Why Alien Life Would be our Doom - The Great Filter

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  • Published: 01 February 2018
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    Finding alien life on a distant planet would be amazing news - or would it? If we are not the only intelligent life in the universe, this probably means our days are numbered and doom is certain.
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    Why Alien Life Would be our Doom - The Great Filter

Comments • 33 197

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    • Carlos Arroyo
      Carlos Arroyo  2 일 전

      Kurzgesagt - In a Nutshell why is conquering the galaxy the last step. there is a whole universe to conquer and possibly even more universe’s outside our own. Wish I was immortal 😓

      • Elizabeth Macey
        Elizabeth Macey  4 일 전

        Kurzgesagt - In a Nutshell omg where do you get this utter crap?!

        • Moawik4
          Moawik4  14 일 전

          I think there are many Filters

          • qp12qp
            qp12qp  20 일 전

            @Nabarup Ghosh Because every time someone goes back in time to a certain point in the past, a new time-branch is created at that point, that leads to a new time continuum i.e sort of a new parallel universe, so the original version of yourself doesn't see the time-travelers, only your new version does, in the new time continuum. The fact that we haven't see them, is because most likely we are on the original time continuum! OR, if we are not on the original time continuum they have visited us, but under cover due to the laws preventing them from interfering too much. One thing is certain: even if they cannot visit us on the original time continuum, they can see us with TV-like devices (like in the movie Deja Vu (2006) with Denzel Washington).

            • Nabarup Ghosh
              Nabarup Ghosh  21 일 전

              Why doesnt anyone from the future come to us...... if in future we make a time machine........

              • OmegaZechips
                OmegaZechips  12 시간 전

                1:15 *BIG BRAIN*

                • Taxtro
                  Taxtro  13 시간 전

                  Why should we be able to see whether other star systems are inhabited?

                  • Jack Niere
                    Jack Niere  13 시간 전

                    I refuse to believe we can’t move past this. I know we will, and find extraterrestrial intelligence on the way

                    • Ethan Jensen
                      Ethan Jensen  15 시간 전

                      3:41 no it isn't. You just won't admit how unlikely it was for life as we know it to have started existing.

                      • Nick Price
                        Nick Price  15 시간 전

                        Some advice for Kurzgesagt writers: When writing about quite speculative topics, use less certain language.

                        • challenge gaming
                          challenge gaming  15 시간 전

                          if its ahead of us were next..

                          • ComedyChris
                            ComedyChris  15 시간 전

                            9:00 why is your cursor so big

                            • Elijah Simmons
                              Elijah Simmons  18 시간 전

                              Is anyone now thinking about how small and insignificant we are?

                              • Diamondz Wynn
                                Diamondz Wynn  18 시간 전

                                Maybe there is an intergalactic organization regulating how planetary systems can interact with others. Maybe one of their rules is not to interfere with less advanced civilizations. It is just as we don't interfere with those tribal people living in the Amazon.

                                • Max Lee
                                  Max Lee  18 시간 전

                                  Technology destroys the earth before it allows us to leave it Could be global warming, AI, nuclear war, Kessler syndrome, ect.

                                  • technical guys
                                    technical guys  19 시간 전

                                    if you believe god aliens exist

                                    • Aaron Khan
                                      Aaron Khan  19 시간 전

                                      Nobody: Life at 1:16 : YEAH THIS IS BIG BRAIN TIME

                                      • Lúzia A Morta
                                        Lúzia A Morta  20 시간 전

                                        If such filter exist how do you know that ALL civilizations agree with this? If Such thing existed how do you know that no one ever put an stop to it, and that the reason whe hadn't been contacted is because someone made it illegal in order to it never happen again?

                                        • James Roman
                                          James Roman  20 시간 전

                                          If the Great Filter exists it would definitely be behind us. If the great Filter was ahead of us then their would be other planetary species that we could observe. Personally I believe there is no filter, I think the monstrous size of the universe limits what we can and can not see. Even if human could travel at the speed of light we could really only travel 40ish light years in any direction. That isn't very far...

