Search Results: "alexandria cortez biography"

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08:14
What Really Happened to the Library of Alexandria?

510 views / 0 likes - added 6 years ago

Picture the Recipe: https://www.youtube.com/channel/UCEBtDzuikFw24LPsgGyW1AQ If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Si
04:53
What really happened to the Library of Alexandria? - Elizabeth Cox

564 views / 0 likes - added 5 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-really-happened-to-the-library-of-alexandria-elizabeth-cox 2,300 years ago, the rulers of Alexandria set out to fulfill a very audacious goal: to c
05:05
The murder of ancient Alexandria's greatest scholar - Soraya Field Fiorio

459 views / 1 likes - added 4 years ago

Dive into the life of one of Ancient Romes most powerful figures, Hypatia of Alexandria, a renowned scholar and political advisor to the city's leaders.--In the city of Alexandria in 415 CE, the bishop and the governor were in a fight. It started with a d
03:07
"Ode To Joy" by Jamey Turner on the Glass Harp in Alexandria, VA

480 views / 1 likes - added 5 years ago

Amazing performance on March 21st, 2009. You can check his website @ http://jameyturner.com/
00:46
Can You INVENT a Number? Yes. #shorts

203 views / 0 likes - added 2 years ago

What do you do when you've got a mathematical expression that's unsolvable because the numbers you need don't exist? You do what Hero of Alexandria did: you just invent one. That's how we got the concept of imaginary numbers, which Rene Descartes derided
The History of Electrical Engineering: Crash Course Engineering #4

386 views / 1 likes - added 4 years ago

Next stop on our tour of engineerings major fields: electrical engineering. In this episode well explore the history of telecommunications, electric power and lighting, and computers. Well introduce topics like magnetism, electrical conduction, telegraphy
01:14
This Marine Behemoths Favorite Food is Practically Microscopic

353 views / 0 likes - added 4 years ago

The whale shark is one of the largest creatures in the sea which makes it particularly ironic that its diet is composed almost entirely of one of the smallest: plankton.From the Series: Great Blue Wild: Sea of Cortez http://bit.ly/2VOecBd
04:57
Happy Birthday, Sir Isaac Newton!

575 views / 1 likes - added 5 years ago

There's a birthday party at the fort, for one of history's most important scientists, Isaac Newton! ---------- Love SciShow Kids and want to help support it? Become a patron on Patreon: https://www.patreon.com/scishowkids ---------- Looking for SciShow el
05:00
The Woman Who Made Van Gogh Famous

400 views / 0 likes - added 4 years ago

If you liked this video you might like my newsletter - michaelthomas.substack.com Animation for this video was done by Marco Alma - marcoalma.com Footage from the Van Gogh museum is used under Creative Commons More about Jo Bonger here - https://www.vango
17:00 Popular
7 EGYPTIAN Magic Tricks Revealed!

1,199 views / 2 likes - added 6 years ago

Easy Magic Tricks in Egypt! Magic Shop ► http://www.EvanEraTV.com ► Subscribe - http://bit.ly/SubToEvan Magic Tricks in Cairo, Egypt! In this special Around The World edition of How To Magic, Evan and the crew travel to the Great Pyramids at Giza in Cairo
36:40
Navy SEAL Astronauts - Smarter Every Day 243

349 views / 0 likes - added 3 years ago

Get 1st Audiobook + access to monthly selection of Audible Originals for free when you try Audible for 30 days https://www.audible.com/smarter or TXT smarter to 500500Click here if you're interested in subscribing: http://bit.ly/Subscribe2SED Click below
49:14
James Burke Connections, Ep. 2 "Death in the Morning"

520 views / 0 likes - added 4 years ago

"Death in the Morning" examines the standardisation of precious metal with the touchstone in the ancient world. This innovation stimulated trade from Greece to Persia, ultimately causing the construction of a huge commercial center and library at Alexandr
09:51 Popular
3 People Who Probably Saved Your Life

