Search Results: "PBS Eons"
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01:00
How did humans become (mostly) right-handed?
88 views / 0 likes - addedBeing right-handed may have deep evolutionary roots in our lineage.*****PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons*****Produced by Complexly for PBS Digital StudiosSuper special thanks t
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00:58
Why did blinking evolve?
134 views / 0 likes - addedWe blink all the time, but until recently, we didn't know how, why, and when blinking evolved.*****PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons*****Produced by Complexly for PBS Digital St
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01:00
Snake Detection Hypothesis
92 views / 0 likes - added*****PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons*****Host: Blake de PastinoProduced by Complexly for PBS Digital StudiosSuper special thanks to the following Patreon patrons for helping m
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11:17
You're Living On An Ant Planet
88 views / 1 likes - addedHow did ants take over the world? Well, it looks like they didnt achieve world domination all by themselves. They may have just been riding the wave of a totally different evolutionary explosion.*****PBS Member Stations rely on viewers like you. To suppor
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00:48
What is a carnivorous plant?
74 views / 0 likes - added*****PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons*****Produced by Complexly for PBS Digital StudiosSuper special thanks to the following Patreon patrons for helping make Eons possible:Coll
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00:56
Theres something weird about this 105 million-year-old amber.
181 views / 0 likes - added*****PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons*****Produced by Complexly for PBS Digital StudiosSuper special thanks to the following Patreon patrons for helping make Eons possible:Coll
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11:34
That Time The Ocean Lost (Almost) All Its Oxygen
84 views / 0 likes - addedFind Bizarre Beasts here! https://www.youtube.com/bizarrebeastsThis is the story of how our planet rescued itself from extreme conditions in the Cretaceous Period, at the cost of essentially suffocating the oceans for half-a-million years.*****PBS Member
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00:59
Our ancestor contracted a virus - millions of years later, we still have it
83 views / 0 likes - added*****PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons*****Produced by Complexly for PBS Digital StudiosSuper special thanks to the following Patreon patrons for helping make Eons possible:Coll
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10:39
Why The Giraffe Got Its Neck
93 views / 0 likes - addedHow and why the giraffe's neck emerged in the first place has been a mystery that generations of biologists have argued over one that has made us reconsider our understanding of how evolution actually works over and over again.*****PBS Member Stations rel
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09:46
When Ants Domesticated Fungi
199 views / 0 likes - addedWhile we’ve been farming for around 10,000 to 12,000 years, the ancestors of ants have been doing it for around 60 million years. So when, and how, and why did ants start … farming? Thanks to Franz Anthony (https://franzanth.com) for the exce
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A Short Tale About Diplodocus' Long Neck
187 views / 0 likes - addedPBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons More info below Long necks gave sauropods a huge advantage when it came to food, but not in the way you think. And this benefit would allow the
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09:04
How Our Deadliest Parasite Turned To The Dark Side
252 views / 0 likes - addedAround 10,000 years ago, somewhere in Africa, a microscopic parasite made a huge leap. With a little help from a mosquito, it left its animal host - probably a gorilla - and found its way to a new host: us. *****PBS Member Stations rely on viewers like yo
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09:01
The Fossil Record In Your Mouth
186 views / 0 likes - addedThe hardened residue scraped off your teeth at the dentist is called your dental calculus, and your dental calculus is the only part of your body that actually fossilizes while youre alive! And scientists have figured out how to study & trace the evolutio
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08:01
The Creature That Stumped Darwin
192 views / 0 likes - addedCheck out Mega Wow: https://youtu.be/meU4f31gqYI And go get our pins!! https://store.dftba.com/collections/eonsToxodon was one of the last members of a lineage that vanished 11,000 years ago after thriving in isolation for millions of years. And its fossi
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08:12
When Trees Took Over the World
167 views / 0 likes - added420 million years ago, the forest floor of what's now New York was covered with a plant that didnt look like a tree at all, except its roots were made of wood. Instead of looking up to learn about the evolution of trees, it turns out paleobotanists should
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08:44
How a Mass Extinction Event Created the Amazon
538 views / 0 likes - addedThe Amazon rainforest of South America is a paradise for flowering plants. But long ago, the landscape that we now think of as the Amazon looked very different. And would you believe that the entire revolution of the Amazon began with just one day?Produce
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10:51
When Pterosaurs Walked
198 views / 0 likes - addedTake the PBS Digital Studios audience survey: https://to.pbs.org/2021surveyIf you know one thing about pterosaurs, its that theyre flyers. And while pterosaurs may be well-known for their domination of the skies in the Mesozoic Era, they didnt live their
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12:16
How the Starfish Got Its Arms
216 views / 1 likes - addedThank you to Blinkist for supporting PBS. For more information and trial go to https://www.blinkist.com/pbseonsThe story of how the starfish got its arms reminds us that even animals that might be familiar to us today can have incredibly deep histories -
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11:40
Where Are All the Medium-Sized Dinosaurs?