                                          • william fitzpatrick
                                            william fitzpatrick  20 시간 전

                                            It's in our nature to reach out. It's not necessarily in the nature of other life to reach out.

                                            • Okamura Productions
                                              Okamura Productions  21 시간 전

                                              It’s the Sayans.

                                              • Fo Fo
                                                Fo Fo  21 시간 전

                                                I hate to break it to you, but it looks like we are gonna destroy ourselves.

                                                • STE4MZ anims
                                                  STE4MZ anims  21 시간 전

                                                  Oooooo, so like if there was other intellegent life we wud have to compete or be outmatched xd. OOOF

                                                  • Sina Zarin
                                                    Sina Zarin  21 시간 전

                                                    "All we see is dead space" *Isaac takes out his plasma cutter*

                                                    • A Quispe
                                                      A Quispe  22 시간 전

                                                      So what I'm hearing is ... PURGE THE XENOS!!!

                                                      • Slime4kL
                                                        Slime4kL  22 시간 전

                                                        1:16 *BIG BRAIN*

                                                        • Alex Kramer
                                                          Alex Kramer  23 시간 전

                                                          Since we already have so many structures and evidence of our existence send out into space (satellites, space stations, ships but also artefacts like the disc with mathematical information about earth) it would be likely if there would have been millions of other life forms before us that we would have found something similar

                                                          • Yeet McSkeet
                                                            Yeet McSkeet  일 전

                                                            If we found aliens wouldn’t we probably die of diseases or the other way around?

                                                            • jeff5kyb
                                                              jeff5kyb  일 전

                                                              the filters are: we take more than we give back we have discrimination no equity we have superior complex we are selfish and greedy, it's all about monetary value

                                                              • eva_ am22
                                                                eva_ am22  일 전

                                                                At 3:07 We aren't lucky God chooses that for us And if there's another civilization in universe,,, it will be only if God wants ☺️😊 . . . Peace ❤️

                                                                • Wretched Lazarus
                                                                  Wretched Lazarus  일 전

                                                                  What if there's intelligent life close to us but they feel that they would be interfering with our collective evolution if we observed them?

                                                                  • Trash Can
                                                                    Trash Can  일 전

                                                                    If you really think about it we are aliens our selves I always wonder how did life on earth start here?! Obviously we were all in space once before earth came up, what if aliens are just waiting for a planet they can survive in?!

                                                                    • Trash Can
                                                                      Trash Can  일 전

                                                                      If all we say is “There’s Oil on that Planet America!” Then America will be there in a flash

                                                                      • SQUISH Emre
                                                                        SQUISH Emre  일 전

                                                                        Aramayın o zman amınıza koduklarım :d (edit:lütfen türk çıksın)

                                                                        • Nekoback
                                                                          Nekoback  일 전

                                                                          Time to clap some alien cheeks

                                                                          • Engelbertus
                                                                            Engelbertus  일 전

                                                                            okay but this logic is based on the theory that we ourselves evolved out of earth life. but what if we are ancestors of an alien civilisation, injected into earth’s DNA to produce a crossbreed that could survive here, and all that we’ve achieved is because we’ve adapted to do so on another planet? what would this say about the great filter? it would erase all logic in this video - maybe we realize we are the endproduct of colonization and destroying ourselves wouldn’t matter cuz we are destroying ourselves on other millions of planets at the same time... it would take away this goal of the human endeavour, to colonize the universe, cuz that goal would’ve been reached already

                                                                            • Asha Bryant
                                                                              Asha Bryant  일 전

                                                                              I'm supposed to suspend reality and believe that intelligent and conscious life forms emerged from unintelligent nothingness, gradually making engaging in decision-making (unknowingly) to become better, stronger, and more complex. I'm supposed to believe that humans and other life forms used logic that we created during our evolution to program ourselves with code so complex that we still do not fully understand ourselves or the world around us. There is no design or program without an engineer. I do not subscribe to religion, but I am also not naive enough to believe that intricately designed and complex creations create themselves. Oh and then I'm supposed to believe that simply because we cannot detect other intelligent life, it doesn't exist. Nevermind the limitations of our technology to detect life in other far-reaching parts of the universe. Yes, let's continue to allow the scientific and medical communities to do our thinking for us, disregarding any agendas they might have. Let's continue walking blindly into the future of gmo's, toxic cancer treatment, addictive prescription medication, air pollution, water pollution, factory farming, forest clearing practices because hey...they know what's best, right?

