                                                                • David Seymour
                                                                  David Seymour  3 weeks back

                                                                  I understand that point but: we still have bacteria, archaea, eukaryotic cells and viruses still alive today. Yet we don’t have an example of this earlier like that has made it. It at least begs the question of whether life is extraterrestrial in nature. I’m not saying it is.

                                                                • chickenalpaca03
                                                                  chickenalpaca03  3 weeks back

                                                                  @David Seymour the ones from the very beginning of life are ancestors of life today, so they're technically still represented today.

                                                                • David Seymour
                                                                  David Seymour  3 weeks back

                                                                  Most likely, but it’s strange that no examples have survived to today. Most lineages of life are still represented at least in some way

                                                                • chickenalpaca03
                                                                  chickenalpaca03  3 weeks back

                                                                  They evolved

                                                              • Kampu Put
                                                                Kampu Put  4 weeks back

                                                                lol. the experiment showed that non life can become life stuff? where? show us where is the created life out of non life? these darwinian religion is delusional

                                                                • Kampu Put
                                                                  Kampu Put  4 weeks back

                                                                  the fanatics of darwinist religion will believe this by faith. lol. eventhough they havent seen what was created. its a goo, nothing else. the information coded in the dna is nowhere to be found in this soup.

                                                                  • John Oliveira
                                                                    John Oliveira  4 weeks back

                                                                    1 where does life come from

                                                                    2 where does molecules of information which contain code, instructions and etc come from.

                                                                    3 Where did RNA come from.

                                                                    In conclusion life popped into existence 😂😂😂😂😂

                                                                    I’m sticking with God it’s more rational and logical.

                                                                    • Jamie Louis
                                                                      Jamie Louis  2 weeks back

                                                                      JustGamingChair life doesn’t come from non-life mr intelligence

                                                                    • JustGamingChair
                                                                      JustGamingChair  3 weeks back

                                                                      John Oliveira ah yes, you are intelligent. The magical and invisible sky god is the answer to everything.

                                                                  • Cody M.
                                                                    Cody M.  4 weeks back

                                                                    What will be the next great evolutionary leap? How will human kind advance? Will there be another global scale reset on planetary life?
                                                                    Has there ever been a living species which contributed largely to it’s own demise?

                                                                    • Alison Trewinnard
                                                                      Alison Trewinnard  4 weeks back

                                                                      Angry catholics would like to know your location,

                                                                      • calvin masters
                                                                        calvin masters  4 weeks back

                                                                        I counted 15 "could haves" and "may haves". Sounds kinda speculative.

                                                                        • Nate
                                                                          Nate  3 weeks back

                                                                          As he said, we don't have a time machine to check the answer.

                                                                      • Christian Burgos
                                                                        Christian Burgos  4 weeks back

                                                                        -We don't know anything about life but
                                                                        we are so sure about GENDERS-

                                                                        • vinci vedi vici lex talionas

                                                                          The last guy is prescribed Adderral.

                                                                          • Rebel Riot
                                                                            Rebel Riot  4 weeks back

                                                                            I couldn't help but notice that in PBS Space Time's video, Joe uses a red blood cell as an example of a cell with DNA. But red blood cells don't have any DNA, because their nuclei is removed. Was that done on purpose, to see if anyone would catch him?

                                                                            • NUK5TOWN
                                                                              NUK5TOWN  4 weeks back

                                                                              Who’s joe

                                                                            • Paul skirton
                                                                              Paul skirton  4 weeks back

                                                                              Did you know that the odds of a functional protein coming about by chance is 1×10-140. So if the entire planet was a primordial soup choc full of amnio acids you'd still wait the entire lifespan of the universe before you got 1 functional protein.

                                                                              • May Ling
                                                                                May Ling  4 weeks back

                                                                                I only had a few minutes to read the first part of your comment. I replied to that. Now I just read the rest. Obviously, what we have here is a "failure to communicate" ---- (quoting from "Cool Hand Luke") so my "shocking behavior" demands for me just to sign off.

