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The Whole Saga of the Supercontinents 

PBS Eons
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The study of natural history is the study of how the world has changed but Earth itself is in a constant state of flux -- because the ground beneath your feet is always moving. So if we want to know how we got here, we have to understand how "here" got here.
Thanks to Nathan E. Rogers, Julio Lacerda, Franz Anthony and Studio 252mya for their illustrations. You can find more of their work here: 252mya.com/licensing
Produced for PBS Digital Studios.
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References:
www.mantleplumes.org/WebDocume... → Hess’s first paper proposing seafloor spreading
courses.washington.edu/ess502/... → Vine and Matthews’s first description of mirrored magnetic anomalies
www.tulane.edu/~sanelson/eens... → Class notes from Stephen Nelson @ Tulane on the history of discovery and mechanisms of plate tectonics
www.indiana.edu/~g105lab/1425c... → Additional rundown on the mechanisms of plate tectonics
www.whoi.edu/sbl/liteSite.do?l... → Biography of Marie Tharp
www.iisc.ernet.in/currsci/oct2... → review article of pre-pangaean continents
doi:10.1038/ngeo1069 → Paper linking the P-Tr extinction to Siberian Traps volcanism lighting coal on fire
dx.doi.org/10.1144/SP326.4 → Very solid reconstructions of Rodinia and Pannotia
www.le.ac.uk/gl/ads/SiberianT... → review of the potential and probable causes of the PTr extinction, as well as some discussion linking the TrJ extinction to the rifting of North America away from Pangaea
science.sciencemag.org/content... → TrJ extinction linked with North American rifting
web.archive.org/web/200804131... → Future continents
• Continental Drift: 3.3... → Basic animation of continental movements
• 300 Million Years of t... → Animation of Pangaea Ultima (although video called it Pangaea Proxima for some reason)
books.google.com/books?id=apA...
citeseerx.ist.psu.edu/viewdoc/...
people.earth.yale.edu/sites/d...
science.psu.edu/news-and-event...

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11 фев 2018

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Комментарии : 2,1 тыс.   
@SeanAsgari
@SeanAsgari 6 лет назад
it's the *Cambrian Explosion*
@insertinsulthere920
@insertinsulthere920 6 лет назад
Sean Asgari literally sat scrolling through the comments to see if anyone mentioned it
@RendraKusuma
@RendraKusuma 6 лет назад
so funny they referenced it lmao
@billy6044
@billy6044 6 лет назад
use ctrl+f
@StoutShako
@StoutShako 5 лет назад
I half expected airhorns.
@TheRotundRider
@TheRotundRider 5 лет назад
r/unexpectedbillwurtz
@ohno4458
@ohno4458 6 лет назад
Its the "♪♪♪Cambrian explosion♪♪♪"
@marghiecanas9744
@marghiecanas9744 5 лет назад
bill wurtz reference OMG
@buzz10014
@buzz10014 4 года назад
i thought it was the channel oversimplified
@applemauzel
@applemauzel 4 года назад
@Zimmit's FunHouse Adventure It won't be that cheery when you have that explosion after a really spicy burrito~
@applemauzel
@applemauzel 4 года назад
@Zimmit's FunHouse Adventure Ah, I see you're a man of culture as well~
@talhajawed848
@talhajawed848 4 года назад
Moosd
@carlymoore2182
@carlymoore2182 4 года назад
I have been DEVOURING these videos like they are going extinct! Lol I grew up not being allowed to "believe" in evolution and basically everything that is talked about in these videos, but now I feel like I am rediscovering the whole world again! I love how there is so much info packed into relatively short "episodes" and the info provided is easily understandable for us common folks who are craving the learning experience but don't have a degree in the field. You all are amazing for creating these fascinating glimpses into our past and you can count on me to watch EVERY episode! THANK YOU EONS STAFF!!!
@Drahko12
@Drahko12 3 года назад
I know is awesome. From my end is that sadly my school did not teach me any of this that much or the teachers didn’t make it interesting so is cool this channel exists
@robfranklin6412
@robfranklin6412 3 года назад
My discovery of these videos all started with a Starscream video by Lindsey Ellis.
@amaliabarefoot8931
@amaliabarefoot8931 3 года назад
wow .. not many people would be excited to learn, you go girl (or boy)
@oliviajohnson7305
@oliviajohnson7305 3 года назад
I completely understand how you feel - I also grew up in an environment where I was told that evolution and whole chunks of science was a lie. Enjoy these videos!
@TheKaileylusby
@TheKaileylusby 3 года назад
@@Drahko12 if your teacher showed you this video in class you probably still wouldn't have found it interesting
@epauletshark3793
@epauletshark3793 3 года назад
As soon as I get stable footing in my life, I learn the ground is moving.
@yevgeniyaleshchenko849
@yevgeniyaleshchenko849 3 года назад
lol
@Rhiannonganon
@Rhiannonganon 2 года назад
Aww bless you Mr epaulet shark (or miss!)
