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  • 10:18 Popular Mercury: Crash Course Astronomy #13

    Mercury: Crash Course Astronomy #13

    776 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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  • 12:12 Introduction to Astronomy: Crash Course Astronomy #1

    Introduction to Astronomy: Crash Course Astronomy #1

    499 views / 2 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

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

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

    580 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

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

    Introduction to the Solar System: Crash Course Astronomy #9

    702 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

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

    Black Holes: Crash Course Astronomy #33

    649 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

  • 06:07 Why Venus and Mercury have no Moons?

    Why Venus and Mercury have no Moons?

    118 views / 1 likes - added

    Do you know all planets except for Mercury and Venus have moons? In fact, Earth is the only planet to have just one moon; remaining planets from Mars onward have multiple moons, with Saturn having as much as 82 moons! So when most of the planets are inund

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

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

    588 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

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

    The Milky Way: Crash Course Astronomy #37

    498 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

  • 11:21 Distances: Crash Course Astronomy #25

    Distances: Crash Course Astronomy #25

    400 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

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

    Dark Matter: Crash Course Astronomy #41

    378 views / 1 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

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

    Naked Eye Observations: Crash Course Astronomy #2

    478 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

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

    The Big Bang: Crash Course Astronomy #42

    695 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

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

    Deep Time: Crash Course Astronomy #45

    516 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

    566 views / 1 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

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

    Moon Phases: Crash Course Astronomy #4

    1,219 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

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

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

    386 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

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

    Low Mass Stars: Crash Course Astronomy #29

    433 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

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

    Star Clusters: Crash Course Astronomy #35

    344 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.

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

    Binary And Multiple Stars: Crash Course Astronomy #34

    516 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

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

    Galaxies, Part 1: Crash Course Astronomy #38

    448 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

  • 12:16 Nebulae: Crash Course Astronomy #36

    Nebulae: Crash Course Astronomy #36

    397 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

  • 12:35 The New Astronomy: Crash Course History of Science #13

    The New Astronomy: Crash Course History of Science #13

    149 views / 0 likes - added

    This week on Crash Course: History of the Scientific Revolutionastronomical anomalies accrued. Meanwhile, in Denmarkan eccentric rich dude constructed not one but two science castles! And his humble German assistant synthesized a lot of new, old, and bold

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

    Galaxies, Part 2: Crash Course Astronomy #39

    424 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

  • 07:21 Mercury And Relativity - Periodic Table Of Videos

    Mercury And Relativity - Periodic Table Of Videos

    412 views / 2 likes - added

    A new paper discusses how relativity plays a role in Mercury's low melting point. Planet Mercury (Sixty Symbols): http://youtu.be/rZU8Y9DIBtI Copernicium: http://youtu.be/fqCdP9Uw5vo Gallium: http://youtu.be/N6ccRvKKwZQ Gold Vault :http://youtu.be/CTtf5s2

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

    Gamma-Ray Bursts: Crash Course Astronomy #40

    541 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

  • 10:50 Venus: Crash Course Astronomy #14

    Venus: Crash Course Astronomy #14

    681 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

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

    High Mass Stars: Crash Course Astronomy #31

    446 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,

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

    The Earth: Crash Course Astronomy #11

    655 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

  • 11:55 Comets: Crash Course Astronomy #21

    Comets: Crash Course Astronomy #21

    533 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

  • 11:50 Exoplanets: Crash Course Astronomy #27

    Exoplanets: Crash Course Astronomy #27

    404 views / 1 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

  • 12:16 Saturn: Crash Course Astronomy #18

    Saturn: Crash Course Astronomy #18

    613 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

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

    Jupiter's Moons: Crash Course Astronomy #17

    542 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

  • 11:33 Asteroids: Crash Course Astronomy #20

    Asteroids: Crash Course Astronomy #20

    483 views / 1 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,

  • 04:08 Looking At Mercury Vapour - Periodic Table Of Videos

    Looking At Mercury Vapour - Periodic Table Of Videos

    490 views / 0 likes - added

    Using a Mercury lamp to reveal dangerous Mercury vapour. Support us on Patreon (sponsor an element): https://www.patreon.com/periodicvideos More Mercury: https://youtu.be/5I4rxfnCtxY Objectivity Videos (science treasures with Brady, who makes these videos

  • 04:36 Pouring Mercury Into Liquid Nitrogen (slow Motion)

    Pouring Mercury Into Liquid Nitrogen (slow Motion)

    621 views / 0 likes - added

    Mercury freezes at -39C ---- Nitrogen boils at -196C More slow mo from periodicvideos: http://bit.ly/chemslomo The three slow motion sequences in this video can be seen in more detail at... Mercury in small container: http://youtu.be/-Yf_Mi-ZHjw Mercury i

  • 10:34 Light: Crash Course Astronomy #24

    Light: Crash Course Astronomy #24

    641 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

  • 09:47 Tides: Crash Course Astronomy #8

    Tides: Crash Course Astronomy #8

    587 views / 1 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

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

    Cycles in the Sky: Crash Course Astronomy #3

    434 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

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

    The Gravity of the Situation: Crash Course Astronomy #7

    538 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

  • 12:01 Telescopes: Crash Course Astronomy #6

    Telescopes: Crash Course Astronomy #6

    494 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

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

    The Sun: Crash Course Astronomy #10

    578 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

  • 10:32 Eclipses: Crash Course Astronomy #5

    Eclipses: Crash Course Astronomy #5

    586 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

  • 10:41 Stars: Crash Course Astronomy #26

    Stars: Crash Course Astronomy #26

    427 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

  • 11:22 Meteors: Crash Course Astronomy #23

    Meteors: Crash Course Astronomy #23

    433 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

  • 10:44 Popular Jupiter: Crash Course Astronomy #16

    Jupiter: Crash Course Astronomy #16

    769 views / 4 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

  • 10:12 Mars: Crash Course Astronomy #15

    Mars: Crash Course Astronomy #15

    629 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

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

    Brown Dwarfs: Crash Course Astronomy #28

    433 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

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

    Uranus & Neptune: Crash Course Astronomy #19

    1,350 views / 7 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

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

    The Oort Cloud: Crash Course Astronomy #22

    443 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

  • 03:32 A Mercury Hammer and the Third Law of Thermodynamics

    A Mercury Hammer and the Third Law of Thermodynamics

    411 views / 0 likes - added

    Armed with a hammer made from mercury, Olympia Brown explains the third law of thermodynamics. Tell us what you think about our videos, and win £100 https://www.surveymonkey.co.uk/r/QCVL88N Subscribe for new science videos and lectures every week: http://