172 views / 0 likes - addedThe remains of medium-sized predatory dinosaurs are pretty rare in places where giant predators like T. rex existed. Which is weird, because thats just not how ecosystems work today.Thanks to Franz Anthony, Jack Mayer Wood, ABelov2014, Fabrizio De Rossi,
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08:46
The Island of the Last Surviving Mammoths
205 views / 1 likes - addedThe Wrangel Island mammoths would end up being the final survivors of a once-widespread genus. In their final years, after having thrived in many parts of the world for millions of years, the very last mammoths that ever lived experienced whats known as a
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08:28 Popular
The Traits That Spawned the Age of Mammals
810 views / 0 likes - addedLots of the traits we think of as defining us as mammals show up pretty early, during the time of the dinosaurs. And, in some cases, they show up a lot earlier and in things that werent mammals at all.Big thanks to Julio Lacerda (https://twitter.com/Julio
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12:48
The Genes We Lost Along the Way
282 views / 0 likes - addedOur DNA holds thousands of dead genes and weve only just begun to unravel their stories. But one thing is already clear: were not just defined by the genes that weve gained over the course of our evolution, but also by the genes that weve lost along the w
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10:00
How Humans Became (Mostly) Right-Handed
294 views / 0 likes - addedThank you for The Great Courses Plus for Supporting PBS. To learn more and try The Great Course pulse click, http://ow.ly/m3ap30rzWfP.No other placental mammal that we know of prefers one side of the body so consistently, not even our closest primate rela
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10:39
How Ancient Art Captured Australian Megafauna
354 views / 1 likes - addedCheck out Self-Evident on PBS Voices: https://youtu.be/B6QeZ07FaggBeneath layers of rock art are drawings of animals SO strange that, for a long time, some anthropologists thought they could only have been imagined. But what if these animals really had ex
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09:31
The Two Viruses That Weve Had For Millions of Years
331 views / 0 likes - addedTheres one kind of herpesvirus thats specific to one species of primate, and each virus split off from the herpesvirus family tree when the primate split off from its own tree. But of course, humans are a special kind of primate.Here are the two studies w
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11:31
When a Billion Years Disappeared
353 views / 0 likes - addedIn some places, the rocks below the Great Unconformity are about 1.2 billion years older than those above it. This missing chapter in Earths history might be linked to a fracturing supercontinent, out-of-control glaciers, and maybe the diversification of
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08:33
When the Rainforests Collapsed
300 views / 0 likes - addedCheck out Animal Wonders! https://youtu.be/tyK21xUnGrkThe Carboniferous Rainforest Collapse set the stage for a takeover that would be a crucial turning point in the history of terrestrial animal life. If it werent for that time when the rainforests colla
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10:07
The Pandemic That Lasted 15 Million Years
352 views / 0 likes - addedOur DNA holds evidence of a huge, ancient pandemic, one that touched many different species, spanned the globe, and lasted for more than 15 million years.The paper we discuss throughout the episode:Diehl, W., Patel, N., Halm, K. and Johnson, W., 2016. Tra
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08:40
What Happened to the World's Biggest Beaver?
403 views / 0 likes - addedCheck out Animal Wonders and Huckleberry! https://www.youtube.com/watch?v=ONb2FVNe-7o&list=PL2Ol2gat902eYrXakcgw0FSS86fF0Ix6W&index=1Its important to us that you understand how big this beaver was. Just like modern beavers, it was semiaquatic -- it lived
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11:03
The Reign of the Hell Ants
373 views / 0 likes - addedThis ancient species had the same six legs and segmented body that wed recognize from an ant today. But it also had a huge, scythe-like jaw and a horn coming out of its head. This bizarre predator belonged to a group known as hell ants. But theyre gone no
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11:03
The Triassic Reptile With "Two Faces"
323 views / 0 likes - addedFiguring out what this creatures face actually looked like would take paleontologists years. But understanding this weird animal can help us shine a light on at least one way for ecosystems to bounce back from even the worst mass extinction.Thanks to Ceri
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11:01
When the Earth Suddenly Stopped Warming
312 views / 0 likes - addedFor decades, scientists have been studying the cause of the Younger Dryas, and trying to figure out if something like it could happen again. And it turns out that what caused this event is the subject of a heated debate.Thanks to these wonderful paleoarti
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09:35
When Lizards Took Over the World
309 views / 0 likes - addedCheck out Overview! https://www.youtube.com/watch?v=HnOajuolHWI Lizards are incredibly widespread and diverse but it took them a long time to get to where they are now. Because they used to face some pretty stiff competition from a group of lizard look-al
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10:06
How Plankton Created A Bizarre Giant of the Seas
346 views / 0 likes - addedCheck out Bizarre Beasts! https://youtu.be/DtufV5JZLW4At more than 2 meters long, Aegirocassis was not only the biggest radiodont ever, but it also may have been the biggest animal in the Early Ordovician. This bizarre marine giant may have only been poss
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08:36
The Rise and Fall of the Tallest Mammal to Walk the Earth
341 views / 0 likes - addedIt arose from rhino ancestors that were a lot smaller, but Paraceratherium would take a different evolutionary path. Believe it or not, it actually became so big that it probably got close to what scientists think might be the actual upper limit for a lan
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12:21
How Humans Lost Their Fur
332 views / 0 likes - addedWere the only primate without a coat of thick fur. It turns out that this small change in our appearance has had huge consequences for our ability to regulate our body temperature, and ultimately, it helped shape the evolution of our entire lineage.Thank
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10:30
How Plants Caused the First Mass Extinction
396 views / 0 likes - addedCheck out Journey to the Microcosmos: https://youtube.com/microcosmosIn the middle of the Cambrian, life on land was about to get a little more crowded. And those newcomers would end up changing the world. The arrival of plants on land would make the worl
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09:55
