Are There Lost Alien Civilizations in Our Past?

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When we think about alien civilizations we tend to look into the vastness of space, to far away planets. But there is another incredibly vast dimension that we might be giving too little thought to: time.
Could it be that over the last hundreds of millions of years, other civilizations existed on earth? Indigenous technological species that rose and died out? And that they or their artifacts are buried beneath our feet? What does science have to say about this and what are the implications for us?
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[@kurzgesagt]

You want to learn more about science? Check out our sciency products on the kurzgesagt shop - all designed with love and produced with care. Getting something from the kurzgesagt shop is the best way to support us and to keep our videos free for everyone. ►► kgs.link/shop-158 (Worldwide Shipping Available)

[@darthrevan7231]

Hi I'm a big fan

[@calvinscarvings.66]

Cool

[@bruhbobent]

no thanks

[@Zynirel]

Do multiverse theory please

[@kennard8643]

E

[@sakaarnayak666]

Looking at the quality of these videos, I'm confident that the team behind Kurzgesagt is the "unknown advanced civilization" they keep talking about in all their videos.

[@anitathakur9340]

Ancient Alien Astronaut Theorists say YES

[@dr.strange108]

@@mishan4696 yeah sure genius!

[@anitathakur9340]

@@mishan4696 your channel doesn't even have a video ,bot!

[@pedropedrohan102]

ah yes the duck civilization it has fallen greatly at it's peak it colonized the entire solar system but then a war for bread started and ended almost all of duck civilization and the team behind kurzgesagt is the last known of the duck civilization that is advanced and can talk in human language and they're now beginning their renaissance

[@chandrahasreddy1729]

@@anitathakur9340 lol one of the dialogues from discovery channel in my language is this one

[@therealflo]

“If the government is covering up knowledge of aliens, they are doing a better job of it than they do at anything else.” ― Stephen Hawking

[@michaelbenjamin9045]

Well didn't they say a couple years ago that they have found technology that isn't made here on earth and plus there is other governments that pretty much say they have found aliens or alien technology and that was down in Chile

[@alexsiemers7898]

I’m surprised I never heard that one before

[@FabricioDePaulaIT]

LOL

[@cortster12]

@@michaelbenjamin9045 No.

[@randomthings8732]

god damn right, Stephen Hawking was a great man

[@kieransol]

For me, one of the most sad realizations in life is the absence or loss of information. Not knowing what's out there, what happened in the past, etc. I hope when I die, I get to spend as much time as I want inside a library containing all of the information that's ever existed, and get to watch where civilization goes. Imagine being something that's existed for millions or billions of years, even after humanity is gone. "Humans? I remember humans."

[@owellorge1868]

When we die, there is nothing.

[@Antboi4653]

​@owellorge1868 I'm not religious but, there is no way of knowing, so we can't say for sure

[@nycolascarvalho9307]

I have the same desire. I want to see everything happen and what happened. Damn meat body.

[@attemptedunkindness3632]

**Extraterrestrial Aliens finally make contact, claiming ready to enact trade contract** Alien: "So, you mean to say you are not the 'Reptile Folk of Earth'?" Human: "What? No." Alien: *Shuffles some papers around.** "I see... So, the native and ancient race of Mole Men finally took over the surface world?" Human: "What?"

[@schwarzwolfram7925]

"I mean. You're not exactly wrong, but you're awkwardly way off."

[@gitgudnoobs7917]

"Just assuming something happened, because we don't have evidence against it, is a trap we should avoid." This is my favorite quote from this video.

[@stapleman007]

Indirect proofs: proving negatives since Ancient Greece.

[@shockal7269]

Modern Megalodon believers: "Im going to pretend I didnt hear that"

[@sibericusthefrosty9950]

And that is what being scientific means.

[@marcrolf7640]

Except when it comes to the rapid inflation at the beginning of our universe. There, everybody goes along with it

[@sargon6000]

"Is such a thing even possible? Yes it is..."

[@betterchapter]

Man, I would TOTALLY wanna play a civilisation style game with kurzgesagt graphics!

[@kimngo1629]

ok

[@DomIsDomb]

That would be awesome

[@timfrolov7891]

Do you mean like a Civilization game ?

[@blueyolker4961]

@@timfrolov7891 no, there's a game called civilization

[@Norrie_Rugger]

100% Agreed

[@omgfackdehell]

The quality of the illustrations is insane. Good job!

[@spstiger_de]

I would be very interested to see a video about possible aquatic civilizations. How would they have formed? Just from human history's achievements, how would it compare: how would aquatic agriculture develop, would an aquatic stone age work, manually labouring against water resistance? Could they advance to a metal age under water? What alternative pathways of industrialization and advanced would there be? I am sure you can make a great video speculating and giving it some thought ...

[@Woopor]

In their video on Rogue Planets they briefly touched that subject.

[@astra6712]

If you took the consciousness of a whale or dolphin and planted them into human bodies they’d be exactly like humans.

[@muradm7748]

@@astra6712 lol

[@astra6712]

@@muradm7748 if real large scale studies were to be done we’d know that dolphins and whales have a higher intelligence than chimpanzees and gorillas. And no, we didn’t evolve from either land or ocean mammals.

[@Strob_GD]

@@astra6712 No...

[@Xavierpng]

It's great how Kurzgesagt referenced a renowned marine biologist at 10:35. It really shows how dedicated they are to science.

[@breeze9800]

He's jojo not a biologist

[@HossainulKabir]

@@breeze9800 kujo jotaro is a marine biologist

[@jonathanodude6660]

@@breeze9800 someone hasnt watched jojo

[@breeze9800]

@@HossainulKabir oh I didn't know haven't watched it yet

[@breeze9800]

@@jonathanodude6660 yeah

[@YoungSavage]

My favorite lovecraft stories were always the ones that dealt with ancient non-human civilizations on earth that existed millions of years ago. It really sparks the imagination to wonder about all the things that could've happened in the millions of years that we werent around, and also what horrible things couldve possibly brought an end to those civilizations.

[@aarondavis8943]

I don't archaeologists digging up any of the Great Old Ones! Ban archaeology! And ban shovels!

[@deesnuts4993]

Can you please suggest any stories from Lovecraft that have that theme

[@henrycarpenter5733]

The shadow out of time is one of my favourites

[@NTNG13]

@@deesnuts4993 Shadow out of Time or Mountains of Madness

[@101110101]

@@deesnuts4993 mountain of madness.