729 views / 0 likes - added 8 years ago

Today we are talking about 3 scientists who, through their collective inventions and discoveries, have saved millions of lives. Hosted by: Michael Aranda Annotation How Measles Made a Comeback https://youtu.be/kjFPUoIXd80 ---------- Support SciShow by bec
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00:51
3D Printing Boosts Dreams of Student Violinist

506 views / 0 likes - added 5 years ago

(21 Apr 2017) Ten-year-old Isabella Cabrera does not have a left hand but is learning to play the violin, thanks to a special prosthetic device designed by students at George Mason University and built from a 3D printer. Isabella's music teacher is a grad
02:23 Popular
Wright Brothers Didn't Invent Flight

1,112 views / 6 likes - added 8 years ago

If you would like to read more about the development of the Wright Flyer I have companion article on my website, available here: http://tinyurl.com/gm8smlx The Wright Brothers are often credited as being the inventors of flight, this isn't entirely true a
03:39 Popular
What's At The End Of The Universe?

1,001 views / 0 likes - added 6 years ago

The Big Bang Theory says the universe is expanding. But, what's at the very end of our universe? Watch more: What Would A Parallel Universe Even Be Like? ►► https://www.youtube.com/watch?v=snuKukJLXIs&list=PL8L0MzSk_V6JtEDRfRMyb6rFd1acqYSlO&index=115&t=0s
03:14
Blame it on the DNA

401 views / 0 likes - added 5 years ago

Lyrics by Mr. Cortez (Hogan High School) and Tom McFadden. DISCLAIMER: We wrote this song to get students excited about the basics of protein synthesis and how proteins can affect phenotypes, including disease phenotypes. Note that very few things in life
05:12 Popular
Into the Forest with Jane Goodall!

1,536 views / 9 likes - added 6 years ago

Jane Goodall is an amazing scientist and conservationist who has dedicated her life to learning about and protecting chimpanzees! Thanks to her, we've learned that, sometimes, people and animals aren't so different! Learn more about her and her work with
05:23
Why is it so hard to cure cancer? - Kyuson Yun

671 views / 1 likes - added 6 years ago

Download a free audiobook and support TED-Ed's nonprofit mission: http://adbl.co/2gauxND Check out Siddhartha Mukherjee's "The Emperor of All Maladies": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/the-emperor-of-all-maladies-a
10:24
Leeuwenhoek: The First Master of Microscopes

174 views / 0 likes - added 2 years ago

Go to https://curiositystream.com/microcosmos and use code "microcosmos" to sign up for CuriosityStream -- just $14.99 for the whole YEAR.Follow Journey to the Microcosmos:Twitter: https://twitter.com/journeytomicroFacebook: https://www.facebook.com/Journ
04:31
What Is The Silver Tsunami?

652 views / 4 likes - added 5 years ago

Something big is coming…and it's called The Silver Tsunami? Check out Hollywood Health & Society: https://hollywoodhealthandsociety.org Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life Noggin merch: http://keeponthinking.co Follow Life No
18:40
The Ridiculous Way We Used To Calculate Pi

362 views / 0 likes - added 3 years ago

For thousands of years, mathematicians were calculating Pi the obvious but numerically inefficient way. Then Newton came along and changed the game. This video is sponsored by Brilliant. The first 314 people to sign up via https://brilliant.org/veritasium
02:53 Popular
"Can't Dance" by Meghan Trainor - Cover by Brianna Leah | Trolls Presents SONGS THAT STICK

1,108 views / 2 likes - added 5 years ago

Brianna Leah performs "Can't Dance" by Meghan Trainor presented by DreamWorks Animation's TROLLS. CONNECT WITH BRIANNA LEAH: http://www.youtube.com/BriannaCuriel https://www.instagram.com/briannaleah https://twitter.com/Briannacuriel → Credits ← Performed
12:10 Popular
How Evolution Works (And How We Figured It Out)

750 views / 0 likes - added 4 years ago

Watch 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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Einstein's Greatest Mistake - with David Bodanis

621 views / 0 likes - added 7 years ago

Albert Einstein is widely considered to be the greatest genius of all time. But in the final decades of his life, he was mostly ignored by his colleagues. Writer David Bodanis explores the genius and hubris of the titan of modern science. Watch the Q&A: h
09:22 Popular
How Did George Washington Die

