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  • 12:36 A Brief History Of The Universe: Crash Course Astronomy #44

    A Brief History Of The Universe: Crash Course Astronomy #44

    343 views / 0 likes - added

    Thanks to the wonders of physics, astronomers can map a timeline of the universe’s history. Today, Phil’s going to give you an overview of those first few minutes (yes, MINUTES) of the universe’s life. It started with a Big Bang, when the Universe was inc

  • 12:12 Introduction to Astronomy: Crash Course Astronomy #1

    Introduction to Astronomy: Crash Course Astronomy #1

    332 views / 1 likes - added

    Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?" -- Table of Contents: What is Astronomy? 3:00 Who Studie

  • 12:12 ‎2,000 Years of Chinese History! The Mandate of Heaven and Confucius: World History #7

    ‎2,000 Years of Chinese History! The Mandate of Heaven and Confucius: World History #7

    410 views / 1 likes - added

    2,000 Years of Chinese History! The Mandate of Heaven and Confucius: Crash Course World History #7 In which John introduces you to quite a lot of Chinese history by discussing the complicated relationship between the Confucian scholars who wrote Chinese h

  • 04:28 History of the Holidays: Columbus Day | History

    History of the Holidays: Columbus Day | History

    278 views / 0 likes - added

    How Columbus Day came to be celebrated. HISTORY®, now reaching more than 98 million homes, is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manne

  • 11:23 Everything, The Universe...And Life: Crash Course Astronomy #46

    Everything, The Universe...And Life: Crash Course Astronomy #46

    368 views / 1 likes - added

    Here it is, folks: the end. In our final episode of Crash Course Astronomy, Phil gives the course a send off with a look at some of his favorite topics and the big questions that Astronomy allows us to ask. Thank you for watching. -- Crash Course Astronom

  • 12:26 Black Holes: Crash Course Astronomy #33

    Black Holes: Crash Course Astronomy #33

    443 views / 3 likes - added

    We’ve covered a lot of incredible stuff, but this week we’re talking about the weirdest objects in space: BLACK HOLES. Stellar mass black holes form when a very massive star dies, and its core collapses. The core has to be more than about 2.8 times the Su

  • 13:33 Japan in the Heian Period and Cultural History: Crash Course World History 227

    Japan in the Heian Period and Cultural History: Crash Course World History 227

    575 views / 4 likes - added

    In which John Green teaches you about what westerners call the middle ages and the lives of the aristocracy...in Japan. The Heian period in Japan lasted from 794CE to 1185CE, and it was an interesting time in Japan. Rather than being known for a thriving

  • 11:14 The Milky Way: Crash Course Astronomy #37

    The Milky Way: Crash Course Astronomy #37

    239 views / 0 likes - added

    Today we’re talking about our galactic neighborhood: The Milky Way. It’s a disk galaxy, a collection of dust, gas, and hundreds of billions of stars, with the Sun located about halfway out from the center. The disk has grand spiral patterns in it, formed

  • 12:00 Dark Matter: Crash Course Astronomy #41

    Dark Matter: Crash Course Astronomy #41

    242 views / 0 likes - added

    Today on Crash Course Astronomy, Phil dives into some very dark matters. The stuff we can actually observe in the universe isn’t all there is. Galaxies and other large structures in the universe are created and shifted by a force we detect mostly indirect

  • 15:15 Deep Time: Crash Course Astronomy #45

    Deep Time: Crash Course Astronomy #45

    300 views / 0 likes - added

    As we approach the end of Crash Course Astronomy, it’s time now to acknowledge that our Universe’s days are numbered. Stars will die out after a few trillion years, protons will decay and matter will dissolve after a thousand trillion trillion trillion ye

  • 12:57 Neutron Stars: Crash Course Astronomy #32

    Neutron Stars: Crash Course Astronomy #32

    335 views / 0 likes - added

    In the aftermath of a 8 – 20 solar mass star’s demise we find a weird little object known as a neutron star. Neutrons stars are incredibly dense, spin rapidly, and have very strong magnetic fields. Some of them we see as pulsars, flashing in brightness as

  • 11:23 Dark Energy, Cosmology Part 2: Crash Course Astronomy #43

    Dark Energy, Cosmology Part 2: Crash Course Astronomy #43

    239 views / 0 likes - added

    The majority of the universe is made up of a currently mysterious entity that pervades space: dark energy. We don’t know exactly what it is, but we do know that dark energy accelerates the expansion of space. We think this means the Universe will expand f

  • 12:16 Nebulae: Crash Course Astronomy #36

    Nebulae: Crash Course Astronomy #36

    242 views / 1 likes - added

    Astronomers study a lot of gorgeous things, but nebulae might be the most breathtakingly beautiful of them all. Nebulae are clouds of gas and dust in space. They can glow on their own or reflect light from nearby stars. When they glow it’s usually predomi

  • 12:06 Galaxies, Part 1: Crash Course Astronomy #38

    Galaxies, Part 1: Crash Course Astronomy #38

    284 views / 0 likes - added

    The Milky Way is our neighborhood in the universe. It’s a galaxy and there are many others out there. Galaxies contain gas, dust, and billions of stars or more. They come in four main shapes: elliptical, spiral, peculiar, and irregular. Galaxies can colli

  • 13:23 The Big Bang: Crash Course Astronomy #42

    The Big Bang: Crash Course Astronomy #42

    454 views / 0 likes - added

    Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is expanding and how quickly its expanding also allows us to run the clock backwards 14 billion years to the way the universe began - with a

  • 10:36 Star Clusters: Crash Course Astronomy #35

    Star Clusters: Crash Course Astronomy #35

    209 views / 0 likes - added

    Last week we covered multiple star systems, but what if we added thousands or even millions of stars to the mix? A star cluster. There are different kinds of clusters, though. Open clusters contain hundreds or thousands of stars held together by gravity.

  • 14:05 Gamma-Ray Bursts: Crash Course Astronomy #40

    Gamma-Ray Bursts: Crash Course Astronomy #40

    293 views / 0 likes - added

    Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. Bursts come in two rough varieties: Long and short. Long ones are fr

  • 12:03 Low Mass Stars: Crash Course Astronomy #29

    Low Mass Stars: Crash Course Astronomy #29

    270 views / 0 likes - added

    Today we are talking about the life -- and death -- of stars. Low mass stars live a long time, fusing all their hydrogen into helium over a trillion years. More massive stars like the Sun live shorter lives. They fuse hydrogen into helium, and eventually

  • 12:01 Binary And Multiple Stars: Crash Course Astronomy #34

    Binary And Multiple Stars: Crash Course Astronomy #34

    315 views / 0 likes - added

    Double stars are stars that appear to be near each other in the sky, but if they’re gravitationally bound together we call them binary stars. Many stars are actually part of binary or multiple systems. If they are close enough together they can actually t

  • 03:50 Sundials = Astronomy with a Stick!

    Sundials = Astronomy with a Stick!

    125 views / 1 likes - added

    Science doesn't have to be complicated. In fact, for most of the history of our investigation of the universe we used nothing more than sticks and stones. Just because they are old doesn't mean they aren't cool though. Right? If you want to check out more

  • 10:17 Introduction to the Solar System: Crash Course Astronomy #9

    Introduction to the Solar System: Crash Course Astronomy #9

    499 views / 1 likes - added

    In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today. This episode is sponsored by Squaresp

  • 09:46 Popular Moon Phases: Crash Course Astronomy #4

    Moon Phases: Crash Course Astronomy #4

    884 views / 2 likes - added

    In this episode of Crash Course Astronomy, Phil takes you through the cause and name of the Moon's phases. -- Why the Moon Has Phases 0:36.1 Spheres in Orbit 1:05.4 Name of the Moon Phases 2:25.5 How We See It 7:48.2 -- PBS Digital Studios: http://youtube

  • 11:17 Naked Eye Observations: Crash Course Astronomy #2

    Naked Eye Observations: Crash Course Astronomy #2

    330 views / 0 likes - added

    Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with your naked eye. -- Table of Contents: Naked Eye Observations 0:28.4 Constellations 3:09.7 The Color of Stars 2:44.5 View of the

  • 15:35 Galaxies, Part 2: Crash Course Astronomy #39

    Galaxies, Part 2: Crash Course Astronomy #39

    249 views / 0 likes - added

    Active galaxies pour out lots of energy, due to their central supermassive black holes gobbling down matter. Galaxies tend not to be loners, but instead exist in smaller groups and larger clusters. Our Milky Way is part of the Local Group, and will one da