[@animeadderall9394]

Loved the video! Also kurzgesagt style Jotaro in the ad at the end was a cool touch

[@spindash64]

I feel like just before mass extinctions would be the most logical place to look for signs of advanced ancient civilization, simply by virtue of there being very little that can destroy such a civilization without ALSO having massive ramifications for other species. That means, from my understanding, the 2 biggest points to check would be the Great Dying and the KT extinction: we have evidence that Early Synapsids showed complex social behavior, which is a key piece of civilization: while Cephalopods are incredibly intelligent, I have seen little evidence of social behaviors in them, which means any findings or ideas made by one will die with that cephalopod. And I don’t know whether any other groups of animals have showed the same level of social complexity as Amniotes have. It’s not impossible, but it’s less likely. As cliche as it is in Speculative Evolution stories, the KT extinction seems like the best point to start looking: an asteroid impact would be effectively impossible to stop without a space program, and we actually see signs of reduced biodiversity among ceratopsids at the very end of the Mesozoic compared to earlier in the Cretaceous. In addition, Birds, while not heavily established like in the Cenozoic, DID exist for a significant portion of the Mesozoic, along with very close relatives, and modern birds like Corvids have shown uncanny intellect and social capabilities This is all hypotheticals, mind you, but if we need to start looking somewhere, it’s probably our best bet

[@kishascape]

That's assuming there even was a native civilization. If anything advanced were to have been here if would've just been an outpost similar to what we have in Antarctica which would vanish shortly after leaving it due to nature.

[@jamesgaines7048]

I had a professor in college who thought about this topic. He said he thought the presence of big oil and gas deposits disproved any prior industrial society - they would have found them and used them up, like we're doing, and they don't regenerate fast enough to hide it.

[@OmDahake]

oil deposits are 180-200 million years old that still leaves more than 2-3 billion years that we do not know of EDIT: Also the way we calculate age is by comparison something we found to its surrounding and then that to ours and the estimating it which can get wrong and the older something is less accurate we can guess it's age so it's possible that we could have miscalculated the time when multicellular life began to develop as we have earlier missed parts of life as evidence of it was not found or it's age miscalculated

[@interpretus]

@Don’t read my profile picture ok, i won't then

[@SirBrasstion]

@Don’t read my profile picture I defied you right up until you told me not to subscribe. Then I thought, "Hang on. This is getting serious! Better back off."

[@alexanderrahl7034]

That's assuming they used those as fuel sources, and didn't develope other means of energy production that ran out in their time, resulting in their ultimate decline. Consider the apocalyptic view of a world where oil runs out, and apply that to their civilization where their primary fuel source did run out and didn't regenerate.

[@BB-fd2rf]

@Don’t read my profile picture dont worry- I have zero interest.

[@not_aeo]

These animations are rapidly improving, and yet I thought there was nothing to improve because it's just that good. You guys never cease to amaze me with the quality!

[@jimdpanimation]

Yeah lol,I feel bad for my animation skills after watching this😅

[@Wingedmagician]

I don’t know it’s been A+ marks for a long time now and this is no different. They’re amazing

[@filimonboss22]

German work

[@rishiy6183]

@@Wingedmagician There is more detail and movement

[@PowerEd8]

@@jimdpanimation Don't feel bad! they have a dedicated team, they are still improving, this not only their passion, but their occupation! Do you work as an animator of some sort? Imma check yo stuff out, its bound to be better than mine and many others, or any of my buddies, me and some of my friends can barley draw stick figures, and that's only for the nostalgia XD Edit: Just saw a roundhouse mma kick i belive from ya channel, Its a bit "slow" but sht is smooth! keep grinding fellow internett person!

[@rileyhedrick3377]

Y’all are some of the best theorists and educational channels ever. Keep up the good work kurzkesagt!

[@andycx2]

These videos are amazing. Some team they must have. Keep up the good work 👍

[@AlanGardner3]

For industrial level civilizations, I can imagine we would find evidence of their existence on the moon, given its geologic and atmospheric stability. Being industrial enough to send resilient items there would be relatively easier than being a civilization who could find those tiny artifacts. Maybe someday we will be advanced enough to be able to rule out certain kinds of civilizations in the solar system simply by seeing no evidence of them on smaller stable bodies like the moon.

[@henrypaleveda7760]

if tehre were a predating space fairing civilization, that'd be a great place to look, thanks for bringing that to the conversation!

[@jamesgabor9284]

It would be so interesting if one day scientists at NASA find a remnant of an ancient civilization on the moon, like the gold disc we put in voyager, which could have any number of details about a species

[@andrewrendon7789]

I had similar thoughts, but I don't think even that would be a guarantee. Like, I can't imagine equipment from the Apollo missions surviving an asteroid impact near their location.

[@DeJayHank]

@@jamesgabor9284 I'm thinking that statistically, with the information we have right now of how rare life is, it's probably even more likely that would happen than us finding it anywhere else in space first

[@jamesgabor9284]

@@DeJayHank life exists in the universe, but we only have one example; us. If anything is anywhere, it’s here.

[@delzosmith9240]

I wish I could do more to show my appreciation for this video in particular. It was quite refreshing and made me think

[@OuroborUC420DG]

Thanks for the idea. Awesome video.

[@page2828]

I've thought about this before. It's sad that we simply can't know some things and I do hope we find a way to learn more about the past in the future. Anyway, JoJo's reference at 10:40

[@eloycneto]

Thank you! Someone had to say it. xD oraoraoraora... ORA!

[@johannseifert8300]

Yare yare

[@justanerwinwhoisdioforfun6847]

Can't believe our favourite KZbin channel is run by men of culture

[@stefanandrejevic2570]

Whenever I think I'm the dumbest person on the planet, I remember jojo fans exist

[@wordlessgamer42]

Oh, you're approaching me!?

[@DragonGalvy]

while it's always nice to imagine other life forms that use their brains in a similar way to ours such as on Star Trek, what often seems to get overlooked is that you don't always need to be able to build cities for your species to continue for a very long time. For example, the crocodiles. If we do find life in other solar systems one day, I would expect most of it to be non-technological. I once heard something like "Evolution doesn't have to produce the best, just what's good enough" and it made sense.

[@justinwarthen]

If we find life in the universe, it’ll most likely be single-celled, or appear so different that we are unable to recognize it as life

[@lenaalt2387]

tardigrades...

[@RedRocket4000]

the under the ice ocean moons could have fairly advanced creatures but being in water be stopped at simple tools at best.

[@RedRocket4000]

@@justinwarthen real easy to recognize life it reproduces and spreads it would have to be exteamly slow in reproduction to even have a chance of us missing. No reason over time single cell will not advance in set systems. Stoppers are in gas planets no materials to make hard tools. In under the ice oceans no dryness to use heat to create tools.

[@scromly1169]

Really cool comment thanks for posting it! I definitely agree. Videos such as these tend to take the stance that life will progress the same as humans, which I don’t blame considering it’s the ONLY source of information we have that we can trust on “advanced civilizations,” but who’s to say in the countless number of ever changing variables, a species will develop and grow in a way that we couldn’t even perceive? The world is weird. Rocks are weird. And space is weird. Life is bound to be even weirder.

[@evrioin204]

Great respect for your work, Thank you very much.🙏

[@TheBeefTrain]

I just want to congratulate you on these animations. They're beautiful. I can barely use Excel so this is nuts to me that someone can make this.

[@penzlic]

This reminds me of one chapter in "2010: Odyssey two" where A.C. Clarke talks about civilisations on bottom of Europas oceans that could never prosper because of (among other things) lack of invention of fire and (this kept me sleepless) fact that in sea all of your enemies can "fly" rendering any fortification based defence useless.