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

    White Dwarfs & Planetary Nebulae: Crash Course Astronomy #30

    329 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

  • 00:51 Mercury Heat | Regular Show | Cartoon Network

    Mercury Heat | Regular Show | Cartoon Network

    518 views / 0 likes - added

    Channel 6 finally nabs an interview with the infamous band, Mercury Heat. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/CNRegularShow About Regular Show: Best friends, Mordecai (a six-foot-tall blue jay) and Ri

  • 03:32 What Happens If You Drink Mercury?

    What Happens If You Drink Mercury?

    342 views / 0 likes - added

    Mercury poisoning can have some devastating effects on your body! Watch more: How this 50-year-old NASA invention could kill cancer ►► https://www.youtube.com/watch?v=yh6ZSQytxbU Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life Noggin mer

  • 03:50 Mercury retrograde, explained without astrology

    Mercury retrograde, explained without astrology

    454 views / 0 likes - added

    The science buried under the pseudoscience. Subscribe to our channel! http://goo.gl/0bsAjO Sources: Mars photography by Tunç Tezel: http://www.twanight.org/newtwan/galleries.asp?Sort=Photographer&Value=Tunc%20Tezel&page=1 Mars visualization from Nooch 86:

  • 08:45 Mercury Rising: America's First Steps Into Space

    Mercury Rising: America's First Steps Into Space

    402 views / 1 likes - added

    In 1959, Project Mercury became the United States' maiden space programme. This is the story of that programme, told through beautiful archive footage. Visit http://rigb.org/advent for your daily instalment in the Ri advent calendar, A Place Called Space.

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  • 04:42 Pythagoras Cup (Greedy Cup) Filled With Mercury

    Pythagoras Cup (Greedy Cup) Filled With Mercury

    512 views / 0 likes - added

    More Mercury: https://youtu.be/5I4rxfnCtxY Numberphile for Pythagorean math: https://youtu.be/ItiFO5y36kw Buy a Pythagorean Cup on Amazon: http://bit.ly/Pyth_Cup This features features Professor Sir Martyn Poliakoff from the University of Nottingham. Siph

  • 04:42 Pythagoras Cup (Greedy Cup) filled with Mercury

    Pythagoras Cup (Greedy Cup) filled with Mercury

    383 views / 0 likes - added

    You can support us on Patreon: https://www.patreon.com/periodicvideos More Mercury: https://youtu.be/5I4rxfnCtxY Numberphile for Pythagorean math: https://youtu.be/ItiFO5y36kw Buy a Pythagorean Cup on Amazon: http://bit.ly/Pyth_Cup This features features

  • 05:16 Heres Why Zodiac Constellations Are Still Used in Astronomy

    Heres Why Zodiac Constellations Are Still Used in Astronomy

    56 views / 1 likes - added

    To understand astronomy, astrology might actually not be a bad place to start... Although scientists certainly havent proven that being an Aries makes you more impatient or a Libra means youre wise, the constellations in the zodiac have unlocked hidden se

  • 09:22 Pollution: Crash Course Ecology #11

    Pollution: Crash Course Ecology #11

    687 views / 0 likes - added

    Hank talks about the last major way humans are impacting the environment in this penultimate episode of Crash Course Ecology. Pollution takes many forms - from the simplest piece of litter to the more complex endocrine distruptors - and ultimately, humans

  • 03:32 Mercury 101 | National Geographic

    Mercury 101 | National Geographic

    183 views / 1 likes - added

  • 01:53 This Ancient Chinese Tomb May Once Have Had A Flowing River Of Mercury!

    This Ancient Chinese Tomb May Once Have Had A Flowing River Of Mercury!

    639 views / 0 likes - added

    Unearthed | Tuesdays at 10/9c Archaeologists believe the body of China’s first emperor, Qin Shi Huang, lies in a mysterious underground burial complex. Full Episodes Streaming FREE on SCI GO: https://www.sciencechannelgo.com/unearthed/ More Unearthed! htt

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

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

    309 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

  • 09:51 The Moon: Astronomy #12

    The Moon: Astronomy #12

    692 views / 1 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

  • 10:51 The Video Game Crash Of 1983: Crash Course Games #6

    The Video Game Crash Of 1983: Crash Course Games #6

    467 views / 1 likes - added

    So the 1980s was the golden age of arcade games. Games like Donkey Kong, Pac- Man, Space Invaders, and Centipede had become a cultural phenomenon. These games had expanded the gamer demographic and even encouraged the rise of competitive gaming. There wer

  • 01:35 Crash Course Economics Intro!

    Crash Course Economics Intro!

    447 views / 0 likes - added

    In which Jacob Clifford and Adriene Hill introduce you to Crash Course Economics! CC Econ is a new course from the Crash Course team. We look forward to teaching you all about the so-called dismal science. Want to find Crash Course elsewhere on the intern

  • 04:17 The Most Important Astronomy Picture Ever Taken

    The Most Important Astronomy Picture Ever Taken

    390 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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  • 03:50 Sundials = Astronomy with a Stick!

    Sundials = Astronomy with a Stick!