How Dogs (Eventually) Became Our Best Friends
355 views / 0 likes - addedWere still figuring out the details, but most scientists agree that it took thousands of years of interactions to develop our deep bond with dogs. When did they first become domesticated? Where did this happen? And what did the process look like, in terms
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09:14
How the Egg Came First
545 views / 0 likes - addedThe story of the egg spans millions of years, from the first vertebrates that dared to venture onto land to todays mammals, including the platypus, and of course birds. Like chickens? Were here to tell you: The egg came first.Thanks to Fabrizio de Rossi f
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11:40
When Penguins Went From The Sky To The Sea
416 views / 0 likes - addedThank you for The Great Courses Plus for supporting PBS. To learn more click http://ow.ly/DIED30qpmFaToday, we think of penguins as small-ish, waddling, tuxedo-birds. But they evolved from a flying ancestor, were actual giants for millions of years, and s
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08:35
When the Sahara Was Green
295 views / 0 likes - addedCheck out Antarctic Extremes on PBS Terra: https://www.youtube.com/watch?v=EvRAuy1ZmTcThe climate of the Sahara was completely different thousands of years ago. And were not talking about just a few years of extra rain. Were talking about a climate that w
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08:05
How a Hot Planet Created the World's Biggest Snake
618 views / 5 likes - addedAbout 59 million years ago, the largest animal lurking in the ancient forests of Colombia by far was Titanoboa - the largest snake ever known. Its only been in the past few years that weve put together the many pieces of this puzzling creature, but it tur
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09:58
When Dinosaurs Chilled in the Arctic
380 views / 0 likes - addedAll told, the Arctic in the Cretaceous Period was a rough place to live, especially in winter. And yet, the fossils of many kinds of dinosaurs have been discovered there. So how were they able to survive in this harsh environment?Thanks to Nathan E. Roger
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08:17
How the Walrus Got Its Tusks
397 views / 0 likes - addedThe rise and fall of ancient walruses, and how modern ones got their tusks, is a story that spans almost 20 million years.And while there are parts of the story that were still trying to figure out, it looks like tusks didnt have anything to do with how o
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07:25
The Biggest Frog that Ever Lived
463 views / 0 likes - addedUntangling the origins of Beelzebufo -- the giant frog that lived alongside the dinosaurs -- turns out to be one of the most bedeviling problems in the history of amphibians.Thank you to these paleoartists for allowing us to use their wonderful illustrati
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07:28
Why Do Things Keep Evolving Into Crabs?
553 views / 1 likes - addedHelp out Eons and take the PBS Digital Studios annual survey: http://to.pbs.org/2020surveyFor some reason, animals keep evolving into things that look like crabs, independently, over and over again.What is it about the crabs form that makes it so evolutio
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09:31
How Ankylosaurs Got Their Clubs
421 views / 0 likes - addedTake the PBS Digital Studios annual survey: http://to.pbs.org/2020surveyOur National Fossil Day Livestream will be on Facebook and YouTube at 8 PM ET on October 14th. Here's the link to the YouTube livestream: https://youtu.be/hW6XW1YgAlUWhile clubs are p
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11:13
How Plants Became Carnivores
414 views / 1 likes - addedGo check out Overview on PBS Terra: https://www.youtube.com/watch?v=NHMZwaopAaIDeep Looks episode on Sundews! https://youtu.be/D4kBrsyWhS4How and why does botanical carnivory keep evolving? It turns out that when any of the basic things that most plants n
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09:56
The First and Last North American Primates
389 views / 0 likes - addedHow To Vote in Every State: https://youtube.com/HowToVoteInEveryStateEarly primates not only lived in North America -- our primate family tree actually originated here! So what happened to those early relatives of ours? Thank you to these paleoartists for
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09:12
When Rodents Had Horns
349 views / 0 likes - addedThese odd rodents belong to a genus known as Ceratogaulus, but theyre more commonly called horned gophers, because, you guessed it, they had horns.And it turns out the horns probably had a purpose - one that rodents would likely benefit from today.Samanth
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07:07
The Sea Monster from the Andes
438 views / 0 likes - addedIn 1977, a farmer was plowing his field on a plateau high in the Andes mountains when he stumbled upon a giant fossilized skeleton.How did this giant marine reptile end up high in the Andes Mountains?Spanish subtitles/CC by Carlos J. Pardo De la Hoz.Thank
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10:39
How Earth's First, Unkillable Animals Saved the World
386 views / 0 likes - addedSupport us on Patreon: http://patreon.com/eonsThey have survived every catastrophe and every mass extinction event that nature has thrown at them. And by being the little, filter-feeding, water-cleaning creatures that they are, sponges may have saved the
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08:13
How We Domesticated Cats (Twice)
668 views / 0 likes - addedA 9,500 year old burial in Cyprus represents some of the oldest known evidence of human/cat companionships anywhere in the world. But when did this close relationship between humans and cats start?And how did humans help cats take over the world?Big thank
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09:58
The Forgotten Story of the Beardogs
340 views / 0 likes - addedBecause of their strange combination of bear-like and dog-like traits, theyre sometimes confusingly called the beardogs. And even though youve never met one of these animals, the beardogs are key to understanding the history of an important branch of the
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09:24
The Fuzzy Origins of the Giant Panda
506 views / 1 likes - addedTo discover more go about the LEGO Ideas Tree House set go tohttps://www.lego.com/en-us/product/tree-house-21318?CMP=SOC-PBSEons21318How does a bear -- which is a member of the order Carnivora -- evolve into an herbivore? Despite how it looks, nothing abo
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12:34
The Giant Dinosaur That Was Missing a Body
395 views / 1 likes - addedFrom end to end, its forelimbs alone measured an incredible 2.4 meters long and were tipped with big, comma-shaped claws. But other than its bizarre arms, very little material from this dinosaur had been found: no skull, no feet, almost nothing that could
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10:11
How South America Made the Marsupials