                                                                              • May Ling
                                                                                May Ling  4 weeks back

                                                                                @Paul skirton The experiments (speciation --- evolution of a new species) took place at Harvard and at UC San Diego. The one I participated in was performed at MSU; and is still ongoing. (I am teaching a class now); I will reply a little later with the rest as soon as I get a little break.
                                                                                Lenski, Richard E. (2000). "Source of founding strain".
                                                                                Richard E. Lenski Homepage. Michigan State University. Retrieved

                                                                              • Paul skirton
                                                                                Paul skirton  4 weeks back

                                                                                @May Ling I've no doubt of your credentials. 3 experiments on speciation?
                                                                                Any chance you could link to those papers? I'd be really interested in the method and results of these experiments.
                                                                                I'm aware of Dianne Dodds experiment with fruit flies but I felt the conclusions were weak at best. To conclude that a preference for mating with ones own group was evidence of early speciation seemed erroneous to me.
                                                                                Every group prefers it's own when selecting a mate, even humans, that isn't evidence of speciation.
                                                                                There was the more natural experiment with iguanas (also in the link) but again completely inconclusive.
                                                                                The best experiment for potential speciation has to be dogs, they've been bred for specific attributes for thousands of years and not one case of speciation has been recorded. All dogs can still breed with all dogs even though if you observe their behaviour then it's clear they prefer their own breed.
                                                                                I have watched a lot of lectures by famous scientists on both sides of this debate and a few of them have cited a study again done on fruit flies where direct genetic manipulation was used to simulate speciation but that was a complete failure, all they got was either dead fruit flies, deformed fruit flies or just fruit flies. I can't directly cite that so feel free to ignore it, I only mention it in case it's one you're familiar with.
                                                                                I will say this in conclusion, the way you've handled this debate given that you're an ivy league professor is quite shocking. You've not answered any of my questions directly instead you've at best sidetracked and often merely resorted to calling me a religious idiot, or at least intimating it.
                                                                                So I'll ask again, this time in terms that you may find more acceptable.
                                                                                What mechanism does the "lock pick" paper cite to determine when a mutation has hit its mark?
                                                                                How does it get around the lifespan problem?
                                                                                How does it account for the breeding problem?
                                                                                How does it account for the fact that genetic mutations happen slowly but environments change relatively quickly?
                                                                                And for you personally,
                                                                                How do you account for the cambrian explosion?
                                                                                How do you account for the lack of transitional fossils?
                                                                                That should be enough for now.
                                                                                Please understand that I don't suffer from dogma and have changed my world view on many issues when better evidence has presented itself so I'm not asking this with a hard heart.

                                                                                I'm always willing to change my world view based on good evidence.
                                                                                I'm sorry you think my assumptions are without merit

                                                                              • May Ling
                                                                                May Ling  4 weeks back

                                                                                @Paul skirton You repeated most of the incorrect assumptions and conclusion from your first couple of comments; just using different words. So I do not need to repeat my words. The only comment I will make that evolution is a science where the research is only based on the scientific method; to claim otherwise is just being ignorant of the process. Evolution (speciation) has been duplicated in the laboratory on 3 separate occasions; I participated in one of those experiments. Evolution is backed by a warehouse full of evidence, the strongest being modern genetics.

                                                                                I won't continue becasue there is no reason for beating a dead horse. It seems that you are too much invested in religious delusions (you sound like Deepak Chopra), even though you claim to be not religious. I am not on a mission to "convert" anyone to anything I wrote (I just relaxed from a hard day work to converse). My doctoral dissertation is about biology (not what you think). I am glad that I made you chuckle.

                                                                              • Paul skirton
                                                                                Paul skirton  4 weeks back

                                                                                @May Ling to claim consciousness in science is without merit and would need a piece of "tangible" evidence?
                                                                                Back to the Copenhagen interpretation.
                                                                                The double slit experiment is tangible evidence that consciousness is an intrinsic part of reality. This has been proved over and over. The delayed choice experiment proves that Quantum systems don't follow linear time and that effect precedes cause. It is on these proofs I built my model of the world, Klee Irwin and his quantum gravity research team only served to make me aware of E8 and how that fitted In with already proven concepts.
                                                                                Quantum physics is your tangible proof and then some.

                                                                            • sock man2020
                                                                              sock man2020  4 weeks back

                                                                              6:08 I agree sort of, and until the points of saying just life and of rule 4 " this information *must evolve by natural selection*" how about sustainable life instead of just life and this information must evolve not dictating that it has to be natural selection driving the evolution then it makes sense... To me at least thoughts and comments welcome