[@molybdaen11]

I always found that opinion strange. I mean - you surely can find chemical reactions under water too. Also there are a lot of natural vulcanos you can exploit for smelting. Not to mention that it would not to difficult to access the oxygen above the water, as easy as holing a stick out of the water.

[@kolofs]

the walls are breathing

[@Attackbow1566]

@@molybdaen11 Europa's oceans are covered in ice: thick ice. They would be completely trapped under the surface. And the abundance of movement options underwater would make avoiding predators by making wall and villages moot, and that's a major driving force of societies.

[@sd-ch2cq]

@@Attackbow1566 i don't understand the argument: lots of marine animals hide in caves or dig themselves in in the sand or use abandoned shells of other species to shield themselves

[@j3sion]

@@molybdaen11 Well you can stand two feet (60cm) from molten metal and not feel a thing. Good luck doing it under water. Water is great heat conductor, even volcano that is 800 degrees hot won't help you make advanced machines.

[@conner3508]

You bet that if this scenario ever happens with humans, and the future aliens are looking at our remnants that they’re 100% going to get rickrolled at some point

[@thegranddipshidiot4917]

Thinking about that has made my day 100 times better

[@maliharahman8954]

@@thegranddipshidiot4917 ikr

[@johnxina1635]

If a human from 500 years ago saw our technological advancements we have today, they'd also see us as aliens.

[@Dragoninja26]

and if they don't get rick rolled then we've failed miserably

[@derealized797]

Actually for a long time now, I've been wondering if what people think are aliens, are really just a much older species that originated here on earth. Maybe they left before some major disaster or mass extinction event and haven't been able to return here since. It would make more sense than the explanations people give for how they got here. Event horizon, wormholes interdimensional blah blah... but why though? wouldn't it just be easier to say they came from right here? Why not? They've always insisted on them being from so far off it's ridiculous

[@ofatiota7475]

"Engineers flooding land to build wet cities, their poets reciting poems in a language of colorous" i love how damn poetic this videos can get ❤️❤️❤️ im a absolute fan of kutzgesagt

[@govindsharma8698]

I'm hooked! this channel is amazing

[@beavismount]

There was a cool short story in Niven's "The Draco Tavern" where an old alien revisits Earth and recalls an intelligent civilization that lived here before there was oxygen in the atmosphere. Then the alien laments the loss of those people over a drink. That concept always stuck with me.

[@x0myspace0x]

Larry Niven is one of my favorite sci-fi writers. His stories are always extremely unique, detailed and fascinating.

[@abandonedaccount123]

Rick Astley is one of my favorite songwriters.

[@eragonlindemann7236]

@@abandonedaccount123 12 yo💀

[@jaydonovan6387]

@@eragonlindemann7236 Aliens are demons and Fallen Angels they run the earth with Satan, we were all kicked out of Heaven thats why were on the earth with a death sentance. That being said Jesus is real he was God and not a religion. Thats why if anybody truly tells Jesus they believe he died for them and their sorry for the sins they have committed he will answer them the problem is at this point your supposed to keep seeking Jesus by working on giving up sin by examining your behavior daily and reading the bible, praying and giving thanks for your food. God will teach anybody and answer them daily don't be like the rest of the world get saved today you will see God will answer you if your serious:)

[@KouNagai]

man i want to read it so bad. İt is too sad its not published or translated in my country :(

[@bowiemtl]

Whoever made the 3d animation at 8:05, huge thumbs up! The 3d animation in the video is subtle but things like the shaders look really good along with the 2d animation

[@leonox7313]

Thanks :)

[@nzgkilla]

@@leonox7313 Was it really you? How can I contact you?

[@leonox7313]

@@nzgkilla No i'm just a random dude sorry

[@Exc4Iibur]

@@leonox7313 lmao

[@nitusingh393]

@@leonox7313 lmfao 😂😂

[@minecraftoutrage]

Even though we're alone so far, it's nice being alone with you guys

[@peppermomint]

LET ME OUUUUUT

[@hellaszerencses8915]

I feel super extra lame having tumbled over these videos only today. What a gem! How accurate, visual and beautiful. Thank you so much for this hard work, this should be school material!

[@noel1626]

Kurzgesagt always tackling the most intriguing questions that we never knew we needed answered

[@mishan4696]

*Kurzgesagt - In a Nutshell IS FUUU, MY CONTENT IS WAY BETTER* . *

[@tej9305]

@@mishan4696 o

[@mrkswc]

@@mishan4696 do we care?

[@lexsanders212]

@@mishan4696 hahaha what content?

[@shockwave_edits9568]

@@sarahmedouni8844 yes they did

[@LiamWarlord]

Reminds me of a conversation with an old geology professor of mine, he pointed to coal reserves as evidence against previous industrialized civilizations on Earth. Coal is geologically unique because it was formed when plants figured out how to make cellulose and for a long time nothing could break it down. Coal was formed when these massive piles of old cellulose would catch on fire. This meant all coal on earth was formed in this tiny period, and will never be regenerated, unlike oil. The prevalence of coal for our civilization indicates that there hasn't been a civilization that used coal before.

[@viedralavinova8266]

And how do you know that there weren't other ways to power an industrial civilization? Time also erodes everything, so any evidence would be gone by now unless it was exceptionally preserved

[@mrb692]

So all we know about this hypothetical alien civilization is they either came before coal, or didn’t use it. That certainly narrows it down lol

[@LiamWarlord]

@@viedralavinova8266 I didn't say that. I was just saying that there is a lot of evidence that previous civilizations have not used coal.

[@LiamWarlord]

@@mrb692 +1

[@PurgPurg]

So are there now things that can break down cellulose that didn’t previously exist, is that what you’re saying? And that’s why coal will never be regenerated?

[@anel3423]

The animation consistently impresses viewers with its top-notch quality, particularly in the Agricultural and empire segment, never failing to meet expectations.

[@farronstrob]

who makes the beautiful amazing animations😍😍 everytime im watching this eye think about the amount of time this must’ve taken

[@TakeThatRage119]

"Just assuming a thing happened because we don't have evidence against it, is a trap we should avoid" Applicable to many things in our society.

[@pts_]

That's how religions are made lol

[@centurionoomae1543]

@@blitz_mg5950 cope harder atheist. I see people like you as a disease for not being able to respect other peoples beliefs. Not every Christian is an American Christian despite what you might think.

[@m.b8259]

@@centurionoomae1543 Honestly, atheists always looking for every opportunity to disprove religion smh. Would rather believe theories based on further theoretical evidence from rocks rather than solid credible evidence from people who lived and collected information long before us. Edit: information long before us.

[@centurionoomae1543]

@@m.b8259 I personally dont believe in any major religion on earth really. I was baptized in an orthodox Christian church and do honour a few traditions, but I've found myself to be a little lost, I do believe in a higher power, whether that is God or something else I'll have to wait and see after my passing.