@introspection461
@introspection461 6 лет назад
Well I was a little surprised. I thought Pangea was the first super continent. Could you imagine a 1st grade class learning about tectonics and the teacher says "the first super continent is Pangea" and then a kid stands up and sais " actually several came before Pangea, one of the earliest being kenorland which formed at the end of the archean era. It's an understandable mistake this was a fairly recent discovery and our text books are only updated every few decades or so😂"
@scaper8
@scaper8 6 лет назад
Speaking from personal experience, the kid will probably be sent to the principal's office. One only hope that the kid's parents are supporting enough of actual learning to back them up and encourage their kid to being in the research and evidence and fight the ignorance as mine were.
@introspection461
@introspection461 6 лет назад
It would depend on how open the teachers is to new information, and how respectful the tone of the child is. If you don't mind me asking, what is it that you corrected a teacher about?
@puncheex2
@puncheex2 6 лет назад
Actually Kenorland isn't quite the ealiest either. Or at least that's suspected.
@introspection461
@introspection461 6 лет назад
puncheex2 so, is it at least the earliest that is confirmed?
@introspection461
@introspection461 6 лет назад
Well if I Remember correctly, my teacher definitely told me it was the first super continent, though I may be wrong, in any case I will continue to correct my knowledge, and attempt to remove as many inaccuracies as possible. You also bring up a good point, we often forget to question the knowledge we where given, which leads to incorrect information, this being a good example.
@thebahooplamaster
@thebahooplamaster 6 лет назад
4:49 Did I just hear Bill Wurtz...?
@enlightedenlightment1065
@enlightedenlightment1065 6 лет назад
yes
@TheRampagingFrodo
@TheRampagingFrodo 6 лет назад
Amazing!
@mirthfulmiasma
@mirthfulmiasma 6 лет назад
no it was something better
@maliaisboring
@maliaisboring 6 лет назад
It's the caaammbrian explosionn
@Petepeatpeet
@Petepeatpeet 6 лет назад
my thoughts exactly
@Cipher71
@Cipher71 4 года назад
4:47 This guy really just referenced Bill Wurtz lmao
@naysebtc
@naysebtc 3 года назад
They’ve done it a couple times. Real recognise real!
@woolycooly9595
@woolycooly9595 3 года назад
hehe i noticed
@catherinephelan2565
@catherinephelan2565 2 года назад
I nearly spat out my water
@KleinesHendl
@KleinesHendl 2 года назад
I realize I'm not the only one always singing "the caaambrian explosion" 😁
@Deeplycloseted435
@Deeplycloseted435 6 лет назад
I really want to thank PBS for this channel. I like many of them, especially Space Time. However, “It’s Okay To Be Smart” has become a ritual viewing with my 8 year old daughter. You have to know that when I was a kid, I would have KILLED to have had access to these videos to learn from. I used to set the VCR to record shows and would rewatch them over and over again. Now my daughter is getting into dinosaurs and learning about Earth History on this channel has been great for her. They get VERY LITTLE of this information in school. This channel is a great resource for kids and adults alike. We usually watch one video, sometimes two at bedtime. Reading books and stories is also great, but watching her mind wonder as she learns about the amazing things that have happened in her world, is just great! My little scientist may choose to follow in her father’s footsteps, maybe not, but that’s her choice. Still, its great that we can share these videos together, and talk about the amazing people who figured all of this stuff out.
@yevgeniyaleshchenko849
@yevgeniyaleshchenko849 3 года назад
Wow, this is really heartwarming to read, you're such a great family, bless you!)
@laurajames6739
@laurajames6739 Год назад
i dislike name its pretty insensitive to constipated people. Next time think about what you say before you say it. Lots of love laura xx
@holnrew
@holnrew 6 лет назад
"Euramerica" No YOU'RE America
@georgeb.wolffsohn30
@georgeb.wolffsohn30 4 года назад
Sounds like tag.
@appleslover
@appleslover 3 года назад
Russia: *IT'S **_OUR_** AMERICA*
@newkat3731
@newkat3731 3 года назад
everybody gonna be america.
@tametabby
@tametabby 3 года назад
I thought I was lesbian????
@yevgeniyaleshchenko849
@yevgeniyaleshchenko849 3 года назад
Lmao
@freshysqueeze
@freshysqueeze 6 лет назад
You guys put so much work into these videos even though you don't get a lot of views. I love these videos so much and they definitely deserve more attention for how amazing they are. :)
@brunosouza3326
@brunosouza3326 6 лет назад
The channel is fairly new, i'm sure they'll be getting millions of views soon enough.
@EmmaDilemma039
@EmmaDilemma039 6 лет назад
My thoughts exactly. There's lots of click bait videos about prehistoric creatures and time periods, but these videos are the best I've found so far.
@jonathanclark5240
@jonathanclark5240 6 лет назад
I think they also get seen on the PBS and their subsidiary sites, like OPB. But yes! This info should be common knowledge--so glad it's easily available now.