476 views / 0 likes - addedThroughout the Cenozoic Era -- the era were in now -- marsupials and their metatherian relatives flourished all over South America, filling all kinds of ecological niches and radiating into forms that still thrive on other continents. Thanks to Darin Crof
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10:17
The Missing Link That Wasn't
399 views / 1 likes - addedThe myth of the Missing Link--the idea that there must be a specimen that partly resembles an ape but also partly resembles a modern human--is persistent. But the reality is that there is no missing link in our lineage, because thats not how evolution wor
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09:02
The Raptor That Made Us Rethink Dinosaurs
375 views / 0 likes - addedGet access to our quarterly livestream! http://patreon.com/eonsIn 1964, a paleontologist named John Ostrom unearthed some fascinating fossils from the mudstone of Montana. Its discovery set the stage for whats known today as the Dinosaur Renaissance, a to
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11:37
When Bats Took Flight
450 views / 1 likes - addedBats pretty much appear in the fossil record as recognizable, full-on, flying bats. And they show up on all of the continents, except Antarctica, around the same time. So where did bats come from? And which of the many weird features that bats have, showe
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09:05
How Pterosaurs Got Their Wings
407 views / 1 likes - addedWhen pterosaurs first took flight, you could say that it marked the beginning of the end for the winged reptiles. Because, strangely enough, the power of flight -- and the changes that it led to -- may have ultimately led to their downfall.Thanks to Ceri
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10:40
When Giant Lemurs Ruled Madagascar
490 views / 1 likes - addedOur new pin! https://store.dftba.com/collections/all/products/eons-enamel-pinJust a few thousand years ago, the island of Madagascar was inhabited by giant lemurs. How did such a diverse group of primates evolve in the first place, and how did they help s
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12:14
When Antarctica Was Green
427 views / 0 likes - addedHelp Eons out and fill out this survey! https://www.pbsresearch.org/c/r/Eons_YTvideoBefore the start of the Eocene Epoch about 56 million years ago--Antarctica was still joined to both Australia and South America. Andit turns out that a lot of what we rec
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08:14
The Case of the Dinosaur Egg Thief
474 views / 0 likes - addedCheck out Serving Up Science! https://youtube.com/PBSFoodPaleontologists found a small theropod dinosaur skull right on top of a nest of eggs that were believed to belong to a plant-eating dinosaur. Instead of being the nest robbers that they were origina
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10:28
When Hobbits Were Real
426 views / 0 likes - addedThanks to Raycon wireless earphones for supporting PBS. Go to http://buyraycon.com/eons to learn more.Subscribe to Sound Field: https://www.youtube.com/channel/UCvMLMyKPomE6kTTL9Kv8IwwIts discoverers named it Homo floresiensis, but its often called the ho
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10:59
How Volcanoes Froze the Earth (Twice)
471 views / 0 likes - addedOver 600 million years ago, sheets of ice coated our planet on both land and sea. How did this happen? And most importantly for us, why did the planet eventually thaw again? The evidence for Snowball Earth is written on every continent today.Thanks to Jul
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09:58
When Ichthyosaurs Led a Revolution in the Seas
328 views / 0 likes - addedThe marine reptiles Ichthyosaurs arose after The Great Dying, which wiped out at least 90 percent of life in the oceans, changing the seas forever and triggering a new evolutionary arms race between predator and prey.Thank you to these paleoartists for al
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12:10 Popular
How Evolution Works (And How We Figured It Out)
758 views / 0 likes - addedWatch the Deep Time Hall livestream here:https://www.facebook.com/EonsPBS/videos/424570291712824You can set a reminder on that post to be notified when it goes live!Dont forget to check out When Whales Walked: Journeys in Deep Time: https://www.pbs.org/tp
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14:36
The History of Climate Cycles (and the Woolly Rhino) Explained
407 views / 0 likes - addedLearn more about Hack the Moon at https://wehackthemoon.comCheck out Reactionss Summer of Space video on the Northern Lights! https://www.youtube.com/watch?v=8S_LPFOa-zsThroughout the Pleistocene Epoch, the range of the woolly rhino grew and shrank in syn
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08:32
The Ghostly Origins of the Big Cats
494 views / 0 likes - addedLearn more about ExpressVPN: https://www.expressvpn.com/eonsAll of todays big cat species evolved less than 11 million years ago and yet their evolutionary history remains an almost total mystery. But scientists have recently discovered a major clue about
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12:43
When We Took Over the World
437 views / 1 likes - addedCheck out Monstrum! https://www.youtube.com/monstrumpbs From our deepest origins in Africa all the way to the Americas, by looking at the fossils and archaeological materials we have been able to trace the path our ancestors took during thee short window
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09:08
The Croc That Ran on Hooves
425 views / 0 likes - addedOur Pocket Shirt!: https://store.dftba.com/collections/eons/products/eons-pocket-shirt In the Eocene Epoch, there was a reptile that had teeth equipped for biting through flesh, its hind legs were a lot longer than its front legs and instead of claws, its
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11:16
The Mystery Behind the Biggest Bears of All Time
484 views / 0 likes - addedOur new shirt! https://store.dftba.com/products/eons-pocket-shirt The short-faced bears turned out to be remarkably adaptable, undergoing radical changes to meet the demands of two changing continents. And yet, for reasons we don’t quite understand, their
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12:57
When We Tamed Fire
512 views / 0 likes - addedOur new shirt! https://store.dftba.com/products/eons-pocket-shirt The Best-Of Nature League: https://www.youtube.com/playlist?list=PLZftFO1i4jNijeKInnCZXTYg9l3HVlbXl The ability to make and use fire has fundamentally changed the arc of our evolution. The
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11:41
When Giant Scorpions Swarmed the Seas
528 views / 2 likes - addedTry Audible for 30 days visit https://www.audible.com/eons or text eons to 500500! Sea scorpions thrived for 200 million years, coming in a wide variety of shapes and sizes. Over time, they developed a number of adaptations--from crushing claws to flatten
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10:26
How 7,000 Years of Epic Floods Changed the World (w/ SciShow!)