    230 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 Gravitational Astronomy? How Detecting Gravitational Waves Changes Everything

    Gravitational Astronomy? How Detecting Gravitational Waves Changes Everything

    412 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

  • 14:27 Popular The Great Depression: Crash Course US History #33

    The Great Depression: Crash Course US History #33

    1,308 views / 4 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

  • 06:30 Decoding the ancient astronomy of Stonehenge

    Decoding the ancient astronomy of Stonehenge

    418 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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  • 09:21 Astrophysics and Cosmology: Crash Course Physics #46

    Astrophysics and Cosmology: Crash Course Physics #46

    540 views / 0 likes - added

    It's time for the end. At least the end of our first series on Physics here at Crash Course. In this episode of Crash Course Physics, Shini sits down to talk about Astrophysics and Cosmology. By using what we've learned this year, we can come to understan

  • 05:27 The 1995 Hubble photo that changed astronomy

    The 1995 Hubble photo that changed astronomy

    463 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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  • 08:33 How Power Gets to Your Home: Crash Course Physics #35

    How Power Gets to Your Home: Crash Course Physics #35

    341 views / 0 likes - added

    Want more Crash Course in person? We'll be at NerdCon: Nerdfighteria in Boston on February 25th and 26th! For more information, go to http://www.nerdconnerdfighteria.com/ In this episode of Crash Course Physics, Shini talks to us about how power gets to o

  • 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

    401 views / 1 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

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

    The Remarkable Science of Ancient Astronomy | The Great Courses

    494 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

  • 08:59 Special Relativity: Crash Course Physics #42

    Special Relativity: Crash Course Physics #42

    459 views / 0 likes - added

    This episode of Crash Course Physics is supported by Prudential. Go to www.raceforretirement.com to learn how, if you start saving today, you can continue to enjoy the things you love tomorrow. So we've all heard of relativity, right? But... what is relat

  • 09:02 Temperature: Crash Course Physics #20

    Temperature: Crash Course Physics #20

    457 views / 0 likes - added

    Welcome to the new Crash Course Physics Studio! This episode of Crash Course Physics is sponsored by Audible.com. You can go to http://audible.com/crashcourse to get a 30 day trial and help us out as well! Get Your Crash Course Physics Mug here: https://s

  • 10:56 Circuit Analysis: Crash Course Physics #30

    Circuit Analysis: Crash Course Physics #30

    559 views / 0 likes - added

    How does Stranger Things fit in with Physics and, more specifically, circuit analysis? I'm glad you asked! In this episode of Crash Course Physics, Shini walks us through the differences between series and parallel circuits and how that makes Christmas li

  • 09:49 Induction - An Introduction: Crash Course Physics #34

    Induction - An Introduction: Crash Course Physics #34

    340 views / 0 likes - added

    This episode was sponsored by Prudential. Go to http://Raceforretirement.com and see how quickly 1% can add up. Want more Crash Course in person? We'll be at NerdCon: Nerdfighteria in Boston on February 25th and 26th! For more information, go to http://ww

  • 10:36 Optical Instruments: Crash Course Physics #41

    Optical Instruments: Crash Course Physics #41

    362 views / 0 likes - added

    This episode of Crash Course Physics is supported by Prudential. Go to www.raceforretirement.com to learn how, if you start saving today, you can continue to enjoy the things you love tomorrow. How do lenses work? How do they form images? Well, in order t

  • 09:45 Light Is Waves: Crash Course Physics #39

    Light Is Waves: Crash Course Physics #39

    462 views / 1 likes - added

    The way light behaves can seem very counter intuitive, and many physicists would agree with that, but once you figure out light waves it all starts to make more sense! In this episode of Crash Course Physics, Shini shows us how we know that light exists a

  • 08:46 Quantum Mechanics - Part 1: Crash Course Physics #43

    Quantum Mechanics - Part 1: Crash Course Physics #43

    411 views / 0 likes - added

    What is light? That is something that has plagued scientists for centuries. It behaves light a wave... and a particle... what? Is it both? In this episode of Crash Course Physics, Shini introduces to the idea of Quantum Mechanics and how it helps us under

  • 10:21 Engines: Crash Course Physics #24

    Engines: Crash Course Physics #24

    376 views / 0 likes - added

    One of the greatest inventions is the steam engine. But why? What makes it so useful? And how does it work? In this episode of Crash Course Physics, Shini talks to us about how engines work, what makes them efficient, and why they're pretty cool. Get your

  • 09:08 Quantum Mechanics - Part 2: Crash Course Physics #44

    Quantum Mechanics - Part 2: Crash Course Physics #44

    335 views / 0 likes - added

    e=mc2... it's a big deal, right? But why? And what about this grumpy cat in a box and probability? In this episode of Crash Course Physics, Shini attempts to explain a little more on the topic of Quantum Mechanics. *** Get your own Crash Course Physics mu

  • 10:07 AC Circuits: Crash Course Physics #36

    AC Circuits: Crash Course Physics #36

    348 views / 0 likes - added

    Want more Crash Course in person? We'll be at NerdCon: Nerdfighteria in Boston on February 25th and 26th! For more information, go to http://www.nerdconnerdfighteria.com/ We've talked about AC Circuits, but now it's time to delve into the world of AC Circ

  • 10:24 Homunculus - Crash Course Psychology #6

    Homunculus - Crash Course Psychology #6

    436 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 10:04 Thermodynamics: Crash Course Physics #23

    Thermodynamics: Crash Course Physics #23

    447 views / 0 likes - added

    Have you ever heard of a Perpetual Motion Machine? More to the point, have you ever heard of why Perpetual Motion Machines are impossible? One of the reasons is because of the first law of thermodynamics! In this episode of Crash Course Physics, Shini tal