@GetMeThere1
@GetMeThere1 5 лет назад
I agree. This is exactly the stuff I want to have out there: the opportunity to see and learn a lot in a short period.
@therighteousmoose5036
@therighteousmoose5036 4 года назад
Yeah this channel is awesome
@hollowvoices1268
@hollowvoices1268 4 года назад
Nobody: Earth: "THIS ISN'T EVEN MY FINAL FORM."
@DrReginaldFinleySr
@DrReginaldFinleySr 3 года назад
It's over 4.5 billion!!!!!
@twistedtachyon5877
@twistedtachyon5877 3 года назад
Would that be "charred by an expanding sun" or "cast adrift in space", then?
@neB282
@neB282 3 года назад
It’s final form is a dying black hole
@autismman6360
@autismman6360 3 года назад
@Tazzy World No one asked
@yevgeniyaleshchenko849
@yevgeniyaleshchenko849 3 года назад
Lmao
@AlexWalkerSmith
@AlexWalkerSmith 6 лет назад
I’m so proud of Bill Wurtz for sparking an interest in the history of our planet. It looks like Eons has embraced it as well! Bill gave the Cambrian Explosion a jingle that has shoved the term and concept into the category of “common knowledge”. :’)
@fingernailclipper2152
@fingernailclipper2152 6 лет назад
I guess the plate tectonic theory was “ground breaking”
@angieduncan8417
@angieduncan8417 3 года назад
Ba dum tssss
@Classica2010
@Classica2010 3 года назад
:clap: :clap: and that's a fact
@joerionis5902
@joerionis5902 3 года назад
This needs more likes
@kevinhurd4258
@kevinhurd4258 3 года назад
Give that man the clap!
@justanotherhomosapian5101
@justanotherhomosapian5101 3 года назад
Omg🤣
@l0lLorenzol0l
@l0lLorenzol0l 6 лет назад
Fun fact: H. P. Lovecraft heard of the Continental Drift theory and used it in his stories, because he loved the concept of entire continents being lost to time. He ended up accidentaly future proofing his tales.
@TheVirtualObserver
@TheVirtualObserver 3 года назад
Love it! H.P. Lovecraft truly was a master of his craft. :’)
@Mona-kg6hy
@Mona-kg6hy 3 года назад
Knowing HP, he probably thought it was terrifying and was like "yeah I have to write about this" lmao
@juanausensi499
@juanausensi499 3 года назад
He was very interested in the science of his time. You can tell he was also keeping up with the new advances in physics and maths reading "The dreams in the Witch-House", where he mentions Einstein and Minkowski by name, among others, and from these concepts he extracted one of his favorite descriptions for eldritch things: 'non-euclidian'.
@JayStorm199
@JayStorm199 3 года назад
@@juanausensi499 didn't he think air conditioners were weird?
@juanausensi499
@juanausensi499 3 года назад
@@JayStorm199 He didn't like cold air currents. At all. That's probably the reason. He wrote a history about this phobia, 'Cool Air'.
@robinchesterfield42
@robinchesterfield42 6 лет назад
"...then you also have to understand how HERE got here!" I love that line. :)
@Patrick_The_Pure
@Patrick_The_Pure 5 лет назад
7:40 Goodbye South Europe, we'll always remember your food.
@nodeberiaestaraqui93
@nodeberiaestaraqui93 2 года назад
@[BosS] HITMAN 20 Not really, It's bound to be hit by Africa and form a giant mountain range in the future
@Banditomojado
@Banditomojado 6 лет назад
Geologist here! Be careful using continental drift when you really mean plate tectonics. The original theory of continental drift was pretty much what it sounds like. The continents just drifting around like ducks on a pond. But plate tectonics takes into account convergent and divergent boundaries as well as things like transform faults, which you covered. Those are the true areas of movement and change. My structural geology professor made sure to correct us when we didn’t use plate tectonics. Just trying to help clarify! Also, you should do something on the history of grass. We look around today and see it everywhere and think that it has always been around. That’s not the case!
@eons
@eons 6 лет назад
Hi David. We made a point (I think) of only using continental drift in the context of Wegener's theory, because that's what he proposed. Plate Tectonics is the theory about the mechanism behind it, which came later. But you're right, they're often mistakenly conflated. So thanks for sharing your expertise! (BdeP)
@Vulcano7965
@Vulcano7965 6 лет назад
Alfred Wegener probably would have laughed at you if one would say to him, the crust gets submerged into earths interior and massive mountain ranges divide the oceans. It is mind blowing to know, that we had no proof of this until the 60s.
@duhduhvesta
@duhduhvesta 4 года назад
David Hahn I second the video on grass
@mandirarai1215
@mandirarai1215 4 года назад
Ahh you remind me of studying this in uni.
@Luke-xx1ri
@Luke-xx1ri 4 года назад
Yes I like smoking grass too🤣 Due to the meat trade grass has become vast.its only going to get worse.there are videos of this on RU-vid use key words to find🤙
@stephenwurz
@stephenwurz 6 лет назад
Eons is such an amazing series. Thanks to everyone whose hard work goes in to creating it. (I dig the Bill Wurtz reference, by the way!)