637 views / 0 likes - addedTry CuriosityStream today: http://curiositystream.com/eons Check out SciShow's video on Lake Agassiz: https://youtu.be/qMVhR26NRsk Strange geologic landmarks in the Pacific Northwest are the lingering remains of a mystery that took nearly half a century t
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10:10
When We First Made Tools
448 views / 0 likes - addedTry CuriosityStream today: http://curiositystream.com/eons The tools made by our human ancestors may not seem like much when you compare them to the screen you’re looking at right now but their creation represents a pivotal moment in the origin of technol
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08:55
The Giant Bird That Got Lost in Time
472 views / 1 likes - addedThe California condor is the biggest flying bird in North America, a title that it has held since the Late Pleistocene Epoch. It's just one example of an organism that we share the planet with today that seems lost in time, out of place in our world. Than
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12:45
The Island of Huge Hamsters and Giant Owls
542 views / 0 likes - addedCheck out Sound Field: https://www.youtube.com/channel/UCvMLMyKPomE6kTTL9Kv8Iww Back in the late Miocene epoch, there was an island--or maybe a group of islands-- in the Mediterranean Sea that was populated with fantastic giant beasts. It’s a lesson in th
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12:15
The Island of Shrinking Mammoths
408 views / 1 likes - addedYou can check out Google's Science Journal app at https://g.co/sciencejournal The mammoths fossils found on the Channel Islands off the coast of southern California are much smaller than their relatives found on the mainland. They were so small that they
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09:48
The Evolution of the Heart (A Love Story)
395 views / 0 likes - addedYou can check out Google's Science Journal app at https://g.co/sciencejournal In order to understand where hearts came from, we have to go back to the earliest common ancestor of everything that has a heart. It took hundreds of millions of years, and coun
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12:22
The Humans That Lived Before Us
421 views / 1 likes - addedAs more and more fossil ancestors have been found, our genus has become more and more inclusive, incorporating more members that look less like us, Homo sapiens. By getting to know these other hominins--the ones who came before us--we can start to answer
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08:55
When Apes Conquered Europe
489 views / 0 likes - addedCheck out Origin of Everything: https://www.youtube.com/channel/UCiB8h9jD2Mlxx96ZFnGDSJw Today, our closest evolutionary relatives, the apes, live only in small pockets of Africa and Asia. But back in the Miocene epoch, apes occupied all of Europe. Why ar
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11:13 Popular
Why Megalodon (Definitely) Went Extinct
1,360 views / 11 likes - addedFor more than 10 million years, Megalodon was at the top of its game as the oceans’ apex predator...until 2.6 million years ago, when it went extinct. So, what happened to the largest shark in history? Thanks as always to Nobumichi Tamura for allowing us
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09:52
When Humans Were Prey
481 views / 0 likes - addedNot too long ago, our early human ancestors were under constant threat of attack from predators. And it turns out that this difficult chapter in our history may be responsible for the adaptations that allowed us to become so successful. Thanks to Julio La
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10:28
How Blood Evolved (Many Times)
551 views / 0 likes - addedBlood is one of the most revolutionary features in our evolutionary history. Over hundreds of millions of years, the way in which blood does its job has changed over and over again. As a result, we animals have our familiar red blood. But also blue blood.
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04:50
Stegosaurs: Tiny Brains & Thagomizers
366 views / 1 likes - addedViewers like you help make PBS (Thank you
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06:01 Popular
What Colors Were Dinosaurs?