  • 09:57 Electric Fields: Crash Course Physics #26

    Electric Fields: Crash Course Physics #26

    478 views / 0 likes - added

    As we learn more about electricity, we have to talk about fields. Electric fields may seem complicated, but they're really fascinating and a crucial part of physics. In this episode of Crash Course Physics, Shini chats about capacitors, conductors, electr

  • 08:23 Electric Current: Crash Course Physics #28

    Electric Current: Crash Course Physics #28

    385 views / 0 likes - added

    So, electric current works like a river... kinda... Instead of flowing based on elevation, electric current works a little differently. But it's a good metaphor. In this episode of Crash Course Physics, Shini talks to us about electric current, voltaic ce

  • 10:14 The Chemical Mind - Crash Course Psychology #3

    The Chemical Mind - Crash Course Psychology #3

    649 views / 0 likes - added

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  • 09:47 Magnetism: Crash Course Physics #32

    Magnetism: Crash Course Physics #32

    634 views / 0 likes - added

    This episode was sponsored by Prudential. Go to http://Raceforretirement.com and see how quickly 1% can add up. You’re probably familiar with the basics of magnets already: They have a north pole and a south pole. Two of the same pole will repel each othe

  • 08:25 Spectra Interference: Crash Course Physics #40

    Spectra Interference: Crash Course Physics #40

    276 views / 0 likes - added

    Light is everywhere … but it’s not as predictable as you might think. It’s a wave that travels in straight lines, yet it also reflects off of surfaces, refracts through various materials, and generally changes direction all the time! We’ve learned how to

  • 08:51 Productivity And Growth: Crash Course Economics #6

    Productivity And Growth: Crash Course Economics #6

    552 views / 1 likes - added

    Why are some countries rich? Why are some countries poor? In the end it comes down to Productivity. This week on Crash Course Econ, Adriene and Jacob investigate just why some economies are more productive than others, and what happens when an economy is

  • 10:15 Adolescence: Crash Course Psychology #20

    Adolescence: Crash Course Psychology #20

    502 views / 0 likes - added

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  • 10:18 What Is A Game?: Crash Course Games #1

    What Is A Game?: Crash Course Games #1

    507 views / 1 likes - added

    Welcome to Crash Course Games! In this series our host Andre Meadows is going to discuss the history and science of games. We’re going to talk about video games of course, but also board games, role playing games, card games, even sports! But before we ge

  • 10:00 Perceiving is Believing - Crash Course Psychology #7

    Perceiving is Believing - Crash Course Psychology #7

    444 views / 0 likes - added

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  • 09:40 Geometric Optics: Crash Course Physics #38

    Geometric Optics: Crash Course Physics #38

    319 views / 0 likes - added

    Want more Crash Course in person? We'll be at NerdCon: Nerdfighteria in Boston on February 25th and 26th! For more information, go to http://www.nerdconnerdfighteria.com/ LIGHT! Let's talk about it today. Sunlight, moonlight, torchlight, and flashlight. T

  • 08:42 Producers: Crash Course Film Production #6

    Producers: Crash Course Film Production #6

    350 views / 1 likes - added

    So... what do Producers even do? It's a hard question to answer because there are so many different kinds of producers on a movie. In this episode of Crash Course Film Production, Lily Gladstone talks us through the different kinds of producers and what t

  • 11:44 Schizophrenia&Dissociative Disorders: Crash Course Psychology #32

    Schizophrenia&Dissociative Disorders: Crash Course Psychology #32

    416 views / 0 likes - added

    ••• Subbable Message ••• To: Margarete From: Toni Your sister thinks you are the best! Here's hoping Crash Course does an Art History season just for you. :) ••• To get your own message in the dooblydoo, you can directly support Crash Course at http://www

  • 08:03 Torque: Crash Course Physics #12

    Torque: Crash Course Physics #12

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    Get Your Crash Course Physics Mug here: http://store.dftba.com/products/crashcourse-physics-mug What is torque? This is one of those things that you may have heard about in passing but never really understood. In this episode of Crash Course Physics, Shin

  • 11:19 Altered States - Crash Course Psychology #10

    Altered States - Crash Course Psychology #10

    430 views / 0 likes - added

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  • 09:57 The Filmmaker's Army: Crash Course Film Production #3

    The Filmmaker's Army: Crash Course Film Production #3

    335 views / 0 likes - added

    Who does what on a film set? And how many of them are there? What is HMU? What is a Scripty? In this episode of Crash Course Film Production, Lily gives us A BIG OVERVIEW on the Production Team. Who they are, who they report to, and why they're important.

  • 09:35 The Bobo Beatdown - Crash Course Psychology #12

    The Bobo Beatdown - Crash Course Psychology #12

    584 views / 0 likes - added

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  • 08:56 Rotational Motion: Crash Course Physics #11

    Rotational Motion: Crash Course Physics #11

    665 views / 0 likes - added

    Get Your Crash Course Physics Mug here: http://store.dftba.com/products/crashcourse-physics-mug Did you know that, at a certain point on a moving wheel... there's no motion? I mean, kinda... it's all relative, right? Prepare to have your mind blown in thi

  • 10:46 Sensation&Perception - Crash Course Psychology #5

    Sensation&Perception - Crash Course Psychology #5

    521 views / 0 likes - added

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  • 10:49 Maxwell's Equations: Crash Course Physics #37

    Maxwell's Equations: Crash Course Physics #37

    539 views / 0 likes - added

    Want more Crash Course in person? We'll be at NerdCon: Nerdfighteria in Boston on February 25th and 26th! For more information, go to http://www.nerdconnerdfighteria.com/ In the early 1800s, Michael Faraday showed us how a changing magnetic field induces

  • 09:39 Popular Sound: Crash Course Physics #18

    Sound: Crash Course Physics #18

    717 views / 3 likes - added

    Get Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcourse-physics-mug We learn a lot about our surroundings thanks to sound. But... what is it exactly? Sound, that is. What is sound? And how does it travel? And what is this Dopp