@symbolotali
@symbolotali 3 года назад
RIP wegener, they weren't ready for the truth u were spitting 😔✊
@sarwaankk
@sarwaankk 2 года назад
Man was genius
@maxfochtmann9576
@maxfochtmann9576 2 года назад
He vanished during a flight over greenland.
@matthewbernobich9413
@matthewbernobich9413 4 года назад
"the notion was so outlandish..." you guys crack me up
@elcabbage2306
@elcabbage2306 6 лет назад
Was the way he said Cambrian a reference to that beautiful Bill Wurtz video?
@SophiaAstatine
@SophiaAstatine 6 лет назад
I think it was. And it made me so happy.
@venomissocute3448
@venomissocute3448 6 лет назад
Yes
@vampyricon7026
@vampyricon7026 6 лет назад
+
@wingusmcdingus8115
@wingusmcdingus8115 6 лет назад
Gabe Grothaus yes
@JPFanBoy2
@JPFanBoy2 6 лет назад
Not the first time they've referenced it either.
@noah480
@noah480 6 лет назад
4:49 Was that a Bill Wurtz reference?!?
@tubebrocoli
@tubebrocoli 6 лет назад
soap
@pedrolmlkzk
@pedrolmlkzk 6 лет назад
HELL YEAH
@jairiske
@jairiske 6 лет назад
Aaaaww yeah
@nataliagonzalez1698
@nataliagonzalez1698 6 лет назад
They could do without it. I prefer it the way it is.
@dontask2421
@dontask2421 6 лет назад
It was horrible.
@grizmizzle
@grizmizzle 5 лет назад
This channel is so good. It's become the way I start every work day over breakfast! It's good to recognise that vastness of our world and the depths of time we owe our lives to over toast. I would really appreciate an episode covering a (mostly) complete rundown of human's evolutionary ancestory including LUCA, Cynodonts, and all the rest. I want to know who to be particularly grateful to. Thank you for your beautiful work!
@TenThumbsProductions
@TenThumbsProductions 6 лет назад
Kenorland would be a sweet band name.
@SmokeyChipOatley
@SmokeyChipOatley 6 лет назад
TenThumbs Productions ... I was into Kenorland before it was cool. The Earth... before the Earth was cool from the first major ice age.
@robinchesterfield42
@robinchesterfield42 6 лет назад
As would Laramidia.
@arthurdent6828
@arthurdent6828 3 года назад
There was a band in Australia named Pangaea. Not sure if any of the other super continents have been done. I have played with the idea of using Sahul as a band name. That's one of the technical names for the continent of Australia incorporating Papua, which hardly anyone seems to know about. Can I play bass in Kenorland?
@noliyoshida7486
@noliyoshida7486 3 года назад
Or a theme park for Knorr
@SkywalkerSamadhi
@SkywalkerSamadhi 3 года назад
Then we would have two bands sharing names with ancient Earth terms.. the first being Coheed and Cambria of course!! The most underrated band of the 21st Century.
@mysteepulcine2510
@mysteepulcine2510 6 лет назад
Wow I didn't know about supercontinents before Pangaea. So cool. And the pacing was much better this time. Thanks!
@kindlin
@kindlin 6 лет назад
I had always wondered about this. As pangea was only ~200mya, what happened in the other 4 billion years? I guess all this started going down around 2.5bya ago tho. This was a fascinating video.
@uTubeMeltsYourBrain
@uTubeMeltsYourBrain 5 лет назад
Pacing can maybe be difficult when you’re trying to summarize billions of years in under ten minutes
@notlikely4468
@notlikely4468 4 года назад
Well to be fair.... If you're studying the continents based on BIOLOGY not geology (Fossil evidence) Then Pangea would be your start Everything before that was really just a rock surrounded by pretty much dead ocean
@nachodorito6955
@nachodorito6955 2 года назад
Unfortunately what he says in the end that humans will diverse doesn’t have a strong point to us because we can move by water, land and air. Even a mass extinction event wouldn’t because we’re to adaptive and our brains are fragile but highly advanced. If we picked apart “races” and said culture can change we all eat of the same sources through trade with other Homo sapiens. We all have the same bone structures and move a lot compared to other species of hominids in the past. The color of our skin is similar to how different dog breeds have different colors of fur. There not adaptations towards climate change lol. I’m the next million years we would change integrity but our appearance would be mostly tan with chocolate or blonde hair colors and brown eyes being the dominant trait aside from blue eyes. So really everyone going to look Asian and African with underlining features of an Caucasian.
@cz2301
@cz2301 Год назад
@@uTubeMeltsYourBrain i think they speed up their videos, to make them fit the 10’ mark. I always set the speed to 0.75 when watching Eons’ videos. It takes me time to absorb the contents. It’s a science channel, not a frigging horse race, damn it lol
@jivejunior8753
@jivejunior8753 6 лет назад
Natural history is often taught as if it were a progression toward humanity. As soon as eukaryotes, then fish, then tetrapods, then mammals evolve, the focus leaves the rest of life forever, only to focus on this small branch of life's tree. So far, this show has gone against that convention, and I hope it will never fall to that level again.