737 views / 0 likes - addedWe know a lot about dinosaurs but there’s one question that has plagued paleontologists for decades: what color were they? Go to http://squarespace.com/eons and use code “EONS” for 10% off your first order. Produced in collaboration with PBS Digital Studi
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05:44
That Time Oxygen Almost Killed Everything
378 views / 0 likes - addedViewers like you help make PBS (Thank you
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05:15
The Biggest Thing That Ever Flew
347 views / 0 likes - addedViewers like you help make PBS (Thank you
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06:49
Dimetrodon: Our Most Unlikely Ancestor
472 views / 1 likes - addedCheck out The Great Courses Plus! http://ow.ly/iBxG30egcx9 With its lizard-like appearance and that distinctive sail on it back, Dimetrodon is practically the mascot of the Palaeozoic Era, a time before flowers, birds, mammals, and even crocodiles. But if
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08:31
The Extinction That Never Happened
355 views / 0 likes - addedViewers like you help make PBS (Thank you
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04:16
The Strange Case of the Buzzsaw Jaws
396 views / 0 likes - addedViewers like you help make PBS (Thank you
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06:54
The Age of Giant Insects
503 views / 0 likes - addedSignup for your FREE trial to The Great Courses Plus here: http://ow.ly/PeiY30egcZN Insects outnumber humans by a lot and we only like to think we're in charge because we're bigger than they are. But insects and other arthropods weren’t always so small. A
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10:20
When Rodents Rafted Across the Ocean
395 views / 0 likes - addedSupport us on Patreon! http://patreon.com/eons The best evidence we have suggests that, while Caviomorpha originated in South America, they came from ancestors in Africa, over 40 million years ago. So how did they get there? Thanks to Ceri Thomas for the
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07:32
When Birds Stopped Flying
520 views / 0 likes - addedSupport us on Patreon! http://patreon.com/eons Ratites have spread to Africa, Australia, New Zealand, and South America. And there are fossils of Ratites in Europe, Asia, and North America too. That’s a lot of ground to cover for birds that can’t fly. So
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10:12
When Camels Roamed North America
437 views / 1 likes - addedCamels are famous for adaptations that have allowed them to flourish where most other large mammals would perish. But their story begins over 40 million years ago in North America, and in an environment you’d never expect: a rainforest. Special thanks t
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12:21
How Sloths Went From the Seas to the Trees
569 views / 0 likes - addedThe story of sloths is one of astounding ecological variability, with some foraging in the seas, others living underground, and others still hiding from predators in towering cliffs. So why are their only living relatives in the trees? Thanks to Ceri Thom
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12:41
When Sharks Swam the Great Plains
415 views / 2 likes - addedCheck out Origin of Everything: https://www.youtube.com/channel/UCiB8h9jD2Mlxx96ZFnGDSJw If you’ve ever been to, or lived in, or even flown over the central swath of North America, then you’ve seen the remnants of what was a uniquely fascinating environme
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12:26
Your Place in the Primate Family Tree
466 views / 0 likes - addedOur new sticker is available here: https://store.dftba.com/collections/eons And check out Tacos of Texas!: https://www.youtube.com/playlist?list=PLh_qdzak59m68-i4M441Rkr5j8c_mQ-en Purgatorius, a kind of mammal called a plesiadapiform, might’ve been one of
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09:32
The Two People We're All Related To
372 views / 0 likes - addedCheck out Two Cents: https://www.youtube.com/channel/UCL8w_A8p8P1HWI3k6PR5Z6w Due to an odd quirk of genetics and some unique evolutionary circumstances, two humans who lived at different times in the distant past managed to pass on a very small fraction
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10:53 Popular
When Giant Amphibians Reigned
865 views / 1 likes - addedTry CuriosityStream today: http://curiositystream.com/eons Temnospondyls were a huge group of amphibians that existed for 210 million years. And calling them ‘diverse’ would be putting it mildly. Yet in the end, two major threats would push them to extinc
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13:32
Did Raptorex Really Exist?
506 views / 0 likes - addedTry CuriosityStream today: http://curiositystream.com/eons Paleontologists have been studying and drawing totally different conclusions about the fossil LH PV18 for almost a decade. Is it just one of many specimens of a theropod called Tarbosaurus bataar
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11:48
Can We Get DNA From Fossils?
557 views / 0 likes - addedIn 1993, scientists cracked open a piece of amber, took out the body of an ancient weevil, and sampled its DNA. Or, at least, so we thought. It took another few decades of research, and a lot of take-backs, before scientists could figure out how we could
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12:16
When We First Walked
454 views / 0 likes - addedTry CuriosityStream today: http://curiositystream.com/eons Fossilized footprints have proved that human ancestors were already striding across the landscape 3.6 million years ago. But who started them on that path? What species pioneered this style of loc
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09:38
The Rise and Fall of the Bone-Crushing Dogs
668 views / 0 likes - addedYou can go to https://wix.com/go/eons to get started on your website! A huge and diverse subfamily of dogs, the bone-crushers patrolled North America for more than thirty million years, before they disappeared in the not-too-distant past. So what happened
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09:39
How a Supervolcano Made the Cenozoic’s Coolest Fossils
587 views / 0 likes - addedOne of the most dynamic, transformative, and potentially dangerous features in North America is also responsible for some of the continent’s most amazing fossil deposits. It’s a supervolcano we now call Yellowstone. Thanks to Rick Otto and the Ashfall Fos
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08:34
The Mystery of the Eocene’s Lethal Lake
565 views / 0 likes - addedCheck out America from Scratch: https://www.youtube.com/americafromscratch In 1800s, miners began working in exposed deposits of mud near the town of Messel, Germany. They were extracting oil from the rock and along with the oil, they found beautifully pr
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10:01
How Horses Took Over North America (Twice)
536 views / 0 likes - addedThe PBSDS Annual Audience Survey: https://to.pbs.org/2018YTSurvey The ancestors of modern horses became so successful that they spread all over the world, to Europe, Asia, South America, and Africa. But in their native range of North America, they’ll vani
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12:22
When Birds Had Teeth
462 views / 0 likes - addedCheck out ReInventors: https://www.youtube.com/channel/UCzZRoStdiqWxauQT2RGW1Lg Experts are still arguing over whether Archaeopteryx was a true bird, or a paravian dinosaur, or some other kind of dino. But regardless of what side you’re on, how did this f
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10:19
When Fish Wore Armor
517 views / 0 likes - addedCheck out Hot Mess: https://www.youtube.com/channel/UCsaEBhRsI6tmmz12fkSEYdw 420 million years ago, some fish were more medieval. They wore armor, sometimes made of big plates, and sometimes made of interlocking scales. But that armor may actually have se
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09:11
When Insects First Flew
521 views / 0 likes - addedInsects were the first animals to ever develop the ability to fly, and, arguably, they did it the best. But this development was so unusual that scientists are still/working on, and arguing about, how and when insect wings first came about. Special thanks
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07:58
How the Chalicothere Split In Two
509 views / 1 likes - addedTry CuriosityStream today: http://curiositystream.com/eons Two extinct relatives of horses and rhinos are closely related to each other but have strikingly different body plans. How did two of the same kind of animal, living in the same place, end up look
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10:10
Why Triassic Animals Were Just the Weirdest
478 views / 0 likes - addedTry CuriosityStream today: http://curiositystream.com/eons The Triassic was full of creatures that look a lot like other, more modern species, even though they’re not closely related at all. The reason for this has to do with how evolution works and with
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08:14
Where Did Viruses Come From?