[@centurionoomae1543]

@@m.b8259 but religion spreads good values, and is important for connecting communities. Twitter is the result of atheism and is likely what society would be like if not for that community bond (which is kind of happening in the UK and US I think)

[@punkst3r]

3:46 this is a really cool animation, I love the way they limited the framerate, either manually or artificially to makes it seem like an actual timelapse.

[@fregyt]

Yes their dudes animating this in AE know exactly what they are doing. Gorgeous details like this, perfect colour choices and of course cute references like jojos at the end. Can’t get better than this (kurz and lemmino are best content creators )?

[@alexheschuk9429]

What's the difference between manually and artificially limiting the framerate?

[@fregyt]

@@alexheschuk9429 manually would be drawing less frames than normal, artificially would mean doing it in the editing software

[@jhhggygghchdlfyggxzgdltfugc]

@@alexheschuk9429 None. Both words indicate a product of human intention.

[@kehbab]

@@fregyt lemmino has hardly any animations

[@yourself88xbl]

I love this as it expounds upon an idea I've pondered for a long time

[@c.rutherford]

This is like the most mind blowing suggestion ever. Never heard anyone discuss it before

[@titan_o7]

I just wrote an 8 page paper on inorganic life and “life as we don’t know it” for school last week. I found the entire concept so fascinating. I’m happy to see another Kurzgesagt video on alien life!

[@captainp.2721]

Press x to doubt. Also, who cares boy?

[@titan_o7]

@@captainp.2721 Seeing as you took the time to respond I think it’s obvious that you do. Regardless, try and not be an asshole, I think you’ll find it much easier to be happier with your life. I hope you find someone who loves you one day! Cheers!

[@fridgegremlin5496]

Hey, this sounds rad. Can you share some of what you learned/came up with?

[@captainp.2721]

@FridgeGremlin Dissociated unfused nuclei, fluid inertia, angular momentum, and mobile disco to name a few.

[@titan_o7]

@@fridgegremlin5496 I mostly wrote about non carbon-based life and concepts. Things such as how plant life on Earth could have been purple millions of years ago due to a simpler precursor to Chlorophyll that is a purple pigment. How aliens on low-gravity planets could be hundreds of feet tall and trees could be just as tall and bigger than redwoods. How silicon-based life would be able to resist colder and hotter temperatures (including liquid magma) and derive their energy by breaking down rocks and could have lifespans of hundreds of thousands of years. Cosmic plasma could also be a form of life as well and could form into crystal structures resembling DNA and could exist in the rings around Uranus. Just touching on some already-existing concepts.

[@gergelylukacs5315]

The team at Kurzgesagt has been visibly advancing their animations and style in their latest videos. Just look at those frosted glass effects and 3D renders! Amazing, information-packed video, as always.

[@walkman8461]

I had to rewatch that part. It really was stunning

[@mikeknight1778]

time stamp ?

[@tbird81]

Jesus man, stop drooling over them. No one likes a sycophant.

[@snazziington]

@@tbird81 let people enjoy good content, it doesnt hurt you. the crew working on these videos probably appreciate the comments they’ve been getting about the improved animations

[@Ishl]

They also put a Jojo Reference, nice👍

[@genrideon7341]

OMG I have been looking for this exact answer to this exact question for almost 5 yrs. I just didnt know how to figure out the answer to this exact question. Thank you so much.

[@XevenYT143]

These videos are so intriguing and inspiring

[@snipermoose2580]

They really take quality over content to heart. The production value and research that goes into each and every one of these videos is absolutely amazing! Keep it up Kurzgesagt

[@mishan4696]

*Kurzgesagt - In a Nutshell IS FUUU, MY CONTENT IS WAY BETTER* . *

[@primalknight]

the phrase youre looking for is "quality over quantity"

[@dailybirkenstock7341]

I felt like the video repeated itself over certain parts and that certain some basic principles went over-explained. they did not bring anything new for us here

[@216trixie]

Hi, and welcome. You are the 400 millionth person to make a comment about the quality of this videos on every single solitary one of his videos. Get a life.

[@elyay7203]

Mf do you me *quantity 🤣🤣🤣

[@jellybean119]

Imagine other alien civilizations that are feeling as lonely as we are in the universe asking themselves these same questions

[@Ruzzky_Bly4t]

Considering how many inhabitable planets there are in the galaxy, the chances of that are very high.

[@masternobody1896]

alien does not exist lol they are dead

[@cedrikmchugh5909]

sus

[@Ruzzky_Bly4t]

@@masternobody1896 You are indeed a "nobody" when it comes to explaining your statements. We barely explored the universe at all, and we have not clue if there are any alien species or not.

[@mattrennie6876]

Well we have the dimension of time as well, its damn near impossible that there are not alien species at some point in time in some xyz coordinate other than our xyz + time coordinate. That is also thinking only as a being in our understanding of space time as well, there could be conscious entities that inhabit planes we are yet to understand. All fun to think about any how.

[@Hourglasshero]

Loved the Luvdisc in the video 💞

[@ohheck6473]

I love how positive kurzgesgat comment sections are, just people praising animation or discussing ideals :) keep it up

[@realismren7832]

Kurzgesagt's Upload has been more consistent and faster compared to the past, But you can even say their quality has only increased! Really appreciate what you guys do!

[@mishan4696]

*Kurzgesagt - In a Nutshell IS FUUU, MY CONTENT IS WAY BETTER* . *

[@diamonddotzip5678]

@@mishan4696 shut

[@diamonddotzip5678]

@Mishan (бог спама) 🅥 also shut

[@TIME12308]

@Mars Couldn't agree more this channel is legendary

[@filgas0892]

@@mishan4696 shut up

[@fernandosantoianni2668]

Here's then another idea for a future video: which animal species may have the potential to evolve to human-like intelligence and create a civilization of their own? I suppose that not everyone, and that there must be some requirements. A video about rogue planets pointed that underwater species may not have fire, and without it the chances to manipulate materials to make durable tools would be severely limited.

[@booqueefious2230]

I think you have go spend millions of years just barely surviving, otherwise intelligence doesn't make much sense. Sharks have been around longer than trees (by the proper definition of tree) and they are basically the same now as they were back then. They dont need intelligence to survive, they do just fine as it is

[@Mill_Jr]

@@booqueefious2230 Yeah, basically any animal species could evolve to that point if natural selection forced them to do so, if they are surviving and thriving in their current state, there would be no reason or way of that happening

[@CountingStars333]

Crow octopus elephant primate

[@Poldovico]

Timberborn has taught me it's going to be beavers.

[@Aviator27J]

@@Poldovico Douglas Adams taught me it's already mice.

[@totemo3424]

The music on this one... So good. Huge props to the music team!