@kaizokujimbei143
@kaizokujimbei143 3 года назад
I believe it is called anthropocentrism.
@simonmasters3295
@simonmasters3295 3 года назад
I'm not sure. The new Geology with its emphasis on Biology (or vice-versa) is also a Natural History taught from a perspective that life appears to bring more and more "earth abundant" elements into play as life adapts to it's habitat. O², N, K, Mg, Ca, Fe, Mo..
@natemars9258
@natemars9258 5 лет назад
Thanks for slowing down a bit Blake. Still pretty rapid fire but much easier to follow.
@oqsy
@oqsy 4 года назад
Big love for Blake. He’s my favorite! He’s just so fun to listen to! Thanks for all the great videos, Eons, and especially to Blake for being such an awesome presenter!
@karenpivaral
@karenpivaral 6 лет назад
Oh my... I really love, enjoy and every single word that exists to describe how inspiring is this channel. It's like watching Interstellar
@mulllhausen
@mulllhausen 6 лет назад
the music on this one reminded me of interstellar too
@sawspitfire422
@sawspitfire422 6 лет назад
So glad I subscribed, Its given me a whole new interest I never thought would suit me, but man is it interesting!
@wonderfulfable
@wonderfulfable 6 лет назад
Towards the end of the video when Blake was explaining the future of Earth tectonics, that is when the "Interstellar" music crept in. It just feels so surreal.
@theawecabinet
@theawecabinet 6 лет назад
It's very inspiring, but unfortunately the theory of plate tectonics is incorrect. Continental plates do not slide about and crash into each other. That is ridiculous, they are very big and rooted in the mantle, like giant concrete paving slabs sitting on a bed of clay. Paving slabs do not slide about and crash into each other do they!
@Meganopteryx
@Meganopteryx 6 лет назад
It's the music.
@Taneth
@Taneth 6 лет назад
Gotta love how when referring to the dinosaur extinction, you now have to specify non-avian dinosaurs. I have pet dinosaurs. I ate dinosaur for lunch.
@remliqa
@remliqa 6 лет назад
"I have pet dinosaurs. I ate dinosaur for lunch." Hopefully those two aren't the same.
@DanielHarveyDyer
@DanielHarveyDyer 6 лет назад
I was literally eating a dinosaur sandwich while watching this video. On a related note, my honest and non-trolling top three dinosaurs are 1) Stegosaurus 2) Triceratops 3) Penguin
@TheOneWhoMightBe
@TheOneWhoMightBe 5 лет назад
@@DanielHarveyDyer Budgerigar, Kookaburra, Peregrine Falcon. :)
@gr8oone007
@gr8oone007 4 года назад
You don't really have to, but scientists enjoy being smug about things.
@mandirarai1215
@mandirarai1215 4 года назад
After watching a few of their videos on dinosaurs I kept referring to the chicken at home as dinosaurs for a few days. XD
@ammonite400
@ammonite400 3 года назад
I’m obsessed with your videos, and I usually watch so many of them on specific topics that I don’t really have any idea of the whole timeline of history. Really helpful for me to get a bigger picture!! Thanks for all your amazing work Pbs!
@Frogf1sh
@Frogf1sh 6 лет назад
This channel is my absolute favourite on RU-vid. Awesome subjects, brilliantly explained and well presented.
@mustardsfire22
@mustardsfire22 6 лет назад
Eons is so amazing. Keep doing what you're doing.
@nataliagonzalez1698
@nataliagonzalez1698 6 лет назад
Eons is my favorite PBS show
@Trex-or6cd
@Trex-or6cd 6 лет назад
same I think my second favorite is pbs spacetime. But paleontology is my favorite subject so this show is my favorite.
@SuviTuuliAllan
@SuviTuuliAllan 6 лет назад
Spacetime > Infinite Series > Eons but still pretty awesome
@vampyricon7026
@vampyricon7026 6 лет назад
Spacetime is my favorite but Eons is a close second.
@SophiaAstatine
@SophiaAstatine 6 лет назад
Don't forget the common ancestor of them all. Idea Channel.
@mysticoversoul
@mysticoversoul 5 лет назад
Thank you for your very informative educational videos. Not only do they inform, they correct misinformation or outdated knowledge that may have been acquired earlier over time. I appreciate the time and efforts you bring to your video projects. More power to your organization.
@liamflannery3910
@liamflannery3910 6 лет назад
I love the “history of the entire world, I guess” reference
@azdgariarada
@azdgariarada 6 лет назад
Have you done a video yet on dating methods? I'd love to see a general explanation of how geologists can pick up a rock and say "this rock is this old, or that rock is that old". Which methods work for various ages? What are the effective ranges and limitations of differing methods?