  • 12:17 High Mass Stars: Crash Course Astronomy #31

    High Mass Stars: Crash Course Astronomy #31

    286 views / 0 likes - added

    Massive stars fuse heavier elements in their cores than lower mass stars. This leads to the creation of heavier elements up to iron. Iron robs critical energy from the core, causing it to collapse. The shock wave, together with a huge swarm of neutrinos,

  • 04:17 The Most Important Astronomy Picture Ever Taken

    The Most Important Astronomy Picture Ever Taken

    268 views / 0 likes - added

    http://gplus.to/TonyDarnell http://twitter.com/DeepAstronomy http://facebook.com/SpaceFan I've recently discovered an animation that was rendered using the measured redshift of all 10,000 galaxies in the Hubble Ultra Deep Field image. I've written a short

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  • 11:21 Distances: Crash Course Astronomy #25

    Distances: Crash Course Astronomy #25

    257 views / 2 likes - added

    How do astronomers make sense out of the vastness of space? How do they study things so far away? Today Phil talks about distances, going back to early astronomy. Ancient Greeks were able to find the size of the Earth, and from that the distance to and th

  • 09:51 The Moon: Astronomy #12

    The Moon: Astronomy #12

    483 views / 0 likes - added

    Join Phil for a tour of our capital-M Moon, from surface features, inside to the core, and back in time to theories about its formation. This episode is brought to you by Squarespace: http://www.squarespace.com/crashcourse -- Table of Contents Many Millio

  • 11:33 Asteroids: Crash Course Astronomy #20

    Asteroids: Crash Course Astronomy #20

    336 views / 0 likes - added

    Now that we’ve finished our tour of the planets, we’re headed back to the asteroid belt. Asteroids are chunks of rock, metal, or both that were once part of smallish planets but were destroyed after collisions. Most orbit the Sun between Mars and Jupiter,

  • 11:55 Comets: Crash Course Astronomy #21

    Comets: Crash Course Astronomy #21

    352 views / 0 likes - added

    Today on Crash Course Astronomy, Phil explains comets. Comets are chunks of ice and rock that orbit the Sun. When they get near the Sun the ice turns into gas, forming the long tail, and also releases dust that forms a different tail. We’ve visited comets

  • 06:30 Decoding the ancient astronomy of Stonehenge

    Decoding the ancient astronomy of Stonehenge

    289 views / 0 likes - added

    The solstice alignments of Stonehenge, explained. Subscribe to our channel! http://goo.gl/0bsAjO Note: A previous version of this video referred imprecisely to "Neolithic Britain" when discussing the Newgrange tomb in Ireland. We have removed that phrasin

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  • 1:02:43 Khan Academy Live: AP US History

    Khan Academy Live: AP US History

    230 views / 0 likes - added

    Taking AP US History? Prep for the AP exam with our free live tutoring session. Kim, our history expert, will share tips and strategies for the exam. Study for AP US History on Khan Academy: https://www.khanacademy.org/humanities/us-history/ap-us-history

  • 03:57 This Could Be the End of Urban Astronomy (360 Video)

    This Could Be the End of Urban Astronomy (360 Video)

    186 views / 0 likes - added

    City lights are blinding our view of space, and its forcing urban astronomers to rethink the way they make observations. To make matters worse, a change in the type of lights being used could be the end of some observatories. Plunging Down an Ice Track at

  • 05:28 History of the 4th of July: Crash Course US History Special

    History of the 4th of July: Crash Course US History Special

    315 views / 0 likes - added

    In which John Green teaches you a bit about the 4th of July. In this special short Crash Course, John celebrates American Independence Day by teaching you how the holiday came to be on the 4th of July, and the many ways that Americans celebrate the day. T

  • 10:30 Jupiter's Moons: Crash Course Astronomy #17

    Jupiter's Moons: Crash Course Astronomy #17

    396 views / 0 likes - added

    Before moving on from Jupiter to Saturn, we’re going to linger for a moment on Jupiter’s moons. There are 67 known moons, and 4 huge ones that we want to explore in greater detail. Ganymede is the largest - larger, in fact, than any other moon in the sola

  • 12:01 Telescopes: Crash Course Astronomy #6

    Telescopes: Crash Course Astronomy #6

    332 views / 0 likes - added

    Today Phil explains how telescopes work and offers up some astronomical shopping advice. -- How Telescopes Work 1:07 Refractors vs Reflectors 2:50 Technology and the Light Spectrum 7:45 -- PBS Digital Studios: http://youtube.com/pbsdigitalstudios Follow P

  • 09:47 Tides: Crash Course Astronomy #8

    Tides: Crash Course Astronomy #8

    393 views / 0 likes - added

    Today Phil explores the world of tides! What is the relationship between tides and gravity? How do planets and their moons become tidally locked? What would happen if you were 300km tall? Important questions. -- Gravity Over Distance 0:44 Tidal Force Para

  • 10:32 Eclipses: Crash Course Astronomy #5

    Eclipses: Crash Course Astronomy #5

    351 views / 0 likes - added

    The big question in the comments last week was, "BUT WHAT ABOUT ECLIPSES?" Today, Phil breaks 'em down for you. This episode is sponsored by Squarespace: http://www.squarespace.com/crashcourse -- As promised, Phil's sun spotting recommendations: Astronome

  • 10:17 Gravitational Astronomy? How Detecting Gravitational Waves Changes Everything

    Gravitational Astronomy? How Detecting Gravitational Waves Changes Everything

    219 views / 0 likes - added

    We’ve now had multiple detections of gravitational waves, opening up a whole new field: gravitational astronomy. We talk about the detections made so far, and how we can see the Universe in a whole new way. Support us at: http://www.patreon.com/universeto

  • 05:41 Why Is Kubrick's "2001: A Space Odyssey" Significant? | History

    Why Is Kubrick's "2001: A Space Odyssey" Significant? | History

    135 views / 0 likes - added

    Take a journey through the history of science fiction and examine the cultural influences such as the Vietnam War, the Civil Rights Movement, and space exploration, that influenced Stanley Kubrick's 1968 visionary film "2001: A Space Odyssey". Subscribe f

  • 10:18 Mercury: Crash Course Astronomy #13

    Mercury: Crash Course Astronomy #13

    554 views / 5 likes - added

    Mercury is the closest planet to the sun. It has no atmosphere and is, as such, covered in craters. It's also incredibly hot but, surprisingly, has water ice hiding beneath its surface. -- Table of Contents Closest Planet to the Sun 0:03 Rotation Locked t

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  • 10:03 The Gravity of the Situation: Crash Course Astronomy #7

    The Gravity of the Situation: Crash Course Astronomy #7

    340 views / 0 likes - added

    In today's episode, Phil looks at how gravity plays out across the universe. This episode is sponsored by Squarespace: http://www.squarespace.com/crashcourse -- Gravity is a Force 2:17 Different Types of Orbit 3:41 Escape Velocity 5:30 Weightless Mass 7:0

  • 11:50 Exoplanets: Crash Course Astronomy #27

    Exoplanets: Crash Course Astronomy #27

    254 views / 0 likes - added

    Today Phil explains that YES, there are other planets out there and astonomers have a lot of methods for detecting them. Nearly 2000 have been found so far. The most successful method is using transits, where a planet physically passes in front of its par

  • 12:04 The Sun: Crash Course Astronomy #10

    The Sun: Crash Course Astronomy #10

    405 views / 1 likes - added

    Phil takes us for a closer (eye safe!) look at the two-octillion ton star that rules our solar system. We look at the sun's core, plasma, magnetic fields, sunspots, solar flares, coronal mass ejections, and what all of that means for our planet. This epis

  • 10:14 The Earth: Crash Course Astronomy #11

    The Earth: Crash Course Astronomy #11

    440 views / 0 likes - added

    Phil starts the planet-by-planet tour of the solar system right here at home, Earth. -- Table of Contents Earth is a Planet 0:03 Layers of Earth 1:25 The Magnetic Field 5:10 Atmosphere and the Human Influence 6:14 -- PBS Digital Studios: http://youtube.co

  • 10:50 Venus: Crash Course Astronomy #14

    Venus: Crash Course Astronomy #14

    502 views / 2 likes - added

    Venus is a gorgeous naked-eye planet, hanging like a diamond in the twilight -- but it’s beauty is best looked at from afar. Even though Mercury is closer to the sun, Venus is the hottest planet in the solar system, due to a runaway greenhouse effect, and

  • 10:34 Light: Crash Course Astronomy #24

    Light: Crash Course Astronomy #24

    323 views / 0 likes - added

    In order to understand how we study the universe, we need to talk a little bit about light. Light is a form of energy. Its wavelength tells us its energy and color. Spectroscopy allows us to analyze those colors and determine an object’s temperature, dens