                                                                              • Brandon White
                                                                                Brandon White  일 전

                                                                                So if intelligent life like humans came to earth, would we have to attempt to destroy it?

                                                                                • Just A Man
                                                                                  Just A Man  일 전

                                                                                  Greatest filter is: Life is not that easy at all. Life is rare. So rare that exists only on our planet.

                                                                                  • Just A Man
                                                                                    Just A Man  일 전

                                                                                    Alien life is pure fantasy

                                                                                    • David Tinney
                                                                                      David Tinney  일 전

                                                                                      Yes we started from a soup of dead cells????? Okay!!!!!!!! Ha ha (cough) Hhhhaaaaaaaa.. dead cells rearranging themselves in stable and resilient strains?? Really I did hear and read the captions correct?right? Just wow dead cells rearranging themselves, they are dead!!! They can't rearrange anything..you do know what dead means right? .........dead...haaa!...cells...(laughs inwardly)...idgits....

                                                                                      • David Tinney
                                                                                        David Tinney  일 전

                                                                                        Hahahahahahaaaaaaaaaaaa. The step we took that was impossible was the dead cells rearranging themselves...HAAAAAAAAAAAAAA. I wonder why it was so hard to achieve or take that step.... Maybe cause they were dead.

                                                                                        • DMaster
                                                                                          DMaster  일 전

                                                                                          I think that we are aliens that came from space or heaven because why are we the lucky ones with life on this planet i think we took this planet and that war was the one that made us forgot who we are and this happen twice with another human type species that we fought and why do you think that we are the last humans species on earth just homo sapiens and not the other ones

                                                                                          • ItzTheBoi - FwdAsslt And Moree

                                                                                            Hi i am a high position science student these videos can help everyone depends on their interest on what they want to learn please upload more videos (only if can do) to give more knowlege or to develop the learning of science to students i also learned many things in these videos keep up!

                                                                                            • Augusto Wang
                                                                                              Augusto Wang  일 전

                                                                                              Literally *roblox's chat filter* .

                                                                                              • jam
                                                                                                jam  일 전

                                                                                                Why would it mean our destruction to find other highly intelligent lifeforms? Wouldn't thay suggest that they too overcame the barrier, if there was such a thing?

                                                                                                • mosta72
                                                                                                  mosta72  일 전

                                                                                                  how could life just.. happen?

                                                                                                  • Vary Olla
                                                                                                    Vary Olla  일 전

                                                                                                    It didn't. It instead represents the cumulative impact of eons of chemical reactions whereby elements combined and recombined countless times to form increasingly complex structures. Add to that the likelihood of Panspermia as we have ample evidence of interstellar bodies pummeling the Earth over those eons - bringing things with them from other planets and Stars = to add to the mix. So things rarely "just happen" and facile attempts to characterize them as such undermines all such arguments. The Universe is infinitely complex. Have a nice day.

                                                                                                    • Alfred Overgod Life

                                                                                                      What if we just kill the rest of the intelligent life? Except us.

                                                                                                      • Ferdinand Louise
                                                                                                        Ferdinand Louise  일 전

                                                                                                        Or it might be the Reapers

                                                                                                        • jamesblunt006
                                                                                                          jamesblunt006  일 전

                                                                                                          We're in the middle of the great filter. 6:53 says it all. We're depleting and fighting over resources, we're starting runaway chain reactions in the climate. It's highly probably that every intelligent civilization gets to these problems. If we don't solve the climate problem VERY SOON, we're on the best way to make the planet uninhabitable. And the bad news is, we're not even remotely close to solving the climate problem. Say hi to the great filter! It's coming very soon, you and me might see it live in action.