@Wingedshadowwolf
@Wingedshadowwolf 6 лет назад
azdgariarada I'd like a video on this as well!
@azdgariarada
@azdgariarada 6 лет назад
I hear they use Bouldr
@hamstsorkxxor
@hamstsorkxxor 6 лет назад
Geologists do date a lot, but many of them prefer steady, long relationships. Which is not very surprising, as they are generally very down to earth, and don't take gneiss things for granite. They are also accepting of faults, and when schist happens they will be there for you. If you think that sounds boring, be assured that they do know how to make the bedrock! They do throw around a few cheesy pick up lines when dating, though. Had one geologist tell me that if I'd follow her home, I'd be cummingtonite:)
@Vulcano7965
@Vulcano7965 6 лет назад
U238/Pb206 and U235/Pb207 should be fairly known. Those are used for billions of years since the half life of U238 is ~4.5Ga (U235 ~0.7Ga). Other dating system being used are (depending of the type of rock/mineral you use, because not every element is abundant in every mineral) Sm147/Nd143, Lu176/Hf176 (in Ca2+ rich minerals like feldspars) and Sr87/Rb87. The whole procedure might be a little complicated to comprehend when fleshed out tho. Fun Fact: We know the age of the earth not from zircons from earth (the oldest are merely ~4.2Ga), but from the U238/Pb206 Ratios in Chondrites (undifferentiated meteorites) which are to be belived the first solid preticipations of the inner solar system. So when you say: the earth is 4.567Ga old, you really mean: the first rocks that will form planet earth in a million years or so existed at that time. Earth was just a Pebble.
@dundee6402
@dundee6402 5 лет назад
azdgariarada Search "Carbon dating" up
@forreal7403
@forreal7403 6 лет назад
One of my proudest subscriptions
@marvelous1358
@marvelous1358 4 года назад
I love this channel.
@loganlawson1766
@loganlawson1766 6 лет назад
PBS eons - thankyou very much for allowing me to fInd you!! Absolutely love your channel, you deserve to be way bigger then this, which I have no doubt you will!. I just sent this video to everyone in my contacts and told them to subscribe. I hope it helps!!! Much love❤️🙏🏼🍄
@xway2
@xway2 5 лет назад
I love this. I would absolutely watch like an hour long documentary going into even more detail about this. It's really interesting to see what sort of life existed at the time of these various continents, it puts it both the geology and the biology into perspective in a much better way than just saying something existed 400 million years ago or whatever.
@binky2819
@binky2819 6 лет назад
Please do a video on the pseudosuchians! The sometimes forgotten cousins of dinosaurs and pterosaurs that also evolved into huge and terrifying forms.
@somedude140
@somedude140 6 лет назад
I really want to see them talk about armadillosuchus.
@electrichanoi7244
@electrichanoi7244 5 лет назад
@@somedude140 I wanna know about the armoreddildo
@moldytaters4190
@moldytaters4190 6 лет назад
This stuff is just so darn interesting!
@arijitkundu5577
@arijitkundu5577 4 года назад
One of the most wonderful videos from Eons. Many , many, many thanks to all the workers ( in all capacities) of Eons.
@fr4me.01
@fr4me.01 4 года назад
Thank you guys for your work, your vids are really chill to watch in the background.
@kjlk59
@kjlk59 6 лет назад
words can not describe how amazing this channel is like oh my god you guys make me feel like a child again when i used to feel all giddly and excited to learn about the history of the earth, much love from a lone guy in Canada
@cheaterman49
@cheaterman49 6 лет назад
Loved this episode! Blake's voice and narration are awesome, and paleogeography sounds like the forgotten child of natural history :-)
@SophiaAstatine
@SophiaAstatine 6 лет назад
Blake has been apart of SciShow and Crashcourse for so long. All these years and I had no idea how amazing a host he was.
@katipunan4212
@katipunan4212 5 лет назад
or the middle child who went to college before human history was born
@Sacha199205
@Sacha199205 3 года назад
I love digging in your sources after each video so thanks for sharing them ! Your serious work is very appreciated, and I hope this playlist goes on
@shubh.bapi_9423
@shubh.bapi_9423 3 года назад
3:58 When North India is in south and South India in the north.😂
@BaggiBoi
@BaggiBoi 6 лет назад
The six dislikes are from flat-earthers
@wj9855
@wj9855 6 лет назад
Haha! Nice one
@jamesathersmith2191
@jamesathersmith2191 6 лет назад
Most likely
@jasonpyre8572
@jasonpyre8572 6 лет назад
It's funny because of how plausible that actually is
@sogerc1
@sogerc1 6 лет назад
I was gonna say that the 74 dislikes came from religious people 'cause they think Earth was created by God or something.
@andreblanchard8372
@andreblanchard8372 6 лет назад
Could just be people who think humans should not sound like chipmunks.
@gunnar1846
@gunnar1846 6 лет назад
The sun is a deadly lazer.
@Val_Far
@Val_Far 6 лет назад
Not anymore, there's a blanket.