  • 10:12 Mars: Crash Course Astronomy #15

    Mars: Crash Course Astronomy #15

    397 views / 3 likes - added

    The fourth planet from the sun and the outermost of the terrestrial planets, Mars has long been a popular spot for missions and imagination. Phil walks you through the planet's topography, core, and features. We'll take a look back to Mars's past and make

  • 12:16 Saturn: Crash Course Astronomy #18

    Saturn: Crash Course Astronomy #18

    456 views / 1 likes - added

    Saturn is the crown jewel of the solar system, beautiful and fascinating. It is a gas giant, and has a broad set of rings made of ice particles. Moons create gaps in the rings via their gravity. Saturn has dozens of moons, including Titan, which is as big

  • 10:41 Stars: Crash Course Astronomy #26

    Stars: Crash Course Astronomy #26

    289 views / 0 likes - added

    Today Phil’s explaining the stars and how they can be categorized using their spectra. Together with their distance, this provides a wealth of information about them including their luminosity, size, and temperature. The HR diagram plots stars’ luminosity

  • 10:44 Jupiter: Crash Course Astronomy #16

    Jupiter: Crash Course Astronomy #16

    441 views / 3 likes - added

    Jupiter is the biggest planet in our solar system. The gas giant is NOT a failed star, but a really successful planet! It has a dynamic atmosphere with belts and zones, as well as an enormous red spot that’s actually a persistent hurricane. Jupiter is sti

  • 09:29 Cycles in the Sky: Crash Course Astronomy #3

    Cycles in the Sky: Crash Course Astronomy #3

    291 views / 0 likes - added

    This week we build on our naked eye observations from last week and take a look at the cyclical phenomena that we can see at work in the universe. -- Table of Contents: Naked Eye Observations 0:28.4 Constellations 3:09.7 The Color of Stars 2:44.5 View of

  • 11:22 Meteors: Crash Course Astronomy #23

    Meteors: Crash Course Astronomy #23

    287 views / 2 likes - added

    Today Phil helps keep you from ticking off an astronomer in your life by making sure you know the difference between a meteor, meteorite, and meteoroid. When the Earth plows through the stream emitted by a comet we get a meteor shower. Meteors burn up abo

  • 05:17 The History Of Tattoos - Addison Anderson

    The History Of Tattoos - Addison Anderson

    272 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/the-history-of-tattoos-addison-anderson If you have a tattoo, you’re part of a rich cultural history that dates back at least 8,000 years. Where did this practice of body modification come from, and how has its

  • 11:20 The Black Legend, Native Americans, and Spaniards: Crash Course US History #1

    The Black Legend, Native Americans, and Spaniards: Crash Course US History #1

    339 views / 1 likes - added

    In which John Green kicks off Crash Course US History! Why, you may ask, are we covering US History, and not more World History, or the history of some other country, or the very specific history of your home region? Well, the reasons are many. But, like

  • 05:27 The 1995 Hubble photo that changed astronomy

    The 1995 Hubble photo that changed astronomy

    293 views / 0 likes - added

    The Hubble Deep Field, explained by the man who made it happen. Subscribe to our channel! http://goo.gl/0bsAjO Click here to download the Hubble Deep Field images: http://www.spacetelescope.org/science/deep_fields/ /// Vox.com is a news website that helps

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  • 11:41 The Oort Cloud: Crash Course Astronomy #22

    The Oort Cloud: Crash Course Astronomy #22

    304 views / 0 likes - added

    Now that we’re done with the planets, asteroid belt, and comets, we’re heading to the outskirts of the solar system. Out past Neptune are vast reservoirs of icy bodies that can become comets if they get poked into the inner solar system. The Kuiper Belt i

  • 12:19 Popular Uranus & Neptune: Crash Course Astronomy #19

    Uranus & Neptune: Crash Course Astronomy #19

    945 views / 5 likes - added

    Today we’re rounding out our planetary tour with ice giants Uranus and Neptune. Both have small rocky cores, thick mantles of ammonia, water, and methane, and atmospheres that make them look greenish and blue. Uranus has a truly weird rotation and relativ

  • 11:06 Brown Dwarfs: Crash Course Astronomy #28

    Brown Dwarfs: Crash Course Astronomy #28

    271 views / 0 likes - added

    While Jupiter is nowhere near massive enough to initiate fusion in its core, there are even more massive objects out there that fall just short of that achievement as well called brown dwarfs. Brown dwarfs, have a mass that places them between giant plane

  • 04:28 History vs. Cleopatra - Alex Gendler

    History vs. Cleopatra - Alex Gendler

    529 views / 3 likes - added

    View full lesson: ed.ted.com/lessons/history-vs-cleopatra-alex-gendler She was the most notorious woman in ancient history, a queen who enraptured not one but two of Rome’s greatest generals. But was she just a skilled seductress – or a great ruler in her

  • 29:08 The Remarkable Science of Ancient Astronomy | The Great Courses

    The Remarkable Science of Ancient Astronomy | The Great Courses

    303 views / 0 likes - added

    Why were the motions of the Sun, Moon, and stars so important to ancient people? Investigate key astronomical directions noticed by all cultures. Then embark on your study of Stonehenge, seeing how it gave birth to the field of archeoastronomy and to some

  • 04:07 New Astronomy Technique Reveals Monster at the Center of the Milky Way

    New Astronomy Technique Reveals Monster at the Center of the Milky Way

    269 views / 0 likes - added

    Stripping away the Milky Way's stars, planets, rocks and dust reveals a massive black hole lurking just 26,000 light years from Earth. | For more STRIP THE COSMOS, visit http://www.sciencechannel.com/tv-shows/strip-the-cosmos/#mkcpgn=ytsci1 Subscribe to S

  • 11:10 White Dwarfs & Planetary Nebulae: Crash Course Astronomy #30

    White Dwarfs & Planetary Nebulae: Crash Course Astronomy #30

    206 views / 0 likes - added

    Today Phil follows up last week’s look at the death of low mass stars with what comes next: a white dwarf. White dwarfs are incredibly hot and dense objects roughly the size of Earth. They also can form planetary nebulae: huge, intricately detailed object

  • 11:27 The History of the Republican Party

    The History of the Republican Party

    196 views / 1 likes - added

    Heading into the 2016 Republican National Convention, we thought it would be a good time to do a quick history of the GOP, from its origins before the Civil War through the elections of Lincoln, Eisenhower and Reagan. And where does that elephant symbol c

  • 01:31 A History of British India | The Great Courses

    A History of British India | The Great Courses

    271 views / 1 likes - added

    http://www.thegreatcourses.com/courses/a-history-of-british-india.html?ai=140638 A History of British India Hayden J. Bellenoit, D.Phil. U.S. Naval Academy Shaped by its richly diverse cultural heritage and by immensely significant historical events, the

  • 03:48 The History of Keeping Time - Karen Mensing

    The History of Keeping Time - Karen Mensing

    135 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/the-history-of-keeping-time Where did time-telling come from? What are time zones and why are there so many of them? Get the answers to these questions and more in this journey through the history of time -- fro

  • 08:03 The Erie Canal Explained: US History Review

    The Erie Canal Explained: US History Review

    271 views / 0 likes - added

    Take a quick trip down the Erie Canal of Explaining as we look at how this revolutionary transportation system changed the course of United States History. Join me as we lay down the tracks of learning by covering the basics on the Transcontinental Railro

  • 15:09 Mouse Cursor History (and why I made my own)

    Mouse Cursor History (and why I made my own)

    126 views / 0 likes - added

    History of the computer mouse cursor, or pointer. And why I designed my own cursor... Link to downloads (free): http://www.michieldb.nl/other/cursors/ Tracklist: https://soundcloud.com/posy/sets/mouse-cursor-history-music Posy on Spotify: https://open.spo

  • 13:58 The Modern Revolution: Crash Course Big History #8

    The Modern Revolution: Crash Course Big History #8

    322 views / 0 likes - added

    In which Hank and John Green teach you a Crash Course on the modern revolution, and the upside of the progress that humanity has made in the last 500 years or so. And while there are two sides to every history, and many of these changes haven't been great

  • 04:45 The History Of Marriage - Alex Gendler

    The History Of Marriage - Alex Gendler

    351 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/the-history-of-marriage-alex-gendler A white, puffy dress. Eternal love. A joint tax return. Marriage means something different to everyone and has changed over time and across cultures. Alex Gendler traces the