                                                                                                          • oskaaa ar
                                                                                                            oskaaa ar  일 전

                                                                                                            We are so dead lol

                                                                                                            • aaronl19
                                                                                                              aaronl19  일 전

                                                                                                              Fuck

                                                                                                              • Khaliff Limba
                                                                                                                Khaliff Limba  일 전

                                                                                                                My theory is that the aliens have a cloaking device so we don't see them

                                                                                                                • Purple Fox
                                                                                                                  Purple Fox  일 전

                                                                                                                  Well aren't you just a big box of positivity

                                                                                                                  • LushiousLapisLazuli

                                                                                                                    I fear that the horrible truth is that it really only takes a few million years for a dead intelligent civilization to have its presence erased by time. Structures on the surface most likely collapse, decay, and erode into nothing in time. Structure in space may drift off or deorbit in such time periods as well. To find ruins to gauge how close we are to the filter may not be so reliable. There could be no ruins, or almost every world we see as habitable could've have a civilization like ours, only to leave no obvious trace.

                                                                                                                    • lorge bean
                                                                                                                      lorge bean  일 전

                                                                                                                      Aliens are humans but from the future. If they kill us, their past is destroyed and their existence is warped. They know better than to charge a full on attack, because they have no idea what weapons we possess. They have seen what we have done to earth and now they are scared of us.

                                                                                                                      • Finsterhund
                                                                                                                        Finsterhund  일 전

                                                                                                                        This video makes a lot of assumptions about the potential lifeforms being a bit too similar to us considering they would have evolved entirely outside of how our life evolved. What's to say that our process to become multi-cellular beings isn't completely foreign to how it is accomplished on other planets for instance? "it's in the nature of life as we know it to reach out" Yeah, emphasis on "as we know it" and the whole "it's very likely that this is a universal principal for civilizations no matter where they're from" but is it a fact? No. Not every human civilization was like Britain stealing everybody else's islands and I imagine alien life would similarly have this variety. You mention that big brains might be rare because they can be useless to survive and they take up too much energy. Maybe the very way that our life spreads is similar and Earth did it the hard/inconvenient way in this instance too. What I'm trying to say is that the very nature of how our life thrives could be well, alien, to how the potential other lifeforms are. Our ability to see into space is so very limited that it wouldn't be too hard for another advanced species to hide from us and while it makes logical sense to Earth life to spread to be as big and all encompassing as it possibly can, that might not be true for others. We evolved to be competitive, but I don't think that's inherent to all potential life. I think another very probable theory is that we are being actively prevented from finding other life. There might be a species so far advanced beyond us that we can't see them intentionally making it appear to us that the filter is there in order to isolate us from other life. Why? Who knows. We could be a laughing stock to a race of beings made out of a type of matter we can't even detect yet. Wanting to feel like we are special is a very human trait. That we're either the first to get where we are or we're the only ones to make it through. Maybe we just don't have the means to search far enough yet?

                                                                                                                        • Andeemations
                                                                                                                          Andeemations  일 전

                                                                                                                          Me: *but what if they're peaceful*

                                                                                                                          • Carlos Dias
                                                                                                                            Carlos Dias  일 전

                                                                                                                            Or an advanced civilization from ages past ended up creating such inteligent machines that they were wiped out. Now, those machines lay dormant and hidden waiting for the next cycle to come to an end.

                                                                                                                            • Jakub Valigura
                                                                                                                              Jakub Valigura  일 전

                                                                                                                              I still don't understand why aliens would need water to survive, where does that come from? Maybe they need some different source than us that is not water.

                                                                                                                              • GabAndVinz
                                                                                                                                GabAndVinz  일 전

                                                                                                                                1:36 are those the warriors of cuteness from adventure

                                                                                                                                • Kevin Zee
                                                                                                                                  Kevin Zee  일 전

                                                                                                                                  Great filter is superbugs. Every advanced species will discover antibiotics in an attempt to live longer.