[@mykelhedge7299]

This is something I have long argued for. I think previous hunter gathers are a given, there are currently several species going through their ‘stone age’, and any pre industrial civs would be near impossible to find dependent on age, location and tech levels. There is no guarantee any such civ would have megalithic structures to leave behind, and could have been limited ro small towns, but it would still be huge and have massive implications for life elsewhere

[@RePLaYGamingMixedKid]

Exactly. Once it stops being talked about, it doesn't exist, which is a total logical fallacy in itself. We need to re-approach everything all the time. What it comes down to is whether you're willing to hear another perspective on something you don't know or you're willing to remain ignorant bc you don't understand. (Bro I don't understand either??? why are we fighting???)

[@muradm7748]

There is no other species going through stone age. Also evolution needs time, the animals hundreds of millions of years ago are not same as today. The average brain size of all animal was growing since and I bet it's complexity as well.

[@lalehiandeity1649]

@@muradm7748Not Stone Age per se, but there are several animals today that use tools. And some with intelligence comparable to humans. Any overlap between the two would see the evolution of a second dominant species.

[@muradm7748]

@@lalehiandeity1649 none of them make tools. Using tools != making them

[@lalehiandeity1649]

@@muradm7748 Crows actually do make tools. They alter the shapes of sticks to make hooks, for instance.

[@senseofmindshow]

“Just assuming a thing happened, just because we don’t have evidence against it is a trap we should avoid.” This channel always manages to blow my mind but keep me from going off the deep end into irrational speculation.

[@daichi7989]

Basically most religions

[@EARTH-rg7ec]

@@daichi7989 all*

[@hoppingturtles]

absence of evidence is not evidence of absence.

[@christophkrass6929]

@@hoppingturtles yes, that's the point.

[@christophkrass6929]

I bet many people like this quote without being aware that they just negated their own religious believes...

[@DeconvertedMan]

"We shouldn't use our imagination to trick ourselves into thinking we know anything about our blind spots. Just assuming anything happened because we don't have evidence against it, is a trap we should avoid." Well said!

[@faithinhisblood777]

God gave His Son so we can live through Him and have everlasting life. God loves you! Believe the Gospel of Jesus Christ and be saved! This is the Gospel of your salvation 1 Corinthians 15: 1-4 Moreover, brethren, I declare unto you the gospel which I preached unto you, which also ye have received, and wherein ye stand; 2 By which also ye are saved, if ye keep in memory what I preached unto you, unless ye have believed in vain. 3 For I delivered unto you first of all that which I also received, how that Christ died for our sins according to the scriptures; 4 And that he was buried, and that he rose again the third day according to the scriptures: You can give your life to God right now. Repent for your sins, trust Jesus, and God will give you eternal life. Have faith and say this prayer. "Jesus Lord I know you shed your blood and died for my sins. I know you were buried, and you rose again on the third day. Please forgive me for my sins. I give my life to you Lord. Thank you Jesus for saving me. Amen."

[@worldalternate]

@@faithinhisblood777 ironic

[@DeconvertedMan]

@@faithinhisblood777 exactly what nonsense are you spewing here - none of that has anything to do with the video, the quote, or anything else. this is so incoherent. so detached from reality that I think you are a bot - programed to spam channels with rot

[@misteranonymous5616]

@@DeconvertedMan IRONIC

[@AlbertaGeek]

@@faithinhisblood777 Take your superstitious nonsense elsewhere.

[@codecaine]

Excellent content

[@mrpickmanb]

I spent a lot of time thinking about this throughout my life. I'm glad there's a video outlining the plausibility.

[@selkie76]

By curious coincidence I just finished reading a novel featuring parallel Earths in which sentience arose in different species at different times. It featured things like spacefaring Trilobites, a race of sea scorpions engaged in a constant state of global warfare, post-biological fish who'd uploaded their minds to a global glacier computer, a hunter-gatherer society of advanced dinosaurs, an Earth utterly overwhelmed by a rapid-breeding race of industrialised rodents and a world where Neanderthals out-competed Homo Sapiens. Adrian Tchaikovsky's "The Doors of Eden", should anybody be interested. ^_~

[@thegameexplainer4092]

Spacefaring trilobites! This I've got to read.

[@norlinblack5017]

@ selfie76,,, thank u! I will check it out. It sounds very good.

[@VapourWav3]

I got to take a look at that book

[@Midwinter2]

Thanks for the tip. Will add that one to the list!

[@danielwhyatt3278]

Thanks for that. I’ll check it out.

[@matthewbartlett9222]

I was hoping you would discuss the PETM, a sudden spike in atmospheric carbon dioxide 56 million years ago that led to rapid global warming. While attributed to volcanic activity, it is often used as an analog for understanding our impact on the planet in the present. It's fun to imagine an ancient civilization was really at fault.

[@TheodoreRo]

I learned something new today also because of you. Thanks for mentioning it

[@Youre]

Fun to imagine is how conspiracies start. I reckon it's more fun to find the truth.

[@adrian16281]

@@Youre conspiracies don't really start with misinformation, but rather with mistrust in the government or governmental bodies

[@jamestang1227]

From what I recall from my lecturers who have studied the PETM, it still occured on orders of magnitude longer timescale than current greenhouse gas emissions. On top of that there is increasing evidence it was caused by intense volcanism in the North Atlantoc creating Large Igneous Province.

[@SirJorb]

Another fun possible conspiracy: check out The Great Unconformity, a period between 100 million and 1 billion years long of missing geological records, around the entire planet. If there was an ancient civilization then we'd have no way to know because those records are just gone. Perhaps even... by design?

[@satnamkundalinischool]

The documentary "Ancient Apocalypse" has an interesting take on this. We might have already found traces of an ancient civilisation, but haven't identified them properly.

[@LillyWhiteFairy]

"Just assuming something happened because we don't have evidence against it is a trap we should avoid." Soooo true.

[@Jachael123]

Never would I have expected a JoJo reference in a Kurzgesagt video...

[@Me-lt2tb]

Same...

[@brendendreyer2858]

IS THAT A MF JOJO REFERENCE!?!?!?!!??!?!

[@Drocat]

This is the comment I was looking for lol

[@MoOsHw]

I literally called out, how did they know we're weebs??

[@kars2348]

Well.... Where can I find the red stone of Aja?

[@Liquid278]

“Assuming a thing happened because we don’t have evidence against it, is a trap we should avoid” Kurzgesagt always spitting fire but this is one of the particularly good one

[@ThePowerLover]

_"Assuming a thing happened because we don’t have evidence against it, is a trap we should avoid"_ Assuming that something not happened because we don't have evidence in favour is a trap too... We should just stop assuming so much.