  • 04:32 A brief history of graffiti - Kelly Wall

    A brief history of graffiti - Kelly Wall

    462 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/a-brief-history-of-graffiti-kelly-wall Spray-painted subway cars, tagged bridges, mural-covered walls – graffiti pops up boldly throughout our cities. And it turns out: it’s nothing new. Graffiti has been around

  • 05:14 History’s deadliest colors - J. V. Maranto

    History’s deadliest colors - J. V. Maranto

    251 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/history-s-deadliest-colors-j-v-maranto When radium was first discovered, its luminous green color inspired people to add it into beauty products and jewelry. It wasn’t until much later that we realized that radi

  • 04:58 The history of tea - Shunan Teng

    The history of tea - Shunan Teng

    435 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/the-history-of-tea-shunan-teng Tea is the second most consumed beverage in the world after water –– and from sugary Turkish Rize tea to salty Tibetan butter tea, there are almost as many ways of preparing the be

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  • 06:12 The wacky history of cell theory - Lauren Royal-Woods

    The wacky history of cell theory - Lauren Royal-Woods

    299 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/the-wacky-history-of-cell-theory Scientific discovery isn't as simple as one good experiment. The weird and wonderful history of cell theory illuminates the twists and turns that came together to build the found

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  • 02:20 A Visual History of Light

    A Visual History of Light

    127 views / 0 likes - added

    400,000 years ago, humans and Neanderthals created fire. This ignited a relationship between people and photons that changed the course of mankind—and continues to evolve to this day. Take a tour through the visual history of light. For a detailed t

  • 04:41 The history of chocolate - Deanna Pucciarelli

    The history of chocolate - Deanna Pucciarelli

    389 views / 2 likes - added

    View full lesson: http://ed.ted.com/lessons/the-history-of-chocolate-deanna-pucciarelli If you can’t imagine life without chocolate, you’re lucky you weren’t born before the 16th century. Until then, chocolate only existed as a bitter, foamy drink in Meso

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  • 06:07 History Vs. Genghis Khan - Alex Gendler

    History Vs. Genghis Khan - Alex Gendler

    472 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/history-vs-genghis-khan-alex-gendler He was one of the most fearsome warlords who ever lived, waging an unstoppable conquest across the Eurasian continent. But was Genghis Khan a vicious barbarian or a unifier w

  • 05:08 A brief history of numerical systems - Alessandra King

    A brief history of numerical systems - Alessandra King

    336 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/a-brief-history-of-numerical-systems-alessandra-king 1, 2, 3, 4, 5, 6, 7, 8, 9... and 0. With just these ten symbols, we can write any rational number imaginable. But why these particular symbols? Why ten of the

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  • 04:38 A Brief History Of Religion In Art - TED-Ed

    A Brief History Of Religion In Art - TED-Ed

    384 views / 0 likes - added

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  • 12:32 The Industrial Economy: Crash Course US History #23

    The Industrial Economy: Crash Course US History #23

    363 views / 0 likes - added

    In which John Green teaches you about the Industrial Economy that arose in the United States after the Civil War. You know how when you're studying history, and you're reading along and everything seems safely in the past, and then BOOM you think, "Man, t

  • 13:41 Iran's Revolutions: Crash Course World History 226

    Iran's Revolutions: Crash Course World History 226

    277 views / 0 likes - added

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  • 31:54 A History of Eastern Europe | The Great Courses

    A History of Eastern Europe | The Great Courses

    230 views / 0 likes - added

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  • 07:25 Battles of the Civil War: Crash Course US History #19

    Battles of the Civil War: Crash Course US History #19

    391 views / 3 likes - added

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  • 02:20 A Visual History of Light

    A Visual History of Light

    126 views / 0 likes - added

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  • 04:46 Popular A Brief History Of Video Games (Part I) - Safwat Saleem

    A Brief History Of Video Games (Part I) - Safwat Saleem

    815 views / 2 likes - added

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  • 12:58 Congo and Africa's World War: Crash Course World History 221

    Congo and Africa's World War: Crash Course World History 221

    372 views / 0 likes - added

    In which John Green teaches you about the Democratic Republic of the Congo, which used to be Zaire, which used to be The Belgian Congo, which used to be the Congo Free State, which used to be the region surrounding the Congo River Basin in central Africa.

  • 05:15 How inventions change history (for better and for worse) - Kenneth C. Davis

    How inventions change history (for better and for worse) - Kenneth C. Davis

    138 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/how-inventions-change-history-for-better-and-for-worse-kenneth-c-davis Invented in 1793, the cotton gin changed history for good and bad. By allowing one field hand to do the work of 10, it powered a new industr

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    Let's Make History…by Recording It - StoryCorps & TED Prize

    219 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/let-s-make-history-by-recording-it-storycorps-ted-prize Download the StoryCorps app here: http://ow.ly/UZarA What if Anne Frank hadn’t kept a diary? What if no one could listen to Martin Luther King’s Mountainto

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    History Through The Eyes Of The Potato - Leo Bear-McGuinness

    452 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/history-through-the-eyes-of-the-potato-leo-bear-mcguinness Baked or fried, boiled or roasted, as chips or fries; at some point in your life you’ve probably eaten a potato. But potatoes have played a much more si

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  • 04:52 The history of the Cuban Missile Crisis - Matthew A. Jordan

    The history of the Cuban Missile Crisis - Matthew A. Jordan

    295 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/the-history-of-the-cuban-missile-crisis-matthew-a-jordan Imagine going about your life knowing that, at any given moment, you and everyone you know could be wiped out without warning at the push of a button. Thi

  • 29:39 An Economic History of the World Since 1400 | The Great Courses

    An Economic History of the World Since 1400 | The Great Courses

    323 views / 0 likes - added

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  • 13:31 The Deep Future: Crash Course Big History #10

    The Deep Future: Crash Course Big History #10

    370 views / 0 likes - added

    Finally, after what seems like eons and eons, the end is nigh. We're talking not only about the end of Crash Course Big History, but also the end of everything. The end of humanity and the end of the universe.John and Hank Green will teach you about what

  • 05:56 How One Teenager Unearthed Baseball's Untold History - Cam Perron

    How One Teenager Unearthed Baseball's Untold History - Cam Perron

    282 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/how-one-teenager-unearthed-baseball-s-untold-history-cam-perron Teenager Cam Perron loved baseball, so he began writing letters to the veteran players on his baseball cards. He only wanted autographs, but eventu

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    The Hidden Worlds Within Natural History Museums - Joshua Drew

    419 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/the-hidden-worlds-within-natural-history-museums-joshua-drew When you think of natural history museums, you might picture exhibits filled with ancient lifeless things, like dinosaurs or meteorites. But behind th

  • 11:27 The Natives and the English - Crash Course US History #3

    The Natives and the English - Crash Course US History #3

    364 views / 0 likes - added

    In which John Green teaches you about relations between the early English colonists and the native people the encountered in the New World. In short, these relations were poor. As soon as they arrived, the English were in conflict with the native people.

  • 10:33 The Amazing Life and Strange Death of Captain Cook: Crash Course World History #27

    The Amazing Life and Strange Death of Captain Cook: Crash Course World History #27

    356 views / 1 likes - added

    In which John Green teaches you about the life and death of one of history's great explorers, Captain James Cook of the British Navy. He charted large swaths of the Pacific ocean, laid claim to Australia and New Zealand, and died a bizarre death in the Sa

  • 11:54 The Rise of the West and Historical Methodology: Crash Course World History #212

    The Rise of the West and Historical Methodology: Crash Course World History #212

    347 views / 1 likes - added

    In which John Green talks about the methods of writing history by looking at some of the ways that history has been written about the rise of the West. But first he has to tell you what the West is. And then he has to explain the Rise of the West. And the

  • 01:11 Where did dinosaurs come from? | Natural History Museum

    Where did dinosaurs come from? | Natural History Museum

    43 views / 0 likes - added

    Dinosaurs came in all sorts of shapes and sizes, but what was it about three curious prehistoric reptiles that made scientists in the 1840s think they might somehow be linked?Discover more about the history of dinosaur discoveries: https://www.nhm.ac.uk/d

  • 05:40 The complicated history of surfing - Scott Laderman

    The complicated history of surfing - Scott Laderman

    265 views / 1 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-complicated-history-of-surfing-scott-laderman Today, surfing is a multi-billion-dollar global industry, with tens of millions of enthusiasts worldwi

  • 04:51 Corruption, Wealth And Beauty: The History Of The Venetian Gondola - Laura Morelli

    Corruption, Wealth And Beauty: The History Of The Venetian Gondola - Laura Morelli

    407 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/corruption-wealth-and-beauty-the-history-of-the-venetian-gondola-laura-morelli It’s hard to imagine Venice without the curious, banana-shaped gondolas that glide down the canals. How did these boats come to be t

  • 05:29 A Brief History Of Melancholy - Courtney Stephens

    A Brief History Of Melancholy - Courtney Stephens

    349 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/a-brief-history-of-melancholy-courtney-stephens If you are a living, breathing human being, chances are you have felt sad at least a few times in...