@tibfulv
@tibfulv 4 года назад
The galaxy is a deadly quasar.
@ramondanas7566
@ramondanas7566 6 лет назад
One of the best youtube channels available today. I appreciate all the work guys! Keep it up
@ijaH000
@ijaH000 6 лет назад
Great job running these channels! You do a huge service to humanity.
@lewismassie
@lewismassie 6 лет назад
4:48 That Bill Wurtz reference tho
@HShango
@HShango 6 лет назад
It makes a lot of sense, because whenever earth changes, the living creatures that live on it also change along side it
@JoeARedHawk275
@JoeARedHawk275 6 лет назад
Moses Jonson Yes, the study of it is known as biogeography and is a fact that supports evolution and natural selection
@Kinarr.
@Kinarr. 6 лет назад
They assume continental drift is a proven theory. But there is a newer explanation that this video is unaware of, but also answers the same clues. This theory is that continents did not drift, but that the world grew, splitting the continents apart, instead !
@JoeARedHawk275
@JoeARedHawk275 6 лет назад
Mark Robins Can I see the article or source?
@katipunan4212
@katipunan4212 5 лет назад
@@Kinarr. you lost me at "unaware"
@timvdhorst2398
@timvdhorst2398 4 года назад
Brilliant Series !!!!! Thank you guys/girls for your hardwork and dedication. Super informative and interesting!
@unoriginalusernameno999
@unoriginalusernameno999 6 лет назад
Great content! I used to read Encyclopedias as a kid! They were so cool! Now this. This is much much more effective in teaching! Keep it up mate!
@TragoudistrosMPH
@TragoudistrosMPH 6 лет назад
The land positions relative to the poles and equator were a mind-blowing concept. I could watch an entire series on the continents!
@ngochainguyenvan5942
@ngochainguyenvan5942 6 лет назад
THE CAMBRIAN EXPLOSION
@KatherineSundgren
@KatherineSundgren 3 года назад
These videos are super awesome. They're bite-sized and really capture my attention! I feel like I'm learning more with this channel than I retain from any science course I've taken.
@latronqui
@latronqui 5 лет назад
I've just discovered this channel. How did I live for so long without it!
@mangaluver1231
@mangaluver1231 6 лет назад
Paleogeography is one of my all time favorite subjects; I'm so glad you guys made a video on this!!
@Pellsk
@Pellsk 6 лет назад
I would love to learn more about the evolution of things like eyes, teeth, hearing. I find it very interesting! ! Love this show!
@melissarainchild
@melissarainchild 8 месяцев назад
Your channel is an inspiration, thank you for being here...
@regular-joe
@regular-joe 5 лет назад
The pace of presentation (and content, of course!) is what brings many of us here, and keeps us engrossed, like the Crash Courses and related series. Please don't slow down the pace - others can adjust the speed down as they like, to where they're comfortable.
@perrysanders2899
@perrysanders2899 6 лет назад
Hello. Love these videos. Can you guys do the evolution of mammals and reptiles from therapsids please
@gemmatweedy7585
@gemmatweedy7585 6 лет назад
Also, could you do a video about the history of Australia and New Zealand. I find both continents (Yes, New Zealand is a continent) so fascinating with it's prehistoric birds, penguins and the fact that New Zealand was once completely submerged at one point.
@TheDevian
@TheDevian 6 лет назад
You could check out Aron Ra's series, The Systematic Classification of life, he is working on it. ru-vid.com/group/PLXJ4dsU0oGMLnubJLPuw0dzD0AvAHAotW
@cardinal8200
@cardinal8200 6 лет назад
4:50 was... was that a history of the entire world reference, that’s awesome
@brendarua01
@brendarua01 6 лет назад
This is a wonderful production. The graphics really help support the really nice presentation. Plate tectonics and continental drift have had a big unifying effect in explaining geologic phenomenon. Just one example is the distribution of life across the older continents that we see via paleontology. Thanks for sharing!
@CCumva
@CCumva 5 лет назад
My proudest subscription so far! For some strange reason I enjoy Blake's videos the most. Is it a coincidence or different hosts specialize/prefer and pick different topics ("loving high level things", huh)?
@TragoudistrosMPH
@TragoudistrosMPH 6 лет назад
This was so incredibly satisfying!! Thank you all for taking and answering requests! Absolutely worth the wait!!!
@QUIRK1019
@QUIRK1019 6 лет назад
Love Blake (and Kallie and Hank), love Eons, love the Bill Wurtz reference. Keep up the great work!
@HugsandDrugs420
@HugsandDrugs420 4 года назад
This is so amazing, I kept pausing the video and going back because there is so much info. I asked my bf’s aunt if they were even taught earth sciences in high school and she said no. She graduated in ‘67. This is just so amazing
@vallartalocal.foodtoursteq4651
Amazing delivery about super-continents. Makes me want to know more about natural history. Thanks for making, and sharing this video.
@joeywall4657
@joeywall4657 6 лет назад
So far away -- so long ago. So terribly desolate and alien to me. I feel great despair when I see our world so many eons ago. How I love life here in the late Cenozoic.