                                                                                                                                  • Wyld Stealer
                                                                                                                                    Wyld Stealer  일 전

                                                                                                                                    I don’t buy this garbage

                                                                                                                                    • I dont wanna use my name

                                                                                                                                      We've only been alive long enough to realize were not special

                                                                                                                                      • Terrell070
                                                                                                                                        Terrell070  2 일 전

                                                                                                                                        Perhaps the great filter, if it exists, is behind us, but we're not the only lifeforms to pass said filter. It could simply be that the nearest species to get past it is too far away for us to detect at this time.

                                                                                                                                        • Doug Fishback
                                                                                                                                          Doug Fishback  2 일 전

                                                                                                                                          Maybe by the time you're smart enough to colonize space, you're also wise enough to realize it's not worth it.

                                                                                                                                          • Aaliyah Terangi
                                                                                                                                            Aaliyah Terangi  2 일 전

                                                                                                                                            AM I THE ONLY ONE LOVING THEN FOR ADDING IN A TAKAHE

                                                                                                                                            • Mustasched Flamingo shorts

                                                                                                                                              More eficantly than wat

                                                                                                                                              • Theorem Zaw
                                                                                                                                                Theorem Zaw  2 일 전

                                                                                                                                                Other life forms are probably feared by us as well thinking we’ll take over their world.

                                                                                                                                                • Jon Trickel
                                                                                                                                                  Jon Trickel  12 시간 전

                                                                                                                                                  Theorem Zaw if they could get here they could almost certainly annihilate as fast as the desired. We’re not dead yet

                                                                                                                                                  • Ricez
                                                                                                                                                    Ricez  2 일 전

                                                                                                                                                    we're either alone in the universe or we're not.. both are haunting

                                                                                                                                                    • Li Li
                                                                                                                                                      Li Li  2 일 전

                                                                                                                                                      This is what I learned from a sci fi novel, these rules are called the Dark Forest Rules 1. Survival is the key of a civilization 2. Civilizations need to expand 3. When two civilizations meet, they don’t know whether each other will attack or befriend 4. The risk of attack is more likely because civilizations wished to expand, and finding a planet that can provide life is good news because it means that planet can be colonized 5. because of the risk of being discovered and attacked when meeting another civilization that is more advanced, civilizations must not risk being found or discovered 6. Therefore, civilizations are hiding, and the earth not advanced to understand the universal laws above

                                                                                                                                                      • Cozy Corner
                                                                                                                                                        Cozy Corner  2 일 전

                                                                                                                                                        0:00

                                                                                                                                                        • jep ulis
                                                                                                                                                          jep ulis  2 일 전

                                                                                                                                                          Bold claims about Milky Way planets and nothing to back it up on .... Or did you check those 100 billion planets? Just love when ignorant people make science videos to youtube that contain mistakes that are spotted by 7 year olds :D

                                                                                                                                                          • alyssaaa_ _
                                                                                                                                                            alyssaaa_ _  2 일 전

                                                                                                                                                            people raiding 51: *o h*

                                                                                                                                                            • 之間倏
                                                                                                                                                              之間倏  2 일 전

                                                                                                                                                              IDK why, but people always assume that all existences' ultimate goals are longer life, reproduction and expansion.

                                                                                                                                                              • Patric Sauer
                                                                                                                                                                Patric Sauer  2 일 전

                                                                                                                                                                Was ist das unwahrscheinlichste?

                                                                                                                                                                • SecretLars
                                                                                                                                                                  SecretLars  2 일 전

                                                                                                                                                                  I think if humanity found life then it's time to nut up or shut up.

                                                                                                                                                                  • Creepy
                                                                                                                                                                    Creepy  2 일 전

                                                                                                                                                                    Bruh, just walk around the filter. It isn't that hard.

                                                                                                                                                                    • Carlos Arroyo
                                                                                                                                                                      Carlos Arroyo  2 일 전

                                                                                                                                                                      A.I IS PROBABLY A FILTER 🤔

                                                                                                                                                                      • Wise
                                                                                                                                                                        Wise  2 일 전

                                                                                                                                                                        Maybe we have but this is why they don’t tell us-