  • 09:34 Consciousness - Crash Course Psychology #8

    Consciousness - Crash Course Psychology #8

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  • 09:09 Kinetic Theory and Phase Changes: Crash Course Physics #21

    Kinetic Theory and Phase Changes: Crash Course Physics #21

    607 views / 0 likes - added

    Get Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcourse-physics-mug How the heck do we map out a planet without oceans? NASA had to figure that out when we sent the Mariner 9 probe to Mars. There's some tricky, yet fascinating

  • 09:08 Statics: Crash Course Physics #13

    Statics: Crash Course Physics #13

    353 views / 0 likes - added

    Get Your Crash Course Physics Mug here: http://store.dftba.com/products/crashcourse-physics-mug The Physics we're talking about today has saved your life! Whenever you walk across a bridge or lean on a building, Statics are at work. Statics is the study o

  • 09:55 Popular How We Make Memories - Crash Course Psychology #13

    How We Make Memories - Crash Course Psychology #13

    717 views / 0 likes - added

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  • 10:18 Remembering and Forgetting - Crash Course Psychology #14

    Remembering and Forgetting - Crash Course Psychology #14

    660 views / 1 likes - added

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  • 08:44 The Director: Crash Course Film Production #7

    The Director: Crash Course Film Production #7

    309 views / 0 likes - added

    So... what do Directors even do? That's not an easy question to answer but today Lily will do her best. Generally, directors are the driving creative force behind a movie, deciding what kind of cinematic world the story will take place in, how the perform

  • 09:21 Collisions: Crash Course Physics #10

    Collisions: Crash Course Physics #10

    374 views / 0 likes - added

    Get Your Crash Course Physics Mug here: http://store.dftba.com/products/crashcourse-physics-mug COLLISIONS! A big part of physics is understanding collisions and how they're not all the same. Mass, momentum, and many other things dictate how collisions ca

  • 13:30 IP Problems, YouTube, And The Future: Crash Course Intellectual Property #7

    IP Problems, YouTube, And The Future: Crash Course Intellectual Property #7

    619 views / 0 likes - added

    In which Stan Muller talks about some of the problems in Intellectual Property law as it exists today. He'll also teach you a little about how IP law applies to everyone's favorite media platform, YouTube. Lastly, he'll do a little prognosticating, and tr

  • 11:01 Markets, Efficiency, And Price Signals: Crash Course Economics #19

    Markets, Efficiency, And Price Signals: Crash Course Economics #19

    618 views / 0 likes - added

    Adriene and Jacob teach you all about markets. So, in free market(ish) economies like the United States and most of the world, markets are a big deal. Markets work to produce the stuff that consumers want, and that society needs. Today we'll talk about pr

  • 08:47 The Cinematographer: Crash Course Film Production #8

    The Cinematographer: Crash Course Film Production #8

    306 views / 0 likes - added

    Who takes the pictures in a movie? Who is responsible for making a movie look good, or creating meaning with light and shadow, or make an action scene clear and thrilling? A lot of the time, that's the job of the cinematographer. In this episode of Crash

  • 11:23 Getting Help - Psychotherapy: Crash Course Psychology #35

    Getting Help - Psychotherapy: Crash Course Psychology #35

    471 views / 0 likes - added

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  • 10:26 The Economics Of Healthcare: Crash Course Econ #29

    The Economics Of Healthcare: Crash Course Econ #29

    399 views / 0 likes - added

    Why is health care so expensive? Once again, there are a lot of factors in play. Jacob and Adriene look at the many reasons that health care in the US is so expensive, and what exactly we get for all that money. Spoiler alert: countries that spend less an

  • 09:19 Screenplays: Crash Course Film Production #1

    Screenplays: Crash Course Film Production #1

    328 views / 0 likes - added

    If you want to make a movie, generally you're going to want to start with a script. In this episode of Crash Course Film Production, Lily Gladstone talks about the basics of screenplays and how to get started thinking about and actually writing your movie

  • 12:24 Rorschach&Freudians: Crash Course Psychology #21

    Rorschach&Freudians: Crash Course Psychology #21

    452 views / 0 likes - added

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  • 12:29 Popular Taxes: Crash Course Economics #31

    Taxes: Crash Course Economics #31

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    We've been talking about the unavoidables recently. Last time, we covered Death. This time, it's taxes. So, what are taxes? Why do we pay taxes? What is all that tax money used for? This week, Adriene is going to cover all that and more. We'll talk about

  • 10:02 Language: Crash Course Psychology #16

    Language: Crash Course Psychology #16

    607 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 09:06 Dissecting The Camera: Crash Course Film Production #4

    Dissecting The Camera: Crash Course Film Production #4

    436 views / 0 likes - added

    Sometimes the most intimidating part of making a movie is that little box of concentrated technology called "The Camera." But, FEAR NOT! In this episode of Crash Course Film Production, Lily helps us dissect the basics of modern movie cameras so you can h

  • 09:19 What Is A Good Life?: Crash Course Philosophy #46

    What Is A Good Life?: Crash Course Philosophy #46

    518 views / 0 likes - added

    In our final episode of Crash Course Philosophy, we consider what it means to live a good life. We’ll look at the myth of Sisyphus, Robert Nozick’s experience machine, Aristotle’s eudaimonistic picture of a good human life, and the existentialists’ view t

  • 09:54 Prejudice&Discrimination: Crash Course Psychology #39

    Prejudice&Discrimination: Crash Course Psychology #39

    470 views / 0 likes - added

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  • 10:08 Popular Central Nervous System: Crash Course A&P #11

    Central Nervous System: Crash Course A&P #11

    760 views / 1 likes - added

    Today Hank talks about your central nervous system. In this episode we'll explore how your brain develops and how important location is for each of your brain's many functions. Table of Contents Central Nervous System, Location and Brain Function 1:48 Bra