[@haythamcorvo1459]

Funny that this video popped up for me, because a while ago I was speaking to someone about this whole “Atlantis theory” thing and like ancient times and tools, like I mean the pyramids, man? Imagine having a workforce of only humans and some wooden crane-type machines but being able to lift those things? Sites where massive perfectly cut blocks of granite and things like that which we’d even struggle to cut and transportation etc.. Like stones cut so accurately at a time during I think the copper age that WE’D even have trouble a few years ago to cut them as accurately, it’s all mind blowing. Maybe Atlantis and other places like that were thriving societies like ours with maybe similar tech, where natural disasters have also taken their toll much like they have with us modern humans. So, thank you for the video. So long, and thanks for all the fish🍻

[@katharinakammerer7803]

This episode hurts my brain a little 😅 But very interesting to think about, ty ❤

[@amaurystengel]

I remembered when I played the game Chrono Trigger and it blew my mind when, in its story, after the Prehistoric Age they imagined a "Magical Age" that happened before the "Normal History" and everyone had forgotten about it after so much time. Only legends remained. There was an advanced civilization using magic to escape the planet's harsh conditions due to the disaster that eliminated the dinosaurs. But they eventually caused a great disaster to themselves. The survivors started living among the other people and as time went on, rebuilt cities and civilizations. I always loved this idea! But I also thought about the points in the video: how long would it take for a civilization to be completely lost to time, depending on the materials it used and its technology?

[@jackhappens]

The Wheel of Time series has a similar plot. The setting of the present is agricultural, but the people of the past were a highly advanced civilization.

[@antney7745]

It's about time I replayed Chrono Trigger. Thanks!

[@QuantumHistorian]

There's one type of evidence from agriculture/empire civilizations that wasn't mentioned in the video. Or rather, something similar to it misleadingly applied only to industrialisation. That's homogenisation of species and its rapid spread. There are some particular species (and even sub species) of plants and animals that agricultural civilizations found more useful than others. Those few species experienced a massive population increase and were rapidly spread across entire continents, and even between them. So if the fossil record shows that a particular genus exists in only one area, and with many different species of it there, in one moment; and in the next layer there's only one species of it left but it's become worldwide, then that is a huge signal that something very unusual has happened.

[@DMVCURLS]

Natural Selection could also be a culprit there. Definitely signals something about the environment but could not point to a civilization

[@monsieurnugai]

Did you come up with this point on the spot just now? Or are you some kind of archeologist/phylogeny type person and this is some kind of common point to use in this subject

[@thebrahmnicboy]

DNA decays.

[@solsystem1342]

All of our crops would die out if we die so you'd expect natural habitats to take back over quickly. We might end up taking out some plant species but that might look like an extinction if anything. Plants also don't fossilize well so you'd expect evidence of animals to survive.

[@Ninjaananas]

That would require the crops to fossilize well enough.

[@NguyenTran-eq2wg]

The soundtrack of this video is weirdly calming =))

[@maki._xx9214]

You should make a soundtrack of the music! It’s so peaceful

[@DarkArtistKaiser]

It really is something many people don't realize is just how old the earth is in comparison to us. We are, in the grand scheme of time, a young thing. I even told my friend that there could of been civilizations before humans and the only reason we don't know of them is cause virtually little survived that showed they existed. While its purely speculation, its a fun idea to ponder.

[@LeOssiTrollterrible]

And he told you that saying "could of" makes you sound dumb ?

[@ryanmclarty1467]

@@LeOssiTrollterrible I also hate "could of", but "makes you sound dumb" makes *you* sound condescending 🙄

[@jaydonovan6387]

Aliens are demons and Fallen Angels they run the earth with Satan, we were all kicked out of Heaven thats why were on the earth with a death sentance. That being said Jesus is real he was God and not a religion. Thats why if anybody truly tells Jesus they believe he died for them and their sorry for the sins they have committed he will answer them the problem is at this point your supposed to keep seeking Jesus by working on giving up sin by examining your behavior daily and reading the bible, praying and giving thanks for your food. God will teach anybody and answer them daily don't be like the rest of the world get saved today you will see God will answer you if your serious:)

[@kingpyrrhusofepirus6686]

@@jaydonovan6387 Why is their always somebody trolling in this comment section?

[@verifeli]

@@jaydonovan6387 Sure, demon and angel are already exist since the earth created, but they live in another realm. Therefore, they're not alien.

[@anniedaynoww]

Really REALLY was expecting Early Holocene sea level rise to be talked about more here. Cities have always existed near coastlines and the coastline used to be 80-150 meters lower than it is today. There's a lot that could be under the surface of our oceans.

[@jaster2639]

The Holocene started around 12,000 years ago. Just about in line with the agricultural revolution. There could be a lot of *human* artifacts hidden for sure, but nothing relevant to this video.

[@milkwater1204]

R'lyeh

[@embreis2257]

your low sea levels are the product of the last ice age, just the blink of an eye ago. this vid talks about hundreds of millions of years. tectonic plate shifting and several ice ages are on another scale. but we have evidence of former life on earth. the dinosaurs were ruling earth 100m years ago and it is hard to imagine they were preceded by something more sophisticated. we know the first mammals shared the planet with the dinos for a few million years but were very small. there certainly wasnt someone intelligent since the mass extinction event which killed most dinos 65m years ago.

[@slevinchannel7589]

@@milkwater1204 I ask around at Random: Anyone wants some neat Scientific Watch-Suggests? Some Sci-Channel to check out or such?

[@milkwater1204]

@@slevinchannel7589 I watch Veritasium and these guys mostly, sometimes I read books.

[@OutOFBasS]

who makes your data stories omg top class

[@uditisinha305]

the music in the end was so beautiful bruh

[@cyrus5958]

I initially thought this was going to be a weird video debunking ancient alien theory. Instead this personally one of the coolest topics I think you guys have covered

[@Ehralur]

It's also the basis for many ancient civilisation theories. Just goes to show, nothing is black and white. Not all scientifically unproven theories are ridiculous. I'd even say more are perfectly plausible, but just impossible to prove or disprove.

[@hedgehog3180]

You did forget one thing that would stay for an incredibly long time and be almost impossible to miss, space debris. Satellites above low Earth orbits will basically stay there forever and so will any satellites we've put in orbit of other bodies like the sun or other planets, probes and other stuff that we've left behind on extra terrestrial bodies can also stay around for very long. Everything that's been left on the moon for example will basically have to be hit by asteroids to be removed and with how much we've left and how low the rate of asteroid impacts is in our current solar system they'll basically stay there forever, immune to biological or atmospheric sources of decay. These things would be obvious tell tale signs of a previous industrial civilization and even if many of the satellites are destroyed due to Kepler syndrome it still wouldn't be difficult to recognize that these are artificial in nature. Any alien civilization that finds Earth before it is destroyed by the Sun will be able to spot and recognize these things and from that can easily extrapolate that there was once an industrial civilization on Earth, following the same logic given that it only took about 150 years from the invention of the steam engine to the launch of the first artificial satellite we can assume that any industrial civilization in Earth's past would probably have developed space technology and as such leave tell tale evidence in the form of satellites. There's of course other things we can look at to say that there probably hasn't been any industrial civilization in Earth's past, for example our extraction of hydrocarbons in the form of coal and oil is very noticeable and we have almost used up the entire supply of oil and have significantly reduced the supply of coal. Given how easy these are to use to power machinery we can kinda reason that just because we find them in amounts that are only consistent with us being the first to use them that probably means that there hasn't been any industrial civilization before us. Our coal deposits for example age back to the Carboniferous and many of our oil deposits started developing in later periods. We know that oil would take at least a few hundred million years to naturally regenerate to our current levels and the kind of coal formation that happened during the Carboniferous can't really happen anymore so we can reason with a lot of confidence that there haven't been any industrial civilizations prior to ours.