1,422 views / 7 likes - added 7 years ago

→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 →How "Dick" came to be short for 'Richard': https://youtu.be/BH1NAwwKtcg?list=PLR0XuDegDqP2Acy6g9Ta7hzC0Rr3RDS6q Never run out of things to say at the wate
24:37
The Sky in 350 Billion Years

163 views / 0 likes - added 2 years ago

How did Hubble discover the expansion of the universe? Thank you to BetterHelp for sponsoring today's video. Click here for 10% off your first month - https://betterhelp.com/physicsgirlSupport Physics Girl videos https://www.patreon.com/physicsgirlCreator
11:17 Popular
Water - Liquid Awesome: Crash Course Biology #2

1,645 views / 0 likes - added 9 years ago

Hank teaches us why water is one of the most fascinating and important substances in the universe. Follow SciShow on Twitter: http://www.twitter.com/scishow Like SciShow on Facebook: http://www.facebook.com/scishow Review: Re-watch = 00:00 Introduction =
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04:50
How IKEA gets you to impulsively buy more

626 views / 0 likes - added 5 years ago

IKEA has mastered the “Gruen effect.” Subscribe to our channel! http://goo.gl/0bsAjO Researchers estimate that 50 percent of purchases are unplanned. These purchases, especially impulse buys, present an opportunity for retailers who can entice consumers t
09:21
Was Sherlock Holmes Based on a Real Person?

542 views / 0 likes - added 7 years ago

→DOLLAR SHAVE CLUB! http://dollarshaveclub.com/brainfood →Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 →How "Dick" came to be short for 'Richard': https://youtu.be/BH1NAwwKtcg?list=PLR0XuDegDqP2Acy6g9T
06:37 Popular
Model Skinny Shamed By Casting Director, Ending Is So Shocking | Dhar Mann

2,711 views / 12 likes - added 3 years ago

Being skinny is okay. Not being skinny is okay. Making fun of someone for their body type is not okay. Hey #DharMannFam, thanks for watching my video! For exclusive giveaways & more inspirational content follow me on Instagram here: http://bit.ly/2Kcbgs2A
11:31
When a Billion Years Disappeared

350 views / 0 likes - added 3 years ago

In 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
09:14
How the Egg Came First

541 views / 0 likes - added 3 years ago

The 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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Napoleon Bonaparte: Crash Course European History #22

1,123 views / 5 likes - added 4 years ago

We try not to get into too much great man history here at Crash Course, but we have to admit: Napoleon Bonaparte is a pretty big deal. Join us as we track the rise, further rise, fall, rise, fall, mortal fall, and posthumous rise of Napoleon. This guy cha
16:34
Economic Depression and Dictators: Crash Course European History #37

545 views / 0 likes - added 4 years ago

We're still leading up to World War II, but first we gotta talk about the rise of the dictators. Today we talk about the rise of militaristic dictatorships in Germany, the Soviet Union, Japan, and Spain, and the economic depression that set the stage for
A Short Tale About Diplodocus' Long Neck

178 views / 0 likes - added 2 years ago

PBS 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
09:58
The Forgotten Story of the Beardogs

336 views / 0 likes - added 4 years ago

Because 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
11:37
When Bats Took Flight

448 views / 1 likes - added 4 years ago

Bats 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
08:55
The Giant Bird That Got Lost in Time

469 views / 1 likes - added 5 years ago

The 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
10:39
How Earth's First, Unkillable Animals Saved the World

382 views / 0 likes - added 4 years ago

Support 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
04:55 Popular
Uptown Funk - Mark Ronson ft. Bruno Mars cover by Ky Baldwin

1,417 views / 3 likes - added 6 years ago

Hey guys, ever since "Uptown Funk" by Mark Ronson ft. Bruno Mars came out i've wanted to do a cover, and finally i got myself together and made this video!!! Hope you guys enjoy! Get my EP "The Beginning" :) https://itunes.apple.com/us/album/the-beginning
09:02
The Raptor That Made Us Rethink Dinosaurs

372 views / 0 likes - added 4 years ago

Get 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
00:56
Theres something weird about this 105 million-year-old amber.