651 views / 0 likes - addedTry CuriosityStream today: http://curiositystream.com/eons There are fossils of viruses, of sorts, preserved in the DNA of the hosts that they’ve infected. Including you. This molecular fossil trail can help us understand where viruses came from, how they
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09:08
When Fish First Breathed Air
476 views / 0 likes - addedSupport us on Patreon! https://www.patreon.com/eons 385 million years ago, a group of fish would undertake one of the most important journeys in the history of life and become the first vertebrates to live on dry ground. But first, they had to acquire the
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07:41 Popular
How the T-Rex Lost Its Arms
808 views / 0 likes - addedSupport us on Patreon! https://patreon.com/eons Tyrannosaurus rex was big, Tyrannosaurus rex was vicious, and Tyrannosaurus rex had tiny arms. The story of how T-Rex lost its arms is, itself, pretty simple. But the story of why it kept those little limbs,
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13:01
From the Fall of Dinos to the Rise of Humans
606 views / 0 likes - addedCheck out our other journeys through geologic time here : https://www.youtube.com/playlist?list=PLi6K9w_UbfFSFIpEU9VMavTM5MIbOAiW5 After taking you on a journey through geologic time, we've arrived at the Cenozoic Era. Most of the mammals and birds that y
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08:04 Popular
That Time It Rained for Two Million Years
859 views / 2 likes - addedCheck out our NEW POSTER: https://store.dftba.com/products/eons-poster At the beginning of the Triassic Period, with the continents locked together from pole-to-pole in the supercontinent of Pangea, the world is hot, flat, and very, very dry. But then 234
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08:18 Popular
The Weird, Watery Tale of Spinosaurus
710 views / 1 likes - addedCheck out our NEW POSTER: https://store.dftba.com/products/eons-poster In 1912, a fossil collector discovered some strange bone fragments in the eerie, beautiful Cretaceous Bahariya rock formation of Egypt. Eventually, that handful of fossil fragments wou
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11:07
The Age of Reptiles in Three Acts
561 views / 0 likes - addedReptiles emerged from the Paleozoic as humble creatures, but in time, they grew to become some of the largest forms of life ever to stomp, swim, and soar across the planet. This Age of Reptiles was a spectacular prehistoric epic, and it all took place in
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11:58
From the Cambrian Explosion to the Great Dying
549 views / 0 likes - addedYou can go to https://Audible.com/Eons or text “Eons” to 500-500 to get started today with your 30-day trial membership with a free audiobook The first era of our current eon, the Paleozoic Era, is probably the most deceptively fascinating time in Earth’s
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06:54 Popular
The Other Explosion You Should Know About
780 views / 0 likes - addedFossils found around the world suggest that multi-cellular life was not only present before the Cambrian Explosion, it was much more elaborate and diverse than anyone thought. This is the story of the sudden burst of diversity that marked the dawn of trul
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08:12
Inside the Dinosaur Library
417 views / 0 likes - addedYou can check out Google's Science Journal app at https://makingscience.withgoogle.com/science-journal We're back in Bozeman, Montana this week talking to Amy Atwater, Collections Manager at the Museum of the Rockies. MOR has among the largest collections
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11:44
What Was the Ancestor of Everything? (feat. PBS Space Time and It’s Okay To Be Smart)
461 views / 0 likes - addedCheck out It’s Okay To Be Smart’s video for more about the origins of life on earth: https://youtu.be/_uAJY1mqtw4 And check out PBS Space Time’s video on the physics of life: https://youtu.be/GcfLZSL7YGw The search for our origins go back to a single comm
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08:32 Popular
How the Squid Lost Its Shell
1,096 views / 2 likes - addedThe ancestors of modern, squishy cephalopods like the octopus and the squid all had shells. In ancient times, their shell was their greatest asset but it eventually proved to be their biggest weakness. Special thanks to Franz Anthony for the beautiful cep
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07:00 Popular
The Most Useful Fossils in the World
1,176 views / 0 likes - addedTry CuriosityStream today: http://curiositystream.com/eons For decades, one of the most abundant kinds of fossils on Earth, numbering in the millions of specimens, was a mystery to paleontologists. But geologists discovered that these mysterious fossils c
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05:48
History's Most Powerful Plants
600 views / 0 likes - addedFossil fuels are made from the remains of extinct organisms that have been exposed to millions of years of heat and pressure. But in the case of coal, these organisms consisted largely of some downright bizarre plants that once covered the Earth, from Col
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05:06
'Living Fossils' Aren't Really a Thing
530 views / 0 likes - addedTry CuriosityStream today: http://curiositystream.com/eons Crocodiles, horseshoe crabs and tuatara are animals that have persisted for millions of years, said to have gone unchanged since the days of the dinosaurs. But even the most ancient-looking organi
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08:52 Popular
What a Dinosaur Looks Like Under a Microscope
726 views / 0 likes - addedYou can check out Google's Science Journal app at https://makingscience.withgoogle.com/science-journal We traveled to Bozeman, Montana to meet with Dr. Ellen-Thérèse Lamm who explores ancient life by studying it at the cellular level. Kallie and Dr. Lamm
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09:12 Popular
How the Turtle Got Its Shell
787 views / 3 likes - addedWhere did turtles come from? And how did the they get their shells? The answers to these questions would eventually cause scientists to rethink the entire history of reptile evolution. Thanks as always to Nobumichi Tamura for allowing us to use his wonder
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05:37
When The Earth Was Purple
468 views / 0 likes - addedBesides the blue of the oceans, the dominant color of our planet, as we know it, is green. But imagine a time when the Earth looked a little … purple. Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios Want to follow
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06:11
How Did Dinosaurs Get So Huge?