  • 11:21 Introduction to Anatomy&Physiology: Crash Course A&P #1

    Introduction to Anatomy&Physiology: Crash Course A&P #1

    605 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 07:31 Deficits & Debts: Crash Course Economics #9

    Deficits & Debts: Crash Course Economics #9

    526 views / 0 likes - added

    What is debt? What is a deficit? And do these things have different outcomes for individuals and nations? Adriene and Jacob answer all these questions and more on this week's Crash Course Econ. Deficit and debt are easy to misunderstand, but luckily, they

  • 11:44 Popular The Nervous System, Part 2 - Action! Potential!: Crash Course A&P #9

    The Nervous System, Part 2 - Action! Potential!: Crash Course A&P #9

    784 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Carla FROM: Christopher Next stop is whenever. Just be like, "stop." *** 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. Also, if

  • 08:38 Hydrocarbon Derivatives - Crash Course Chemistry #43

    Hydrocarbon Derivatives - Crash Course Chemistry #43

    442 views / 0 likes - added

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  • 10:09 Integrals: Crash Course Physics #3

    Integrals: Crash Course Physics #3

    408 views / 0 likes - added

    Continuing with last week's introduction of calculus, Shini leads us through the ways that integrals can help us figure out things like distance when we have several other key bits of information. Say, for instance, you wanted to know how far your window

  • 09:46 Moral Luck: Crash Course Philosophy #39

    Moral Luck: Crash Course Philosophy #39

    491 views / 0 likes - added

    Can two people who make the same bad decision bear different levels of moral responsibility? Today, we try to address this question with the concept of moral luck. Hank explains the difference between moral and causal responsibility, and the reasons we as

  • 10:10 Psychological Disorders: Crash Course Psychology #28

    Psychological Disorders: Crash Course Psychology #28

    598 views / 0 likes - added

    ***SUBBABLE MESSAGES*** To: Lola From: Daddy You are the best, I love you. *** To: Future Lia From: Mom and Dad Remember that learning isn't just useful, but also really fun! *** You can directly support Crash Course at http://www.subbable.com/crashcourse

  • 10:26 The Economics Of Happiness: Crash Course Econ #35

    The Economics Of Happiness: Crash Course Econ #35

    377 views / 0 likes - added

    They say money can't buy happiness, but who are they? Can money buy happiness? The answer is: sort of. While money may not be able to buy true happiness, lack of money can cause very real misery. Today, we look at the economics of happiness, and talk abou

  • 10:38 Popular 5 Human Impacts On The Environment: Crash Course Ecology #10

    5 Human Impacts On The Environment: Crash Course Ecology #10

    1,105 views / 1 likes - added

    Hank gives the run down on the top five ways humans are negatively impacting the environment and having detrimental effects on the valuable ecosystem services which a healthy biosphere provides. Like Crash Course? http://www.facebook.com/YouTubeCrashCours

  • 10:01 Special Effects: Crash Course Film Production #11

    Special Effects: Crash Course Film Production #11

    348 views / 0 likes - added

    Chances are, when you hear the phrase "Special Effects," you may have images pop into your mind. The Hulk smashing a city, a lightsaber fight, or maybe an alien world. But effects can be much more subtle and have been around really since the beginning of

  • 10:51 Feeling All the Feels: Crash Course Psychology #25

    Feeling All the Feels: Crash Course Psychology #25

    473 views / 1 likes - added

    ***Subbable Message*** To Robert, Thank you for showing me the world, darling! From Amy and That's happiness; to be dissolved into something complete and great. From Ty Scaletta ****** You can directly support Crash Course at http://www.subbable.com/crash

  • 11:07 The Editor: Crash Course Film Production #12

    The Editor: Crash Course Film Production #12

    309 views / 0 likes - added

    The Editor is yet another unsung hero in the filmmaking process. For a century of film history, Editors have taken raw footage and worked to transform it into a cohesive whole. Basically making one thing from many. But, how do they do it? In this episode

  • 09:33 The Future of Gaming: Crash Course Games #29

    The Future of Gaming: Crash Course Games #29

    443 views / 1 likes - added

    Welcome to the FINAL LEVEL of Crash Course Games! We thought it made the most sense to sign off this series by taking a look towards the future because you know... boss battles are supposed to be tough. Now we don’t know the future obviously, so this epis

  • 10:41 Popular To Sleep, Perchance to Dream - Crash Course Psychology #9

    To Sleep, Perchance to Dream - Crash Course Psychology #9

    807 views / 0 likes - added

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  • 11:50 Popular How to Train a Brain - Crash Course Psychology #11

    How to Train a Brain - Crash Course Psychology #11

    753 views / 0 likes - added

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  • 11:10 Revenue, Profits, And Price: Crash Course Economics #24

    Revenue, Profits, And Price: Crash Course Economics #24

    412 views / 0 likes - added

    How do companies make money? What are profits? Revenues? How are prices set? This week, Jacob and Adriene are talking business. Whether you're selling cars, pizza, or glow sticks, this video has pretty much all the information you need to run a business.

  • 11:04 Brains Vs. Bias: Crash Course Psychology #24

    Brains Vs. Bias: Crash Course Psychology #24

    487 views / 0 likes - added

    ***Subbable Message*** To: Everyone! Life is short. Don't forget to be awesome. Please. From: Dr. Dot To: All Living People Prepare - for I am about to take over the world. From: S.J. Black ****** You can directly support Crash Course at http://www.subbab

  • 12:12 Market Failures, Taxes, And Subsidies: Crash Course Economics #21

    Market Failures, Taxes, And Subsidies: Crash Course Economics #21

    527 views / 0 likes - added

    This week on Crash Course Econ, Jacob and Adriene are talking about failure. Specifically, we're talking about market failures. When markets don't provide a good or service efficiently, that's a market failure. When markets fail, often governments step in