  • 12:17 Buddha and Ashoka: Crash Course World History #6

    Buddha and Ashoka: Crash Course World History #6

    415 views / 0 likes - added

    In which John relates a condensed history of India, post-Indus Valley Civilization. John explores Hinduism and the origins of Buddhism. He also gets into the reign of Ashoka, the Buddhist emperor who, in spite of Buddhism's structural disapproval of viole

  • 03:28 Did King Arthur Really Exist? | Animated History

    Did King Arthur Really Exist? | Animated History

    36 views / 0 likes - added

    King Arthur is one the best-known figures in English history, but also one of the most enigmatic. Did the legendary king really exist? And how did he come to be connected with Cornwall's Tintagel Castle? This short animated history investigates. Visit Tin

  • 15:40 Obamanation: Crash Course US History #47

    Obamanation: Crash Course US History #47

    330 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th

  • 03:32 Hidden History of Virtual Reality

    Hidden History of Virtual Reality

    251 views / 0 likes - added

    ✱ Introducing 'The Possible,' a new virtual reality series that explores groundbreaking technology. ✱ Watch now on the Within app ⇨ http://on.mash.to/2ihpohS Virtual Reality might be the hottest new thing in tech, but surprisingly, VR has a long history b

  • 11:55 Ancient Egypt: Crash Course World History #4

    Ancient Egypt: Crash Course World History #4

    698 views / 5 likes - added

    In which John covers the long, long history of ancient Egypt, including the Old, Middle and New Kingdoms, and even a couple of intermediate periods. Learn about mummies, pharaohs, pyramids and the Nile with John Green. Crash Course World History is now av

  • 15:54 The History of the Democratic Party

    The History of the Democratic Party

    170 views / 1 likes - added

    This week, as America's attention is focused on the Democratic National Convention in Philadelphia, we bring you a quick overview of the history of the Democratic Party. 200+ years was hard to fit into 16 minutes, but we got most of the highlights, from J

  • 12:49 Decolonization and Nationalism Triumphant: Crash Course World History #40

    Decolonization and Nationalism Triumphant: Crash Course World History #40

    330 views / 0 likes - added

    READ THIS: THERE ARE TWO MORE VIDEOS IN THE WORLD HISTORY SERIES. You should also turn on the captions. You'll like them. In which John Green teaches you about the post-World War II breakup of most of the European empires. As you'll remember from previous

  • 14:25 The Big Bang: Crash Course Big History #1

    The Big Bang: Crash Course Big History #1

    492 views / 1 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about, well, everything. Big History is the history of everything. We're going to start with the Big Bang, take you right through all of history (recorded and otherwise), and even talk a little

  • 11:37 Christianity from Judaism to Constantine: Crash Course World History #11

    Christianity from Judaism to Constantine: Crash Course World History #11

    257 views / 0 likes - added

    In which John Green teaches you the history of Christianity, from the beginnings of Judaism and the development of monotheism, right up to Paul and how Christianity stormed the Roman Empire in just a few hundred years. Along the way, John will cover Abram

  • 04:17 The history of the universe explained in 4 minutes | BBC Ideas

    The history of the universe explained in 4 minutes | BBC Ideas

    129 views / 0 likes - added

    What are planets made of? How old is Planet Earth? Historian David Christian runs through 13.8 billion years of history and looks at the biggest challenge for the future of humanity... all in 4 minutes! Subscribe to BBC Ideas https://bbc.in/2F6ipav This a

  • 05:11 History vs. Augustus - Peta Greenfield & Alex Gendler

    History vs. Augustus - Peta Greenfield & Alex Gendler

    187 views / 0 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/history-vs-augustus-alex-gendler-and-peta-greenfield His reign marked the beginning of one of history’s greatest empires … and the end of one of its fir

  • 26:38 American Soul: The DuSable Museum of African-American History

    American Soul: The DuSable Museum of African-American History

    409 views / 0 likes - added

    Founded in 1961, the DuSable is one of the first African-American museums in the U.S. It follows African-American history from its beginning on the shores of Africa to a celebration of African-American achievements including those of Bessie Coleman, the n

  • 12:20 The Seven Years War: Crash Course World History #26

    The Seven Years War: Crash Course World History #26

    500 views / 1 likes - added

    In which John teaches you about the Seven Years War, which may have lasted nine years. Or as many as 23. It was a very confusing was. The Seven Years War was a global war, fought on five continents, which is kind of a lot. John focuses on the war as it ha

  • 05:55 History Vs. Christopher Columbus - Alex Gendler

    History Vs. Christopher Columbus - Alex Gendler

    606 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/history-vs-christopher-columbus-alex-gendler Many people in the United States and Latin America have grown up celebrating the anniversary of Christopher...

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  • 04:32 The Incredible History Of China's Terracotta Warriors - Megan Campisi And Pen-Pen Chen

    The Incredible History Of China's Terracotta Warriors - Megan Campisi And Pen-Pen Chen

    447 views / 1 likes - added

    View full lesson: http://ed.ted.com/lessons/the-incredible-history-of-china-s-terracotta-warriors-megan-campisi-and-pen-pen-chen In 1974, farmers digging a well near their small village stumbled upon one of the most important finds in archaeological histo

  • 05:23 Marco Polo Explained: World History Review

    Marco Polo Explained: World History Review

    257 views / 1 likes - added

    A super quick overview lecture introducing students to Marco Polo and why he was so darn important in the context of World History. Be sure to check out www.hiphughes.com for access to hundreds of free and helpful overviews!

  • 05:23 Marco Polo Explained: World History Review

    Marco Polo Explained: World History Review

    258 views / 0 likes - added

    A super quick overview lecture introducing students to Marco Polo and why he was so darn important in the context of World History. Be sure to check out www.hiphughes.com for access to hundreds of free and helpful overviews!

  • 04:55 Sesame Street: Kermit Visits the First Classroom in History

    Sesame Street: Kermit Visits the First Classroom in History

    244 views / 0 likes - added

    We take you now to Kermit the Frog with another fast breaking news story. Kermit is speaking to us from the worlds first school room on the very first school day in history. Meet the very first school teacher in history and the very first school students

  • 09:35 Indus Valley Civilization: Crash Course World History #2

    Indus Valley Civilization: Crash Course World History #2

    410 views / 0 likes - added

    In which John Green teaches you about the Indus Valley Civilization, one of the largest of the ancient civilizations. John teaches you the who, how, when, where and why of the Indus Valley Civilization, and dispenses advice on how to be more successful in

  • 07:31 The Protestant Reformation Explained: World History Review

    The Protestant Reformation Explained: World History Review

    362 views / 0 likes - added

    A super fast, fun and focused look at the Protestant Revolution and role Martin Luther played in changing the history of the world. Subscribe to HipHughes to keep the universe aligned for free here https://www.youtube.com/user/hughesdv?

  • 30:51 The Big History of Civilizations | The Great Courses

    The Big History of Civilizations | The Great Courses

    240 views / 0 likes - added

    https://www.thegreatcoursesplus.com/ What makes the Big History approach so unique? Whereas a traditional survey might take you through the major events of a period and introduce you to key dates and people (the “kings and battles” approach), Big History

  • 09:44 Movies are Magic: Crash Course Film History #1

    Movies are Magic: Crash Course Film History #1

    280 views / 0 likes - added

    Well, they're not really "magic." Maybe "illusion" is a better way to say it. As we begin this journey of the history of cinema, we need to understand how movies trick our brains into even understanding that a movie is a movie. In this episode of Crash Co

  • 04:43 A brief history of banned numbers - Alessandra King

    A brief history of banned numbers - Alessandra King

    236 views / 1 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/a-brief-history-of-banned-numbers-alessandra-king They say the pen is mightier than the sword, and authorities have often agreed. From outlawed religiou

  • 08:21 The Transcontinental Railroad Explained: US History Review

    The Transcontinental Railroad Explained: US History Review

    354 views / 2 likes - added

    Join me as we lay down the tracks of learning by covering the basics on the Transcontinental Railroad built during the 1860's. Perfect for students and lifelong learners. Please help align what is right in the universe and subscribe to some HipHughes Hist

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  • 08:20 VFX Expert Breaks Down The History of Shrinking People in Movies | WIRED