177 views / 0 likes - added 6 months ago

*****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
09:05
How Pterosaurs Got Their Wings

404 views / 1 likes - added 4 years ago

When 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
09:24
The Fuzzy Origins of the Giant Panda

502 views / 1 likes - added 4 years ago

To 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
12:43
When We Took Over the World

434 views / 1 likes - added 5 years ago

Check 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
10:59
How Volcanoes Froze the Earth (Twice)

467 views / 0 likes - added 4 years ago

Over 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
11:06 Popular
The Truth About 10 Famous Inventions

962 views / 0 likes - added 8 years ago

Did Thomas Edison invent the lightbulb? I mean... kind of... but also... no. Every great, world-changing invention is the culmination of efforts by dozens or hundreds of people, spanning decades or centuries. Hosted by: Hank Green ---------- Support SciSh
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01:00
How did humans become (mostly) right-handed?

82 views / 0 likes - added 6 months ago

Being 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
11:01
When the Earth Suddenly Stopped Warming

307 views / 0 likes - added 3 years ago

For 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
07:26
Bugs Arent Brainless! | Storytime: Charles Henry Turner

343 views / 0 likes - added 3 years ago

Did you know that bees can remember things? It's true, and it's thanks to Dr. Charles Henry Turner that we know so much about insects!----------Love SciShow Kids and want to help support it? Become a Patron on Patreon: https://www.patreon.com/scishowIf yo
12:21
How Humans Lost Their Fur

330 views / 0 likes - added 3 years ago

Were 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
00:58
Why did blinking evolve?

129 views / 0 likes - added 6 months ago

We 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
12:34
The Giant Dinosaur That Was Missing a Body

393 views / 1 likes - added 4 years ago

From 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
08:14
The Case of the Dinosaur Egg Thief

471 views / 0 likes - added 4 years ago

Check 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
08:13
How We Domesticated Cats (Twice)

664 views / 0 likes - added 4 years ago

A 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
08:35
When the Sahara Was Green

290 views / 0 likes - added 3 years ago

Check 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
10:40
When Giant Lemurs Ruled Madagascar

484 views / 1 likes - added 4 years ago

Our 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
09:58
When Dinosaurs Chilled in the Arctic

379 views / 0 likes - added 3 years ago

All 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
08:33
When the Rainforests Collapsed

292 views / 0 likes - added 3 years ago

Check 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
08:46
The Island of the Last Surviving Mammoths

197 views / 1 likes - added 2 years ago

The 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
10:39
Why The Giraffe Got Its Neck

89 views / 0 likes - added 6 months ago

How 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
10:11
How South America Made the Marsupials

475 views / 0 likes - added 4 years ago

Throughout 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
03:48 Popular
Marshmello - Together (Official Music Video)

3,499 views / 16 likes - added 5 years ago

Together music video is live! This is a reminder that despite our different cultures and backgrounds, we're all the same ❤️ NEW Mello™️ by Marshmello gear SHOP NOW ▶ http://mellogang.com Click Here To Watch The Happier Music Video ▶ https://youtu.be
08:28 Popular
The Traits That Spawned the Age of Mammals

805 views / 0 likes - added 2 years ago

Lots 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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How Ancient Art Captured Australian Megafauna

346 views / 1 likes - added 3 years ago

Check 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
11:40
When Penguins Went From The Sky To The Sea

412 views / 0 likes - added 3 years ago

Thank 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
10:07
The Pandemic That Lasted 15 Million Years

349 views / 0 likes - added 3 years ago

Our 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
08:17
How the Walrus Got Its Tusks

394 views / 0 likes - added 3 years ago

The 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
09:55
How Dogs (Eventually) Became Our Best Friends

353 views / 0 likes - added 3 years ago

Were 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
09:35
When Lizards Took Over the World

307 views / 0 likes - added 3 years ago

Check 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
09:58
When Ichthyosaurs Led a Revolution in the Seas

324 views / 0 likes - added 4 years ago

The 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
08:44
How a Mass Extinction Event Created the Amazon

534 views / 0 likes - added 2 years ago

The 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
10:26
How 7,000 Years of Epic Floods Changed the World (w/ SciShow!)