@sion8
@sion8 6 лет назад
*+*
@LimeyLassen
@LimeyLassen 6 лет назад
It wouldn't be lonely if you brought a friend
@joeywall4657
@joeywall4657 6 лет назад
(: thank you -- you are right
@stevenbaumann8692
@stevenbaumann8692 6 лет назад
Rifts can also die. Like the mid-continental rift (about during Rodina). I’m glad you brought up Kenorland! The Paleoproterozoic to Mesoproterozoic is my bag. I’m kind of upset you didn’t mention Wilson Cycles.
@anomaly2721
@anomaly2721 6 лет назад
Steven Baumann h
@ahegaochan2675
@ahegaochan2675 5 лет назад
Hi ! I am from Russia. Rodinia -Rodina (Родина-motherland) . Translated from Russian
@mysticoversoul
@mysticoversoul 3 года назад
Thanks you so very much for making and publishing these science documentaries. So informative and clearly presented. More power to your team. ⭐️⭐️⭐️⭐️⭐️
@miasmom1920
@miasmom1920 2 года назад
This is fantastic! Just what I was looking for. Thank you!
@PinkChucky15
@PinkChucky15 6 лет назад
I’m really enjoying this series :-)
@SyntakticSugar
@SyntakticSugar 6 лет назад
This is awesome! I have always wondered how the geography matched up with the animals alive at the time; thanks for this awesome video :)
@ImaplanetJupiteeeerr
@ImaplanetJupiteeeerr 2 года назад
These videos are absolutely amazing, I cant get enough of them!
@mariehuynh
@mariehuynh 5 лет назад
Thank you. This video actually answered all the questions I had!
@AJohns-en8kz
@AJohns-en8kz 6 лет назад
I'm going to watch this video so many times. A great topic! I'd love something similar with the time system itself- laying out the different scales of time and hallmarks of each period/eon/etc.
@AJohns-en8kz
@AJohns-en8kz 6 лет назад
Also human evolution!
@robinchesterfield42
@robinchesterfield42 6 лет назад
Ooh, yes. I'd watch the crap out of that.
@brenmoyer4896
@brenmoyer4896 5 лет назад
I feel like this is a form of time travel!! It's so exciting, I literally shouted, "yes!!" When you strated talking about the future movement of the continents! I would love to see how life may have changed on earth if humans had never evolved.
@thelaughingtiger146
@thelaughingtiger146 4 года назад
Great information from a trusted source. Thank you
@Eltuine
@Eltuine 6 лет назад
Man, these videos are so cool. I can't believe that I didn't find this channel until yesterday!
@wj9855
@wj9855 6 лет назад
More supercontinents wow
@ObjectsInMotion
@ObjectsInMotion 6 лет назад
Can't tell if this is a comment or a request.
@NovaGirl8
@NovaGirl8 3 года назад
@@ObjectsInMotion The answer is yes
@nab-rk4ob
@nab-rk4ob 6 лет назад
That was fascinating. Thanks!
@a.b.5772
@a.b.5772 5 лет назад
Epicly deserved thank you! Quite simple when you put it that way...
@bocktopus8993
@bocktopus8993 3 года назад
Absolutely adored this episode! So fascinating 😍
@CCumva
@CCumva 5 лет назад
Everytime Eons was referencing continental movement animation I thought: "Damn, I really want the whole episode on continental movement and tectonics". And here we are.
@lalezzy__
@lalezzy__ 4 года назад
4:48 gonna use that as a ringtone.
@manucitomx
@manucitomx 6 лет назад
I love this channel. Time well spent.
@MuhammadDawood-zx9qi
@MuhammadDawood-zx9qi Год назад
Love it! Amazing content. You made me navigate a lot of research findings in a short period of time.
@constanthonesty9937
@constanthonesty9937 6 лет назад
Nicely done. I’d love to see something on the Supervolcanos.
@bradyonyx174
@bradyonyx174 6 лет назад
Talk about strange fish from the Ordovician please!
@helsiclife
@helsiclife 6 лет назад
this video was incredibly interesting!! thanks for sharing
@geeh2291
@geeh2291 3 года назад
Really great summary of the subject. Thanks!
@Tizzer88
@Tizzer88 6 лет назад
my favorite channel
@kirbyarmstrong9174
@kirbyarmstrong9174 5 лет назад
What I really want to see is about an eight hour movie that shows the evolution of the Earth from beginning to about 5,000 years ago. When I say beginning I mean about 1 million years before life started. With images telling about continental drift and the evolution of life.
@harrisonj.3615
@harrisonj.3615 5 лет назад
An 8 hours well spent
@commonsense3921
@commonsense3921 Месяц назад
Sounds more like a documentary.
@thedevereauxbunch
@thedevereauxbunch 6 лет назад
Brilliant. Love sharing your videos with the kids
@marydonohoe8200
@marydonohoe8200 3 года назад
Fabulous. Thanks, PBS Eons!!
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