  • 10:16 Income And Wealth Inequality: Crash Course Economics

    Income And Wealth Inequality: Crash Course Economics

    636 views / 0 likes - added

    Inequality is a big, big subject. There's racial inequality, gender inequality, and lots and lots of other kinds of inequality. This is Econ, so we're going to talk about wealth inequality and income inequality. There's no question that economic inequalit

  • 11:21 The Economics Of Immigration: Crash Course Econ #33

    The Economics Of Immigration: Crash Course Econ #33

    622 views / 1 likes - added

    Is Immigration good or bad? Immigration is a touchy subject in the United States. The 2016 election has been filled with debate about the subject, and both proponents and opponents have lots of reasons for their stance. But, this is a show about economics

  • 11:22 Popular The Periodic Table: Crash Course Chemistry #4

    The Periodic Table: Crash Course Chemistry #4

    762 views / 1 likes - added

    Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the different sorts of atoms in the

  • 12:09 Intro To Economics: Crash Course Econ #1

    Intro To Economics: Crash Course Econ #1

    628 views / 1 likes - added

    In which Jacob Clifford and Adriene Hill launch a brand new Crash Course on Economics! So, what is economics? Good question. It's not necessarily about money, or stock markets, or trade. It's about people and choices. What, you may ask, does that mean. We

  • 09:44 Popular Immune System, Part 2: Crash Course A&P #46

    Immune System, Part 2: Crash Course A&P #46

    728 views / 0 likes - added

    In the penultimate episode of Crash Course Anatomy & Physiology, Hank explains your adaptive immune system. The adaptive immune system's humoral response guards extracellular terrain against pathogens. Hank also explains B cells, antibodies, and how vacci

  • 11:38 Monkeys and Morality: Crash Course Psychology #19

    Monkeys and Morality: Crash Course Psychology #19

    566 views / 0 likes - added

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  • 10:38 Capacitors and Kirchhoff: Crash Course Physics #31

    Capacitors and Kirchhoff: Crash Course Physics #31

    350 views / 0 likes - added

    This is a re-upload because of an error in one of the equations! It's all fixed now :) Big thanks to Prudential for sponsoring this episode of Crash Course! Go to http://Raceforretirement.com and see how if you start saving more today, you can continue to

  • 10:48 DC Resistors & Batteries: Crash Course Physics #29

    DC Resistors & Batteries: Crash Course Physics #29

    344 views / 1 likes - added

    Batteries power much of your daily life, so today we're going to talk about how they work. We're also explaining how terminal voltage results from the natural internal resistance of every real battery. We'll get into both series and parallel circuit confi

  • 10:08 Social Influence: Crash Course Psychology #38

    Social Influence: Crash Course Psychology #38

    484 views / 0 likes - added

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  • 08:45 Ampère's Law: Crash Course Physics #33

    Ampère's Law: Crash Course Physics #33

    541 views / 0 likes - added

    Hans Christian Oersted had just discovered the connection between electricity and magnetism. Meanwhile, a French physicist named André-Marie Ampère was experimenting with some wires, trying to learn more about the connection between currents and the magne

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

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

    604 views / 4 likes - added

    Disclaimer: This is very different than the usual Crash Course US History episode. In which John Green lists a whole lot of the battles of the US Civil War in seven and a half minutes. We get a lot of requests for military history, so we offer a list of b

  • 09:37 Immune System, Part 3: Crash Course A&P #47

    Immune System, Part 3: Crash Course A&P #47

    554 views / 0 likes - added

    THE FINAL SHOWDOWN! This is the last episode on the immune system and also the very last episode of Crash Course Anatomy & Physiology. In it, Hank explains how the cellular immune response uses helper, cytotoxic, and regulatory T cells to attack body cell

  • 11:20 The Power of Motivation: Crash Course Psychology #17

    The Power of Motivation: Crash Course Psychology #17

    602 views / 0 likes - added

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  • 09:11 Simple Harmonic Motion: Crash Course Physics #16

    Simple Harmonic Motion: Crash Course Physics #16

    516 views / 0 likes - added

    Get Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcourse-physics-mug Bridges... bridges, bridges, bridges. We talk a lot about bridges in Physics. Why? Because there is A LOT of practical physics that can be learned from the pl

  • 09:42 Electric Charge: Crash Course Physics #25

    Electric Charge: Crash Course Physics #25

    420 views / 2 likes - added

    Moving on to our unit on the Physics of Electricity, it's time to talk about charge. What is charge? Is there a positive and negative charge? What do those things mean? In this episode, Shini talks about electrostatic forces, electrical charge, Coulomb's

  • 09:47 Fluids In Motion: Crash Course Physics #15

    Fluids In Motion: Crash Course Physics #15

    538 views / 0 likes - added

    Get Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcourse-physics-mug Today, we continue our exploration of fluids and fluid dynamics. How do fluids act when they're in motion? How does pressure in different places change water

  • 11:24 Unit Conversion&Significant Figures: Crash Course Chemistry #2

    Unit Conversion&Significant Figures: Crash Course Chemistry #2

    411 views / 0 likes - added

    A unit is the frequently arbitrary designation we have given to something to convey a definite magnitude of a physical quantity and every quantity can be expressed in terms of the seven base units that are contained in the international system of units. H

  • 10:41 Aggression V. Altruism: Crash Course Psychology #40

    Aggression V. Altruism: Crash Course Psychology #40

    432 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 11:24 Their Eyes Were Watching God: Crash Course Literature 301

    Their Eyes Were Watching God: Crash Course Literature 301

    452 views / 0 likes - added

    In which John Green reads Zora Neale Hurston's novel, "Their Eyes Were Watching God," and talks to you about it. You'll learn about Zora Neale Hurston's life, and we'll also look at how the interpretations of the book have changed over time. Also, this bo

  • 12:18 100 Years of Solitude Part 2: Crash Course Literature 307

    100 Years of Solitude Part 2: Crash Course Literature 307

    402 views / 0 likes - added

    In which we continue our exhaustive look at One Hundred Years of Solitude by Gabriel Garcia Marquez. Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their gene