632 views / 0 likes - added 5 years ago

Try 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
10:00
How Humans Became (Mostly) Right-Handed

288 views / 0 likes - added 3 years ago

Thank 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
12:45
The Island of Huge Hamsters and Giant Owls

539 views / 0 likes - added 5 years ago

Check 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
07:07
The Sea Monster from the Andes

432 views / 0 likes - added 3 years ago

In 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
11:16
The Mystery Behind the Biggest Bears of All Time

480 views / 0 likes - added 5 years ago

Our 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
10:28
When Hobbits Were Real

421 views / 0 likes - added 4 years ago

Thanks 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
12:55
Why We Can't Invent a Perfect Engine: Crash Course Engineering #10

674 views / 0 likes - added 4 years ago

Weve introduced the 0th and 1st laws of thermodynamics, so now its time to move on to the second law and how we came to understand it. Well explain the differences between the first and second law, and well talk about the Carnot cycle and why we can never
08:40
What Happened to the World's Biggest Beaver?

394 views / 0 likes - added 3 years ago

Check 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
09:12
When Rodents Had Horns

344 views / 0 likes - added 3 years ago

These 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
03:13
How Do Pneumatic Tubes Work?

657 views / 0 likes - added 8 years ago

The Internet has been called a series of tubes. But long before email, people sent messages across cities through networks of pneumatic tubes. Learn how they work! Learn more at HowStuffWorks.com: http://electronics.howstuffworks.com/everyday-tech/pneumat
08:05
How a Hot Planet Created the World's Biggest Snake

614 views / 5 likes - added 3 years ago

About 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
02:35 Popular
Marshmello - Here With Me Feat. CHVRCHES [Alternative Music Video]

2,668 views / 17 likes - added 5 years ago

Marshmello - Here With Me Feat. CHVRCHES [Alternative Music Video] Purchase/Stream 'Here With Me' ▶ https://marshmello.lnk.to/herewithme SHOP Limited Edition 'Here With Me' Merch ▶ http://mellogang.com [✖‿✖] SUBSCRIBE HERE ▶ http://youtube.com/marshmellom
09:10 Popular
Stress, Strain & Quicksand: Crash Course Engineering #12

779 views / 0 likes - added 4 years ago

Today were talking all about fluid mechanics! Well look at different scales that we work with as engineers, mass and energy transfers, the no-slip condition, stress and strain, Newtons law of viscosity, Reynolds number, and more!Crash Course Engineering i
11:40
Where Are All the Medium-Sized Dinosaurs?

168 views / 0 likes - added 2 years ago

The 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,
09:08
The Croc That Ran on Hooves

421 views / 0 likes - added 5 years ago

Our 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
09:04
How Our Deadliest Parasite Turned To The Dark Side

243 views / 0 likes - added 2 years ago

Around 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
12:16
How the Starfish Got Its Arms

205 views / 1 likes - added 2 years ago

Thank 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 -
10:30
How Plants Caused the First Mass Extinction

388 views / 0 likes - added 3 years ago

Check 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
09:01
The Fossil Record In Your Mouth

180 views / 0 likes - added 2 years ago

The 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
04:48
What Makes Rubber Rubbery?

649 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Check out more slo-mo footage from Florian Knorn here: https://www.youtube.com/user/elfloz/videos Sports balls of all varieties whether it be soccer, or hockey, or tennis, owe their resilience and reliability to an un
08:01
The Creature That Stumped Darwin

189 views / 0 likes - added 2 years ago

Check 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
09:46
When Ants Domesticated Fungi

192 views / 0 likes - added 2 years ago

While 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
12:48
The Genes We Lost Along the Way

274 views / 0 likes - added 3 years ago

Our 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
03:50
1950s vs. NOW: Did Mid-Century Futurism Flop?