[@leeknivek]

Black knight satellite.

[@mei4655]

nerd

[@MoltenSamurai]

Non-nerd 🤮

[@factoryresetbutton]

My guy wrote an essay-

[@yxhyx2768]

Bro just cuz he's smarter than u doesn't mean u call him anerd

[@parenabnoosi3142]

Love your vids

[@jermoose1527]

the music in this one is amazing

[@howard_phillips_lovecraft]

This topic is exactly what H.P. Lovecraft wrote about. Ancient alien civilization living on Earth millions of years before Mankind. At the Mountains of Madness is the best example of them all. Extremely good book, really recommend it! 👍

[@ArpanGuhaTBG]

The fun part is there are conspiracy theories based on perfect pyramid shaped mountains in Antarctica at 78°21'S and 160°30'E from the Falcon Scott expeditions, based on which Lovecraft might have drawn inspiration and the current closed off access to the region.

[@jaydonovan6387]

Were in the End Times, Jesus is real he was God and not a religion. Thats why if anybody truly tells Jesus they believe he died for them and their sorry for the sins they have committed he will answer them the problem is at this point your supposed to keep seeking Jesus by working on giving up sin by examining your behavior daily and reading the bible, praying and giving thanks for your food. God will teach anybody and answer them daily don't be like the rest of the world get saved today you will see God will answer you if your serious:)

[@mrklutzy6191]

@@jaydonovan6387 reasons why I hate Christians. They always act like jehova witnesses with being overtly pushy instead of contributing to a convo like a normal noncult person

[@aizen9693]

@@jaydonovan6387 I reject the holy spirit :)

[@phutureproof]

@@jaydonovan6387 Dude if you gonna copy paste that shite everywhere at least get your spelling right, we're! the very first word of your drivel means past tense, so I guess I can ignore the rest of it since it's it the past right, pillock

[@SunGodNikaJoyBoy]

It's interesting to imagine that intelligent life could've developed on Earth independently numerous times, it would change everyone's perception of reality if there were any

[@mishan4696]

*Kurzgesagt - In a Nutshell IS FUUU, MY CONTENT IS WAY BETTER* . *

[@SetAnrk]

I've had this thoughts. That somewhat an advanced human civilization nuked the earth(the meteor that killed the dinosaurs). So they could cleanse earth and start it over lol. just thoughts.

[@julius43461]

I find it disturbing mostly.

[@etlttc353]

@@julius43461 why ? because only humans are allowed to have large amounts of neurons ?

[@bryceaustin4995]

@@etlttc353 I'm guessing it's more of the notion of being trapped in an 'endless cycle of life and death, civilizations aand species rising and ultimately falling.' Deal. Which is pretty interesting to think about but also disturbing.

[@alpacaofthemountain8760]

Amazing video!

[@ShortFuseFighting]

i still cant make peace with the fact of how oddly endearing this art style is...its simultaneously sterile in a very corporate way but also full of life and personality. its minimalist but has so much hidden detail that makes the whole thing work.

[@kamkokos]

I appreciate how far your animation has come. The "panoramic" shifting shots like the Great Wall bit are miles ahead of what you were showing a few years ago. I love it.

[@Pax.YouTube]

And that shadow at 0:35. Amazing.

[@0o0ification]

I like that this thought experiment did a lot to address the challenges of bias in case studies, even without being explicit to the topic. A lot of assumptions (e.g.what to study) are not beneficial to empirical investigation, but turning an assumption into a valid hypothesis for study is simply scientific. Wie immer, danke schön Kurzgesagt

[@graxthal]

My friend Doug says this video is so good!!

[@margaretcowles3998]

Very nice video!

[@TheKennoarkkan]

10:45 mandatory “is that a jojo’s bizarre adventure reference?!?”

[@wxrlp]

*10:35

[@Ganghamstelty]

10:35 nice jojo reference.

[@SirCamWA]

Jojo!

[@jaydonovan6387]

Were in the End Times, Jesus is real he was God and not a religion. Thats why if anybody truly tells Jesus they believe he died for them and their sorry for the sins they have committed he will answer them the problem is at this point your supposed to keep seeking Jesus by working on giving up sin by examining your behavior daily and reading the bible, praying and giving thanks for your food. God will teach anybody and answer them daily don't be like the rest of the world get saved today you will see God will answer you if your serious:)

[@jaydonovan6387]

@@Ganghamstelty well here's the thing God called me to be a witness for the end times. I'm not your normal Christian God pick me up out of this world show me the truth and called me to be a witness. This channel promoting aliens totally fake. It's a deception their programming the people. Why do you think I chose this channel to comment on. Now before I was saved by God I used to believe in aliens I saw some crazy stuff myself. That's because this world is demonic it's the demonic realm the magic is all real the demons are all real it's all real even monsters. Now the world is deceived now you mentioned a bunch of bible stuff the Bible says the Earth is a prison. The Bible says that you've been exiled to work out your salvation and fear and trembling. Bible actually says we're the aliens yep we were kicked out of heaven God told me personally when I got saved. God also gave me clear instructions to preach the rapture which is when God removes his church he gave me three dreams. God gives me dreams every night. God said in the end days he will pour out his Spirit on his people old men will dream dreams I haven't stopped dreaming since I got saved. Now my dreams are full of instruction and they're to the point. God is not the author of confusion. Now I'm not the only one called to be a witness many people are crying out that were in the end times what do you think coronavirus is for. You think they shut down the whole world over the flu cuz they care. No they were seeing how much control they have over the world because they need to take it over for the mark of the beast. If they really gave a s*** they would have shut down the world for AIDS and cancer and gave us the cure. Either way you seem to know the Bible I'm not here to fight with anybody I'm just like I said here to be a witness. If anybody wants to escape God's judgment that's coming to the Earth all they need to do is repent their sins to Jesus and then have a daily relationship with him by reading the Bible praying and examining their sins daily. God will show them like God showed me the Bible says if anybody lacks wisdom let him ask God 🙏

[@jaydonovan6387]

Well here's the thing we're living in crazy times and I found out the truth and so I'm called to share it. When my sister died I cried to God and God woke me up you made me look for the truth and it wasn't like I started out looking for God. I saw a whole bunch of crazy stuff on the earth I looked into reptilians and aliens and all that stuff. But I also saw that the celebrities in the world leaders sold their soul to the devil and that was the really the truth. Cuz we live in Satan's kingdom this is what I found out they even sing to Lucifer in the Vatican. I saw testimonies of heaven and Hell and I knew those people weren't lying. So I repented my sins at home to Jesus and he answered my prayer. Then when I gave up sin God showed me the rest of my sins cuz I didn't know. Thank God showed me we're living in the end times and to tell people. God also showed me that there's going to be a Rapture where he's going to remove his church. That's why I chose this alien platform because I know that that's going to be the deception of the Earth. That's why they're saying all this stuff about aliens now they're getting people prep to believe in them but aliens are just demons. The stuff is all real we live in Satan's kingdom. So here's the deal Jesus isn't a religion he was God in the flesh and if you go in your room and you tell God that you believe Jesus died for you and you're sorry for whatever you think you did wrong and mean it and you're not going to willfully sin God will 100% answer you and you won't be deceived by the world anymore. At this point it's your job to have a relationship with God you do this by working on giving up your sins that's why you're supposed to examine yourself daily. Then you read the Bible pray which is talking to God and give thanks for your food. Follow these simple instructions and God will 100% tell you what to do and you'll know 100% that you're saved and going to heaven and you can't buy that there's no better gift in the world so make sure you get saved because Jesus isn't a religion he's a relationship and if you don't have one with him you're not going to heaven that's why we're in times everybody rejects God and ends up going to hell don't be like the rest of the world God loves you

[@parshuram11023]

Thanks for making me addicted to good things ❤🙂

[@ZoneShowUS]

I recall playing SIM earth and having the same idea... What a great game that was.