    VFX Expert Breaks Down The History of Shrinking People in Movies | WIRED

    173 views / 1 likes - added

    Downsizing VFX Supervisor Jamie Price breaks down the history of people miniaturization in movies. In this timeline, Price explains the special effects techniques like forced perspective, compositing, the Schüfftan process, rotoscoping, motion control, mo

  • 06:08 History vs. Che Guevara - Alex Gendler

    History vs. Che Guevara - Alex Gendler

    222 views / 0 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/history-vs-che-guevara-alex-gendler His face is recognized all over the world – the young medical student who became a revolutionary icon. But was Che G

  • 11:44 The Mughal Empire and Historical Reputation: Crash Course World History #217

    The Mughal Empire and Historical Reputation: Crash Course World History #217

    377 views / 0 likes - added

    There's a new Crash Course poster with all your favorite World History characters! Czech it: http://store.dftba.com/products/crashcourse-characters-poster In which John Green teaches you about the Mughal Empire, which ruled large swaths of the Indian Sub-

  • 05:44 The History Of Museums - J. V. Maranto

    The History Of Museums - J. V. Maranto

    318 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/why-do-we-have-museums-j-v-maranto Museums have been a part of human history for over 2,000 years -- but they weren't always like the ones we visit today. J.V. Maranto uncovers the evolution of museums, from the

  • 10:15 Int'l Commerce, Snorkeling Camels, and The Indian Ocean Trade: Crash Course World History #18

    Int'l Commerce, Snorkeling Camels, and The Indian Ocean Trade: Crash Course World History #18

    335 views / 0 likes - added

    In which John Green teaches you the history of the Indian Ocean Trade. John weaves a tale of swashbuckling adventure, replete with trade in books, ivory, and timber. Along the way, John manages to cover advances in seafaring technology, just how the monso

  • 02:23 Meet Erin DiMeglio, A History Making Female Quarterback

    Meet Erin DiMeglio, A History Making Female Quarterback

    380 views / 1 likes - added

    Erin DiMeglio, an 18-year-old from Florida's South Plantation High School is making history this season by being the first female to play quarterback in a high school game.

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  • 08:04 Jandro on Penn & Teller FOOL US : FASTEST FOOLER IN HISTORY

    Jandro on Penn & Teller FOOL US : FASTEST FOOLER IN HISTORY

    100 views / 0 likes - added

    Jandro from Spain leaves speachless Penn and Teller on Fool Us and becomes the fastest fooler of magic history with his amazing international coincidence between Juan Tamariz and Penn &Teller.

  • 12:09 The Columbian Exchange: Crash Course World History #23

    The Columbian Exchange: Crash Course World History #23

    361 views / 0 likes - added

    In which John Green teaches you about the changes wrought by contact between the Old World and the New. John does this by exploring the totally awesome history book "The Columbian Exchange" by Alfred Cosby, Jr. After Columbus "discovered" the Americas, Eu

  • 11:32 Wait For It...The Mongols!: Crash Course World History #17

    Wait For It...The Mongols!: Crash Course World History #17

    293 views / 1 likes - added

    Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything

  • 06:16 The Irish Potato Famine Explained: World History Review

    The Irish Potato Famine Explained: World History Review

    450 views / 0 likes - added

    A short history of the Irish Potato Famine which hit Ireland from 1844-1849. Perfect for students, life long learners and the cray cray on the internets. Subscribe to HipHughes to keep the universe aligned for free here https://www.youtube.com/user/hughes

  • 03:27 Queen Elizabeth I: "Boyfriends Are Trouble" | SUNG HISTORY

    Queen Elizabeth I: "Boyfriends Are Trouble" | SUNG HISTORY

    224 views / 0 likes - added

    Queen Elizabeth I ruled England for 44 years. How did she manage that? She did it alone! CLICK HERE FOR MORE SUNG HISTORY: http://bit.ly/20RsTAk Get "Boyfriends Are Trouble" on iTunes: http://apple.co/1mUatwc Get the whole "Sung History" album on iTunes:

  • 11:02 Alexander the Great and the Situation ... the Great? Crash Course World History #8

    Alexander the Great and the Situation ... the Great? Crash Course World History #8

    403 views / 1 likes - added

    In which you are introduced to the life and accomplishments of Alexander the Great, his empire, his horse Bucephalus, the empires that came after him, and the idea of Greatness. Is greatness a question of accomplishment, of impact, or are people great bec

  • 05:40 A brief history of chess - Alex Gendler

    A brief history of chess - Alex Gendler

    27 views / 0 likes - added

    Trace the storied history of the game of chess, from its origins in 7th century India to the computer software we use today. --The attacking infantry advances, their elephants already having broken the defensive line. The king tries to retreat, but the en

  • 01:49 Why Did Sailors Swab The Deck? - Naval History Animated

    Why Did Sailors Swab The Deck? - Naval History Animated

    126 views / 0 likes - added

    This video is going to answer one simple question: Why did sailors swab the deck? This is one of the first videos in an animated naval history series I'm doing. Sailors swabbed the deck for several reasons, the first being to clean and preserve the deck.

  • 11:08 The Atlantic Slave Trade: Crash Course World History #24

    The Atlantic Slave Trade: Crash Course World History #24

    365 views / 0 likes - added

    In which John Green teaches you about one of the least funny subjects in history: slavery. John investigates when and where slavery originated, how it changed over the centuries, and how Europeans and colonists in the Americas arrived at the idea that peo

  • 12:53 Islam, the Quran, and the Five Pillars All Without a Flamewar: Crash Course World History #13

    Islam, the Quran, and the Five Pillars All Without a Flamewar: Crash Course World History #13

    315 views / 0 likes - added

    Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything

  • 10:57 BONUS: History of the possessive apostrophe | The Apostrophe | Punctuation | Khan Academy

    BONUS: History of the possessive apostrophe | The Apostrophe | Punctuation | Khan Academy

    220 views / 0 likes - added

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  • 02:13 A Visual History of Sports

    A Visual History of Sports

    138 views / 0 likes - added

    The first recorded sport in history was spear throwing, which arose in 70,000 BC out of a need for ancient hunters to practice their skills. Bowling was the first known ball game, appearing in Egypt in 3,200 BC; later, there was Pitz, played by the ancien

  • 13:37 The History Of Life On Earth - Crash Course Ecology #1

    The History Of Life On Earth - Crash Course Ecology #1

    405 views / 0 likes - added

    With a solid understanding of biology on the small scale under our belts, it's time for the long view - for the next twelve weeks, we'll be learning how the living things that we've studied interact with and influence each other and their environments. Li

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  • 13:13 The History of Video

    The History of Video

    88 views / 0 likes - added

    I always wanted to know why film looked better than video. Moving electronic images have as long a history but were invented for a different purpose. This video was sponsored by B&H Photo: https://www.bhphotovideo.com Huge thanks to: Richard Diehl, Video

  • 01:57 Black History Month | Who Inspires You? | Nick

    Black History Month | Who Inspires You? | Nick

    211 views / 1 likes - added

    Nickelodeon is celebrating Black History Month, and we're honoring those who are breaking boundaries and making history. This month, we're honoring Gordon Bellamy, Elaine Welteroth, Marcus Samuelsson, Misty Copeland, and more. For more information on our

  • 05:25 History vs. Henry VIII - Mark Robinson and Alex Gendler

    History vs. Henry VIII - Mark Robinson and Alex Gendler

    95 views / 0 likes - added

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    World War II Part 2 - The Homefront: Crash Course US History #36

    497 views / 1 likes - added

    Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything

  • 08:04 Popular Video Game History | Mario, Minecraft & More! | Kids Wiki

    Video Game History | Mario, Minecraft & More! | Kids Wiki

    726 views / 3 likes - added

    For today’s Wiki project learn all about the history of video games! Video games have been around since the 1940s ⎯ that’s somewhere between dinosaurs and smartphones. Today we have video games that look almost like real life, video games where you can bu

  • 11:37 Disease! Crash Course World History 203

    Disease! Crash Course World History 203

    409 views / 1 likes - added

    In which John Green teaches you about disease, and the effects that disease has had in human history. Disease has been with man since the beginning, and it has shaped the way humans operate in a lot of ways. John will teach you about the Black Death, the

  • 04:59 A brief history of dogs - David Ian Howe

    A brief history of dogs - David Ian Howe

    502 views / 1 likes - added

    Trace the history of how wolves, one of humanity’s oldest rivals, evolved into the domesticated dogs we call “man’s best friend.” -- Since their emergence over 200,000 years ago, modern humans have established communities all over the planet. But they did

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  • 12:08 A Brief History of Geologic Time