386 views / 0 likes - added 4 years ago

What kind of future did the people of the 1950s predict? Did people get the tech they wanted?Watch more: Could You Handle Being An Adult In The 70s?: https://www.youtube.com/watch?v=QgQwXGubNjgSubscribe: https://bit.ly/SubLifeNoggin | Get your exclusive L
11:50
7 Science Illustrators You Should Know

449 views / 0 likes - added 7 years ago

Long before we had cameras scientists still needed visual documentation—enter the science illustrator! Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the
09:18
The Whole Saga of the Supercontinents

546 views / 0 likes - added 6 years ago

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 he
51:51
What is life and how does it work? - with Philip Ball

43 views / 0 likes - added 1 month ago

Discover a leading-edge new vision of biology that will revise our concept of what life itself is, and how to enhance it. Sign up as a member to watch the Q&A for this talk, and get early ad-free access to all our talks: https://youtu.be/CEoJ88W4aXQ B
09:31
The Two Viruses That Weve Had For Millions of Years

324 views / 0 likes - added 3 years ago

Theres 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
10:06
The Law of Conservation: Crash Course Engineering #7

301 views / 0 likes - added 4 years ago

Today Shini explains the law of conservation, beginning with simple, steady-state systems. Well discuss conversion and yield, accumulation, and how generation and consumption can affect how much accumulation there is in a system.This episode is sponsored
12:14
When Antarctica Was Green

422 views / 0 likes - added 4 years ago

Help 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
09:56
The First and Last North American Primates

386 views / 0 likes - added 3 years ago

How 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
11:03
The Reign of the Hell Ants

368 views / 0 likes - added 3 years ago

This 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
10:31 Popular
This Is How Your Body Builds Immunity

1,477 views / 0 likes - added 4 years ago

We encounter bacteria, viruses and parasites all the time, but how exactly does our immune system kill these dangerous pathogens? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Human! http://bit.ly/HUMANplaylist Visit our shop at http://sho
03:19
Sesame Street - Mahna Mahna (1969)

473 views / 1 likes - added 3 years ago

From 1969 (Ep 14, aired on November 27, 1969), the first performance of the classic "Mahna Mahna" by Bip Bippadotta (Jim Henson) and two Anything Muppet girls (Frank Oz and Loretta Long). Not new to YT, just a cleaner source. CLICK ON SHOW MORE FOR INFO A
10:51
When Pterosaurs Walked

192 views / 0 likes - added 2 years ago

Take 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
09:03 Popular
Are GMOs Good or Bad? Genetic Engineering & Our Food

1,065 views / 2 likes - added 7 years ago

Are GMOs bad for your health? Or is this fear unfounded? Support us on Patreon so we can make more videos (and get cool stuff in return): https://www.patreon.com/Kurzgesagt?ty=h Kurzgesagt merch here: http://bit.ly/1P1hQIH Get the music of the video here:
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07:25
The Biggest Frog that Ever Lived

457 views / 0 likes - added 3 years ago

Untangling 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
03:07
Dinosaur Parasites!

557 views / 0 likes - added 6 years ago

Even the mighty T. rex was covered in creepy, crawly parasites. Subscribe! http://bit.ly/1FkxVLb ‖ Twitter! https://twitter.com/gross_science ‖ Tumblr! http://grossscience.tumblr.com/ ↓Want more gross info?↓ Common Avian Infection Plagued the Tyrant Dinos
11:48
Can We Get DNA From Fossils?

553 views / 0 likes - added 5 years ago

In 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
12:41
When Sharks Swam the Great Plains

410 views / 2 likes - added 5 years ago

Check 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
08:32
The Ghostly Origins of the Big Cats

490 views / 0 likes - added 5 years ago

Learn 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
10:12
When Camels Roamed North America

433 views / 1 likes - added 5 years ago

Camels 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
09:32
The Two People We're All Related To

370 views / 0 likes - added 5 years ago

Check 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
04:19 Popular
Did The Brontosaurus Exist?