[@jamestk656]

There was an interesting German sci fi book a few years back (can't remember the title) where an ancient earth civilization existed and was then erased through a Great Filter event of their own doing due to a runaway nanotech reaction, either by accident or war. No evidence of their civilization remained since their nano machines converted all of their processed materials into their base elements ("gray goo" scenario). It was the first time I've ever really considered how little time our species has actually spent on this Earth compared to how long it's been around.

[@peterkiraly1058]

Or there's the Voth civilisation in Star Trek Voyager :) they are intelligent dinosaurs who evolved on Earth, likely made FTL travel possible and left for the Delta Quadrant :)

[@huntzzio]

I want to read whayever this book is

[@user-jb6mq7kw7q]

Name of the book?

[@jamestk656]

@@user-jb6mq7kw7q I just looked it up. It's called "Lord of All Things".

[@user-jb6mq7kw7q]

@@jamestk656 Thank you, it seems very intersting.

[@cloudking2k]

To see how short we’ve been an industrial civilization, yet how much damage we’ve done already, is mind blowing.

[@vincentsavoretti2201]

Congratulations, you've somehow missed thirty years of climate change talk

[@chrisbartleet4885]

What?

[@Exxperiment626]

Westerners ruined the world.

[@IDACism]

India? China?

[@cloudking2k]

@@IDACism humanity

[@iNuchalHead]

Unlike many YT videos, this one gives me something to think about.

[@user-fr9ye8wt9t]

do you create this score(music) yourself because it is amazing I couldn't even make something like that.

[@jamesforgie6594]

I’d actually been wondering about this. Like, if there were another civilisation that caused the Permian extinction they’d be so far into the past that we might never know. Of course, we can’t say that did happen, but it’s certainly an interesting thought.

[@Lowseeds]

First!

[@user-vk7zv3he1m]

this comment section is cancer

[@jamesforgie6594]

@@user-vk7zv3he1m it truly is. At least it’ll be adding to the… I can’t think of the word. It’ll be boosting engagement. Making more people see the video, hopefully.

[@xyzzyxyzzy2]

If a technological civilization had existed 250 million years ago, there would be evidence of it. Like the fact that they would have likely burned up all the coal in their early days, and that didn't happen. Or they would have left various chemical and radioactive traces across the planet that we could still detect.

[@robertjarman3703]

The Permian was caused by other things that were natural, a chain reaction starting with lava in Siberia. But the premise of what you say makes sense.

[@BlasphemousMoons]

This video came right in time. I'm reading At the Mountains of Madness, and the idea of ancient civilizations right at our doorstep is fascinating. Civilizations that disappeared quickly without leaving a trace because earth was so unstable back then and all their knowledge lies beneath thick layers of ice...

[@cthulhuwu_]

Lovecraftian horror is uniquely fascinating

[@earthknight60]

Pick up a copy of Jan Zalasiewicz's *The Earth After Us What Legacy will Humans Leave*. It looks at the question this video is asking, but from the perspective of the remains we leave behind. That can be used to assess the same question for the possibility of non-human civilizations on the planet.

[@lalehiandeity1649]

I love the Jotaro Kujo cameo at the end. 👍

[@BeleIsinIcineSicam]

The Industrial Aliens part reminds me of End Permian extinction. It fits very well if you ask me. There was a very big extinction event after which genus Lystrosaurus exploded in number for a few hundred thousand years so much so they were the most numerous organisms on the planet. There are higher traces of rarer elements in end permian sediments that give it a distinctive red colour. I know it is unlikely but it is fun to speculate.

[@bigmonkey1254]

"Two possibilities exist. Either we are alone in the universe or we are not. Both are equally terrifying." - Arthur C. Clarke Correct me if I misquoted or something. I love this quote. I feel like sometimes, not too many people realize the frightening possibility that we just happened to be the only species as complex as us that we will ever meet.

[@suvahomescape4665]

They are bad becuz you only see it badness

[@enigmatic9118]

I have never understood why people like this quote. Why is either option terrifying?

[@SolidSnakeFromMetalGear]

@@enigmatic9118 Well, if there are not any people, we will never find anyone as complex as us, and we all know how terrifying being alone can be. However, if we're not, there's always the option these extraterrestrial species would be agressive, and because those species are unknown, we fear them. Just like we fear the deep ocean, we fear space. We fear the beyond. We fear the afterlife. We fear there being no afterlife. We fear the unknown, so we fear these unknown species.

[@Goaw2551]

@@enigmatic9118 if we are alone is space, we are pretty lonely in this massive universe. if we are not alone, the other civilization might kill us.

[@bevvvy1374]

@@enigmatic9118 If there aren't aliens, then that means we're the only intelligent life in the universe and any hope of advanced civilization surviving rests solely on us. If aliens exist... Do I really need to spell that one out for you?

[@LaughingMan171]

Watching this video it brought up the question for me: what about changes in plant life? The human agricultural revolution dramatically changed all of our food crops through selective breeding to increase yields in order to sustain growing populations. If there had been other agricultural societies before us, wouldn't we see evidence of this in plants with surprising yields predating human breeding?

[@dabs4270]

we wouldnt see them in the wild currently, as they would die out or would reverse back to normal once the civilisations stopped planting them, but maybe we would see it in fossils

[@w3t_wlpes]

@ Don’t read my profile picture Sure!

[@ishantripathi9707]

Interesting

[@cinemacan]

You're right, but I think it would be pretty hard to tell. Because many agricultural products today cannot exist alone in nature without human support. A product that has been genetically modified in a laboratory environment will be more industrial type. So it will probably be more difficult for him to survive alone in nature. Agricultural crops that survive by selection rather than genetic engineering might achieve this but I don't think it will be easy to distinguish them either.

[@imadeyoureadthis1]

@Don’t read my profile picture don't read mine either.

[@antoniomatos8316]

'Their poets reciting poems in a language of colours'. Beautiful

[@Unknown-jt1jo]

The disintegrating hominids at 3:10 sent chills down my spine!