    A Brief History of Geologic Time

    186 views / 0 likes - added

    By 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

  • 10:12 Venice and the Ottoman Empire: Crash Course World History #19

    Venice and the Ottoman Empire: Crash Course World History #19

    397 views / 0 likes - added

    In which John Green discusses the strange and mutually beneficial relationship between a republic, the citystate of Venice, and an Empire, the Ottomans--and how studying history can help you to be a better boyfriend and/or girlfriend. Together, the Ottoma

  • 05:26 Ugly History: Witch Hunts - Brian A. Pavlac

    Ugly History: Witch Hunts - Brian A. Pavlac

    51 views / 0 likes - added

    Uncover the history of the witch hunts that swept through Europe and the American colonies from the 15th century until the 18th century.--In the German town of Nrdlingen in 1593, innkeeper Maria Hll found herself accused of witchcraft. She was arrested fo

  • 04:27 A Brief History Of Plural Word...s - John McWhorter

    A Brief History Of Plural Word...s - John McWhorter

    258 views / 0 likes - added

    View full lesson here: http://ed.ted.com/lessons/a-brief-history-of-plural-word-s-john-mcwhorter All it takes is a simple S to make most English words plural. But it hasn't always worked that way (and there are, of course, exceptions). John McWhorter look

  • 05:03 Why is Herodotus called “The Father of History”? - Mark Robinson

    Why is Herodotus called “The Father of History”? - Mark Robinson

    132 views / 0 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-is-herodotus-called-the-father-of-history-mark-robinson 2,500 years ago, the writing of history as we know it didn’t exist. The past was recorded as

  • 02:40 Recess & Play Time! - A Brief History | A Cool School Kids Wiki

    Recess & Play Time! - A Brief History | A Cool School Kids Wiki

    360 views / 1 likes - added

    For this week's Cool School Wiki Project learn all about the history of recess. Recess and play time have been around since ancient times. Learn how classic games like, hopscotch, duck duck goose, kickball, and red light, green light came about. Subscribe

  • 05:40 BONUS: History of the apostrophe | The Apostrophe | Punctuation | Khan Academy

    BONUS: History of the apostrophe | The Apostrophe | Punctuation | Khan Academy

    168 views / 0 likes - added

    The apostrophe has a bizarre history, including being the name for something that's not really related to grammar at all. David, Paige, and special guest Jake explain. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-a

  • 03:51 History of Bionics

    History of Bionics

    413 views / 1 likes - added

    The history of bionics **** SOURCES AND LINKS **** Nyctalope http://www.coolfrenchcomics.com/nyctalope.htm Cyborg http://www.theatlantic.com/technology/archive/2010/09/the-man-who-first-said-cyborg-50-years-later/63821/ http://web.mit.edu/digitalapollo/Do

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  • 08:23 A Brief History Of Timekeeping

    A Brief History Of Timekeeping

    316 views / 0 likes - added

    It’s time for another leap second! Join SciShow as we celebrate by exploring the long and strange history of timekeeping. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them

  • 05:40 History Vs. Richard Nixon - Alex Gendler

    History Vs. Richard Nixon - Alex Gendler

    455 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/history-vs-richard-nixon-alex-gendler The president of the United States of America is often said to be one of the most powerful positions in the world. But of all the US presidents accused of abusing that power

  • 11:53 Samurai, Daimyo, Matthew Perry, and Nationalism: Crash Course World History #34

    Samurai, Daimyo, Matthew Perry, and Nationalism: Crash Course World History #34

    221 views / 0 likes - added

    In which John Green teaches you about Nationalism. Nationalism was everywhere in the 19th century, as people all over the world carved new nation-states out of old empires. Nationalist leaders changed the way people thought of themselves and the places th

  • 04:58 The princess who rewrote history - Leonora Neville

    The princess who rewrote history - Leonora Neville

    104 views / 1 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-princess-who-rewrote-history-leonora-neville Anna Komnene, daughter of Byzantine emperor Alexios, spent the last decade of her life creating a 500-p

  • 04:54 History Vs. Andrew Jackson - James Fester

    History Vs. Andrew Jackson - James Fester

    401 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/history-vs-andrew-jackson-james-fester Andrew Jackson was both beloved and loathed during his presidency. In this imaginary courtroom, you get to be the jury, considering and weighing Jackson's part in the spoil

  • 05:22 History Vs. Napoleon Bonaparte - Alex Gendler

    History Vs. Napoleon Bonaparte - Alex Gendler

    385 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/history-vs-napoleon-bonaparte-alex-gendler After the French Revolution erupted in 1789, Europe was thrown into chaos. Neighboring countries’ monarchs feared they would share the fate of Louis XVI and attacked th

  • 10:06 What Happened Before History? Human Origins

    What Happened Before History? Human Origins

    515 views / 2 likes - added

    Use the URL: http://www.audible.com/nutshell to get a free audiobook and 30 days free trial and support this channel. Thanks a lot to Audible for supporting us! Humans. We have been around for a while now. When we think about our past we think about ancie

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  • 03:18 Zionism: A very brief history | BBC Ideas

    Zionism: A very brief history | BBC Ideas

    15 views / 0 likes - added

    Confused about what Zionism actually is? Here's a three-minute history from SOAS professor, historian and author, Colin Shindler.Subscribe to BBC Ideas https://bbc.in/2F6ipavThis video was animated by Somethin' Else. ---------------Do you have a curious m

  • 05:12 History through the eyes of a chicken - Chris A. Kniesly

    History through the eyes of a chicken - Chris A. Kniesly

    154 views / 0 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/history-through-the-eyes-of-a-chicken-chris-a-kniesly The Ancient Egyptian king Thutmose III described the chicken as a marvelous foreign bird that “giv

  • 14:25 Slavery - Crash Course US History #13

    Slavery - Crash Course US History #13

    521 views / 1 likes - added

    In which John Green teaches you about America's "peculiar institution," slavery. I wouldn't really call it peculiar. I'd lean more toward horrifying and depressing institution, but nobody asked me. John will talk about what life was like for a slave in th

  • 05:20 How the Normans changed the history of Europe - Mark Robinson

    How the Normans changed the history of Europe - Mark Robinson

    146 views / 0 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-the-normans-changed-the-history-of-europe-mark-robinson In the year 1066, 7,000 Norman infantry and knights sailed in warships across the English Ch

  • 10:13 The History of the Internet, Part 2

    The History of the Internet, Part 2

    224 views / 1 likes - added

    In part 2 of our History of the Internet series, Hank explains how public access became declared a human right! Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks g

  • 12:28 These Women Are Making History

    These Women Are Making History

    139 views / 0 likes - added

    In honor of Women's History Month, we're celebrating the achievements of incredible individuals who have become leaders in their fields. We meet the first female mariachi band, travel to an island run entirely by women, and visit a chemist smashing stereo

  • 02:49 The Fascinating History of Animation

    The Fascinating History of Animation

    175 views / 0 likes - added

    Long before Pixar and today's CGI special effects extravaganzas, early animators of the silent era experimented and introduced new techniques into filmmaking. Mark Quigley gives us a tour of the silent animation collection at UCLA's Film & Television Arch

  • 05:34 A brie(f) history of cheese - Paul Kindstedt

    A brie(f) history of cheese - Paul Kindstedt

    243 views / 0 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/a-brie-f-history-of-cheese-paul-s-kindstedt Before empires and royalty, before pottery and writing, before metal tools and weapons – there was cheese. A

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  • 10:27 Why Human Ancestry Matters: Crash Course Big History 205

    Why Human Ancestry Matters: Crash Course Big History 205

    162 views / 0 likes - added

    This week, Emily Graslie is teaching you about human ancestry and geneaology, how we got to be the species we are, and why that matters in our zoomed out look at Big History. For more information, visit the Big History Project: http://www.bighistoryprojec

  • 04:03 The 5 deadliest volcanic eruptions in human history

    The 5 deadliest volcanic eruptions in human history

    266 views / 1 likes - added

    Earth harbors hundreds of active volcanoes. When they erupt, they can change the climate of the entire planet. Indeed, they are one of Mother Nature's deadliest phenomena. Here, we've ranked the deadliest eruptions in history. Read more: http://www.busine

  • 03:49 How the Natural History Museum is Scanning 80 Million Dead Creatures

    How the Natural History Museum is Scanning 80 Million Dead Creatures

    204 views / 0 likes - added

    The Natural History Museum in London has set itself the mammoth task of digitising its specimens - all 80 million of them. The museum's collection includes everything from a blue whale skeleton to Martian meteorites, making progress understandably slow. H