916 views / 3 likes - added 8 years ago

The Brontosaurus technically hasn't existed in the living/breathing sense of the word for 150 million years. But did it ever exist? Was this iconic dinosaur the result of misclassification? Learn about the Bone Wars with Stuff You Missed In History Class:
11:13 Popular
Why Megalodon (Definitely) Went Extinct

1,353 views / 11 likes - added 5 years ago

For 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
10:48
5 Periodic Tables We Don't Use (And One We Do)

413 views / 0 likes - added 5 years ago

From Mendeleevs original design to physicist-favorite left-step rendition, the periodic table of elements has gone through many iterations since it was first used to organize elements 150 years ago - each with its own useful insights into the patterns of
14:36
The History of Climate Cycles (and the Woolly Rhino) Explained

405 views / 0 likes - added 5 years ago

Learn 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
20:44 Popular
The Man Who Killed Millions and Saved Billions

1,530 views / 3 likes - added 7 months ago

YES, THIS IS A REUPLOAD. The original was age-restricted and demonetized. To support the channel directly, you can buy Snatoms: https://ve42.co/snatoms1 https://ve42.co/amzn or support on Patreon: https://ve42.co/pFritz Haber is the scientist who arguably
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11:03
The Triassic Reptile With "Two Faces"

315 views / 0 likes - added 3 years ago

Figuring 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
10:53 Popular
When Giant Amphibians Reigned

859 views / 1 likes - added 5 years ago

Try 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
21:28 Popular
Mean Guy RUINS GIRL'S BIRTHDAY PARTY, What Happens Is Shocking | Dhar Mann

711 views / 1 likes - added 1 year ago

Download my FREE mobile app App Store = https://apple.co/3nhvjapGoogle Play = https://bit.ly/3DRzS1I Don't forget to SUBSCRIBE to my channel by clicking here http://bit.ly/DharMannYouTube **Make sure you CLICK THE BELL ICON so you can get notifications wh
09:48
The Evolution of the Heart (A Love Story)

392 views / 0 likes - added 5 years ago

You 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
12:21
How Sloths Went From the Seas to the Trees

563 views / 0 likes - added 5 years ago

The 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
07:32
When Birds Stopped Flying

517 views / 0 likes - added 5 years ago

Support 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
16:06
How Horses Save Humans From Snake Bites

267 views / 1 likes - added 2 years ago

This video is sponsored by Brilliant. The first 200 people to sign up via https://brilliant.org/veritasium get 20% off a yearly subscription. To make antivenom, you first need to collect venom from the worlds most deadly snakes.Huge thanks to the Australi
14:42
The Invention of Dragons

511 views / 0 likes - added 5 years ago

Watch my newest video, "The Game You Win By Losing (Parrondo's Paradox)": https://youtu.be/PpvboBJEozMVitality that is the test; and, whatever its components, mere truth is not necessarily one of them. A dragon, for instance, is a more enduring animal tha
10:17
The Missing Link That Wasn't

395 views / 1 likes - added 4 years ago

The 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
33:45
Why It Was Almost Impossible to Make the Blue LED

44 views / 0 likes - added 3 months ago

The blue LED was supposed to be impossibleuntil a young engineer proposed a moonshot idea. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription.If youre looking for a
12:22
The Humans That Lived Before Us

416 views / 1 likes - added 5 years ago

As 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
08:55
When Apes Conquered Europe

485 views / 0 likes - added 5 years ago

Check 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
10:28
How Blood Evolved (Many Times)

547 views / 0 likes - added 5 years ago

Blood 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.
12:26
Your Place in the Primate Family Tree

462 views / 0 likes - added 5 years ago

Our 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
12:15
The Island of Shrinking Mammoths

402 views / 1 likes - added 5 years ago

You 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
10:10
When We First Made Tools

445 views / 0 likes - added 5 years ago

Try 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
12:57
When We Tamed Fire

510 views / 0 likes - added 5 years ago

Our 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
10:20
When Rodents Rafted Across the Ocean

392 views / 0 likes - added 5 years ago

Support 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
11:41
When Giant Scorpions Swarmed the Seas

521 views / 2 likes - added 5 years ago

Try 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
09:52
When Humans Were Prey

473 views / 0 likes - added 5 years ago

Not 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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