519 views / 0 likes - addedPart of why we’re so fascinated with extinct dinosaurs it’s just hard for us to believe that animals that huge actually existed. And yet, they existed! From the Jurassic to the Cretaceous Periods, creatures as tall as a five-story building were shaking th
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10:01
The Facts About Dinosaurs & Feathers
510 views / 0 likes - addedOver the past 20 years, dinosaurs of all types and sizes have been found with some sort of fluff or even full-on plumage. These fuzzy discoveries have raised a whole batch of new questions so we're here to tell you everything we know about dinosaurs and f
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05:37
The Search for the Earliest Life
527 views / 0 likes - addedMore than 4 billion years ago, the crust of the Earth was still cooling and the oceans were only beginning to form. But in recent years, we’ve started to discover that, even in this hellish environment, life found a way. Produced in collaboration with PBS
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12:08 Popular
A Brief History of Geologic Time
1,366 views / 1 likes - addedBy looking at the layers beneath our feet, geologists have been able to identify and describe crucial episodes in life’s history. These key events frame the chapters in the story of life on earth and the system we use to bind all these chapters together i
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10:54
The Last Time the Globe Warmed
483 views / 0 likes - addedTry CuriosityStream today: http://curiositystream.com/eons Imagine an enormous, lush rainforest teeming with life...in the Arctic. Well there was a time -- and not too long ago -- when the world warmed more than any human has ever seen. (So far) Produced
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06:17 Popular
When Whales Walked
944 views / 6 likes - addedWe know whales as graceful giants bound to the sea. But what if we told you there was actually a time when whales could walk. Signup for your FREE trial to The Great Courses Plus here: http://ow.ly/x0Hi30egd4K Produced in collaboration with PBS Digital St
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12:20
An Illustrated History of Dinosaurs
585 views / 0 likes - addedOur image of dinosaurs has been constantly changing since naturalists started studying them about 350 years ago. Taken together, these pictures can tell us a whole lot about just how much we have learned. Let's explore the history of dinosaur science as s
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07:25 Popular
What Happened to the World's Greatest Ape?
806 views / 1 likes - addedProbably twice the size of a modern gorilla, Gigantopithecus is the greatest great-ape that ever was. And for us fellow primates, there are some lessons to be learned in how it lived, and why it disappeared. Produced in collaboration with PBS Digital Stud
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07:57
How Two Microbes Changed History
609 views / 0 likes - addedWhat if I told you that, more than two billion years ago, some tiny living thing started to live inside another living thing … and never left? And now, the descendants of both of those things are in you? Produced in collaboration with PBS Digital Studios:
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05:55 Popular
The Time Terror Birds Invaded
779 views / 3 likes - addedAbout 5 million years ago, a new predator made its way from the south and onto the coastal plains of North America. It was a giant, flightless, carnivorous bird and came to be known by one of the coolest and most richly earned nicknames in all of paleonto
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06:41
Untangling the Devil's Corkscrew
638 views / 0 likes - addedIn the late 1800s, paleontologists in Nebraska found huge coils of hardened sand stuck deep in the earth. Local ranchers called them Devil's Corkscrews and scientists called them Daemonelix. It was clear these corkscrews were created by some form of life,
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07:21 Popular
The Great Snake Debate
780 views / 3 likes - added90 million years ago, an ancient snake known as Najash had...legs. It is by no means the only snake to have limbs either. But what’s even stranger: we’re not at all sure where it came from. Produced in collaboration with PBS Digital Studios: http://youtub
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09:18
The Whole Saga of the Supercontinents
553 views / 0 likes - addedThe 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 he
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06:38
When Giant Fungi Ruled
658 views / 0 likes - added420 million years ago, a giant feasted on the dead, growing slowly into the largest living thing on land. It belonged to an unlikely group of pioneers that ultimately made life on land possible -- the fungi. Produced in collaboration with PBS Digital Stud
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