  • 13:24 Ford, Carter, and the Economic Malaise: Crash Course US History #42

    Ford, Carter, and the Economic Malaise: Crash Course US History #42

    285 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th

  • 10:30 Drought and Famine: Crash Course World History #208

    Drought and Famine: Crash Course World History #208

    386 views / 0 likes - added

    In which John Green teaches you a little bit about drought, which is a natural weather phenomenon, and famine, which is almost always the result of human activity. Throughout human history, when food shortages strike humanity, there was food around. There

  • 13:23 The History of Game Shows: Crash Course Games #25

    The History of Game Shows: Crash Course Games #25

    185 views / 0 likes - added

    Today we're going to talk about game shows! Game shows have a long history going all the way back to the 1920s on the radio and then proliferating across media to the massive pop culture icons they are today. And they're different from most game genres we

  • 05:19 The fascinating history of cemeteries - Keith Eggener

    The fascinating history of cemeteries - Keith Eggener

    101 views / 0 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-fascinating-history-of-cemeteries-keith-eggener Spindly trees, rusted gates, crumbling stone, a solitary mourner: these things come to mind when we

  • 13:43 Rethinking Civilization - Crash Course World History 201

    Rethinking Civilization - Crash Course World History 201

    254 views / 0 likes - added

    In which John Green returns to teaching World History! This week, we'll be talking about the idea of civilization, some of the traditional hallmarks of so-called civilization, and why some people would choose to live outside the civilization model. It tur

  • 04:46 How much of human history is on the bottom of the ocean? - Peter Campbell

    How much of human history is on the bottom of the ocean? - Peter Campbell

    509 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/how-much-of-human-history-is-on-the-bottom-of-the-ocean-peter-campbell Sunken relics, ghostly shipwrecks, and lost cities aren’t just wonders found in fictional adventures. Beneath the ocean’s surface, there are

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  • 12:20 An Illustrated History of Dinosaurs

    An Illustrated History of Dinosaurs

    191 views / 0 likes - added

    Our 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

  • 01:13 Lego insect manipulator stop motion | Natural History Museum

    Lego insect manipulator stop motion | Natural History Museum

    176 views / 0 likes - added

    Natural History Museum scientists have created a tool made from Lego to hold and manipulate delicate specimens such as tiny insects. The pinned insect manipulator (IMp) allows scientists to easily move the specimen into different positions and rotate it o

  • 13:29 Life Begins: Crash Course Big History #4

    Life Begins: Crash Course Big History #4

    417 views / 0 likes - added

    In which Hank and John Green teach you about life on Earth. They won't be giving advice on how life should be lived, because this is a history series. Instead, they'll teach you about the earliest forms of life on Earth, and some of the ways that they dev

  • 10:38 Columbus, de Gama, and Zheng He! 15th Century Mariners. Crash Course: World History #21

    Columbus, de Gama, and Zheng He! 15th Century Mariners. Crash Course: World History #21

    640 views / 0 likes - added

    In which John Green teaches you about the beginning of the so-called Age of Discovery. You've probably heard of Christopher Columbus, who "discovered" America in 1492, but what about Vasco da Gama? How about Zheng He? Columbus gets a bad rap from many mod

  • 04:46 The History Of The Barometer (and How It Works) - Asaf Bar-Yosef

    The History Of The Barometer (and How It Works) - Asaf Bar-Yosef

    458 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/the-history-of-the-barometer-and-how-it-works-asaf-bar-yosef A barometer is an instrument that measures air pressure, allowing weather forecasters and scientists to better predict extreme weather events. Despite

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  • 01:03 Can parasites use mind control? | Natural History Museum

    Can parasites use mind control? | Natural History Museum

    37 views / 0 likes - added

    Parasites usually try and stay hidden, but some are clearly attention seekers.Meet the parasites that put on some very colourful displays.Website: http://www.nhm.ac.uk Twitter: http://twitter.com/NHM_London Facebook: http://fb.com/naturalhistorymuseum Ins

  • 01:09 Could you spot a wild carrot? | Natural History Museum

    Could you spot a wild carrot? | Natural History Museum

    60 views / 0 likes - added

    Carrots are a familiar sight, but would you recognise a wild one?Discover the clever tactic these common plants use to entice pollinators.Website: http://www.nhm.ac.uk Twitter: http://twitter.com/NHM_London Facebook: http://fb.com/naturalhistorymuseum Ins

  • 11:02 Getting Presidential With Five Stories About American History

    Getting Presidential With Five Stories About American History

    206 views / 0 likes - added

    In this reel, we're repping the stars and stripes in honor of Presidents' Day. We learn about the high schooler responsible for designing today's American flag, get a quick history lesson about the two-dollar bill and head to Virginia to meet the man who

  • 11:00 Why Cosmic Evolution Matters: Crash Course Big History #201

    Why Cosmic Evolution Matters: Crash Course Big History #201

    146 views / 0 likes - added

    Crash Course Big History is back! It turns out, we couldn't tell all of the 13.8 billion years of the history of the universe in 10 Crash Course Episodes. So, Big History host Emily Graslie has returned to add 6 more episodes that look at why the stuff we

  • 05:23 New The history of the world according to corn - Chris A. Kniesly

    The history of the world according to corn - Chris A. Kniesly

    14 views / 0 likes - added

    Trace the 9,000 year old history of the domestication of corn, or maize, and its effects on global agriculture. --Corn currently accounts for more than one tenth of our global crop production. And over 99% of cultivated corn is the exact same type: Yellow

  • 13:28 Islam and Politics: Crash Course World History 216

    Islam and Politics: Crash Course World History 216

    299 views / 0 likes - added

    In which John Green teaches you about how Islam has interacted with politics during it's history, and how it continues to do so today. Islamist movements are in the news a lot lately, but how did that happen. John will point out that Islam has alway been

  • 01:06 Why did T. rex have small arms? | Natural History Museum

    Why did T. rex have small arms? | Natural History Museum

    55 views / 0 likes - added

    Tyrannosaurus's tiny arms are often joked about. But were their surprisingly muscular limbs actually more useful than they're given credit for?Museum scientist Kieran Miles explains some of the theories for what these famous dinosaurs may have used their

  • 02:15 Meet the Jockey Making History

    Meet the Jockey Making History

    204 views / 0 likes - added

    As a child, Michelle Payne dreamed of one day winning the Melbourne Cup. Following in her father’s footsteps, she began horse racing at an early age, often competing as the only woman in the traditionally male-dominated sport. In 2015, she made history, b

  • 06:12 A Brief History of Our Robotic Future | Robots & Us | WIRED

    A Brief History of Our Robotic Future | Robots & Us | WIRED

    430 views / 1 likes - added

    Artificial intelligence and automation stand to upend nearly every aspect of modern life, from transportation to health care and even work. So how did we get here and where are we going? Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7

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  • 01:07 What is a blue Moon? | Natural History Museum

    What is a blue Moon? | Natural History Museum

    37 views / 0 likes - added

    You may be familiar with the Moon turning red during lunar eclipses, but did you know that it can sometimes appear to have a blue hue? Martin Mangler, a volcano researcher at the Museum, explains what causes a blue moon.Discover more about the Earth's clo

  • 01:14 How long can a snail sleep? | Natural History Museum

    How long can a snail sleep? | Natural History Museum

    31 views / 0 likes - added

    The Museum is home to millions of specimens from all over the world. Jon Ablett, Senior Curator of Mollusca, tells the tale of one snail specimen that gave scientists in 1850 a bit of a shock.Website: http://www.nhm.ac.uk Twitter: http://twitter.com/NHM_L

  • 02:03 A Visual History of Ancient Hairdos (and Don'ts)

    A Visual History of Ancient Hairdos (and Don'ts)

    148 views / 0 likes - added

    The documented history of hairstyles begins prior to 3200 BC, when braided wigs were in vogue. In this short animation, we've condensed hairstyles from over 50 centuries into a single video. From the chignon of 9th century BC, to horned buns that peaked i

  • 11:53 Top 15 RICHEST People In History

    Top 15 RICHEST People In History

    175 views / 0 likes - added

    Here are the top 15 richest people to ever live. These billionaires and trillionaires put people like Bill Gates and Jeff Bezos to shame! Like us on Facebook: https://www.facebook.com/TopTrending Follow us on Twitter: https://twitter.com/TopTrending Comme

  • 11:30 Why Human Evolution Matters: Crash Course Big History 204

    Why Human Evolution Matters: Crash Course Big History 204

    270 views / 0 likes - added

    This week on Crash Course Big History, Emily is talking about process of human evolution, and the knack for innovation that has allowed humans to become so dominant on the Earth. Human innovation, and the ability to build on those innovations generation a


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