  • 04:26 Everything Revolves Around You: Crash Course Kids #22.1

    Everything Revolves Around You: Crash Course Kids #22.1

    674 views / 1 likes - added

    So, why doesn't the moon just crash into the Earth? And why doesn't the Earth crash into the Sun? What are orbits exactly and why do they happen? Well, it has to do with gravity and velocity. In this episode of Crash Course Kids, Sabrina talks to us about

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  • 09:39 Major Sociological Paradigms: Crash Course Sociology #2

    Major Sociological Paradigms: Crash Course Sociology #2

    514 views / 0 likes - added

    This week we introduce sociology’s three major theoretical paradigms, and some of the advantages and disadvantages of each paradigm. Crash Course is made with Adobe Creative Cloud. Get a free trial here: https://www.adobe.com/creativecloud.html *** Crash

  • 07:45 Popular Traveling Waves: Crash Course Physics #17

    Traveling Waves: Crash Course Physics #17

    879 views / 1 likes - added

    Get Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcourse-physics-mug Waves are cool. The more we learn about waves, the more we learn about a lot of things in physics. Everything from earthquakes to music! Ropes can tell us a l

  • 10:22 Popular Supply And Demand: Crash Course Economics #4

    Supply And Demand: Crash Course Economics #4

    1,515 views / 1 likes - added

    In which Adriene Hill and Jacob Clifford teach you about one of the fundamental economic ideas, supply and demand. What is supply and demand? Well, you’ll have to watch the video to really understand it, but it’s kind of important for everything economica

  • 11:57 Foreign Aid And Remittance: Crash Course Econ #34

    Foreign Aid And Remittance: Crash Course Econ #34

    476 views / 0 likes - added

    What is foreign aid? How much foreign aid does the United States distribute each year. Comparatively, not much. In fact, foreign aid only accounts for a small fraction of most nations' overall spending. But it's hugely important. Foreign aid improves heal

  • 10:38 Labor Markets And Minimum Wage: Crash Course Economics #28

    Labor Markets And Minimum Wage: Crash Course Economics #28

    519 views / 1 likes - added

    How much should you get paid for your job? Well, that depends on a lot of factors. Your skill set, the demand for the skills you have, and what other people are getting paid around you all factor in. In a lot of ways, labor markets work on supply and dema

  • 11:53 Early Computing: Crash Course Computer Science #1

    Early Computing: Crash Course Computer Science #1

    520 views / 0 likes - added

    Hello, world! Welcome to Crash Course Computer Science! So today, we’re going to take a look at computing’s origins, because even though our digital computers are relatively new, the need for computation is not. Since the start of civilization itself, hum

  • 10:26 Determinism vs Free Will: Crash Course Philosophy #24

    Determinism vs Free Will: Crash Course Philosophy #24

    567 views / 0 likes - added

    Do we really have free will? Today Hank explores possible answers to that question, explaining theories like libertarian free will and it’s counterpoint, hard determinism. Get your own Crash Course Philosophy mug from DFTBA: http://store.dftba.com/product

  • 10:48 Social Thinking: Crash Course Psychology #37

    Social Thinking: Crash Course Psychology #37

    438 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 10:20 Emotion, Stress and Health: Crash Course Psychology #26

    Emotion, Stress and Health: Crash Course Psychology #26

    661 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 05:30 Let's Fly!: Crash Course Kids 26.2

    Let's Fly!: Crash Course Kids 26.2

    618 views / 1 likes - added

    Selecting which solution is the best solution to a problem may seem difficult at first. But if you are patient and think about what you need an effective solution to be, you can do it. In this episode of Crash Course Kids, Sabrina shows us how to do just

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  • 12:39 Controversy of Intelligence: Crash Course Psychology #23

    Controversy of Intelligence: Crash Course Psychology #23

    506 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 09:59 Fluids At Rest: Crash Course Physics #14

    Fluids At Rest: Crash Course Physics #14

    369 views / 0 likes - added

    This episode is sponsored by Audible. Try Audible: http://audible.com/crashcourse Get Your Crash Course Physics Mug here: http://store.dftba.com/products/crashcourse-physics-mug In this episode of Crash Course Physics, Shini is very excited to start talki

  • 08:23 Environmental Econ: Crash Course Economics #22

    Environmental Econ: Crash Course Economics #22

    470 views / 0 likes - added

    So, if economics is about choices and how we use our resources, econ probably has a lot to say about the environment, right? Right! In simple terms, pollution is just a market failure. The market is producing more pollution than society wants. This week,

  • 10:02 Popular Peripheral Nervous System: Crash Course A&P #12

    Peripheral Nervous System: Crash Course A&P #12

    811 views / 2 likes - added

    It is now time to meet the system that helps your crazy brain stay in touch with the outside world. We follow up last week's tour of the central nervous system with a look at your peripheral nervous system, its afferent and efferent divisions, how it proc

  • 10:43 Tissues, Part 1: Crash Course A&P #2

    Tissues, Part 1: Crash Course A&P #2

    513 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Jordan Schoonover FROM: Mom, Dad&Madison Happy Birthday Jordan! We love you sweetheart!! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything w

  • 10:42 Cognition: How Your Mind Can Amaze and Betray You - Crash Course Psychology #15

    Cognition: How Your Mind Can Amaze and Betray You - Crash Course Psychology #15

    631 views / 1 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 10:19 Home Video: Crash Course Film History #13

    Home Video: Crash Course Film History #13

    368 views / 0 likes - added

    As the New Hollywood gained steam in the late 70s and early 80s, another revenue stream opened its doors: home video. From Betamax to Laserdisc to Bluray to streaming services, home video revolutionized how we ingest movies. In this episode of Crash Cours

  • 04:01 Got Some Solutions?: Crash Course Kids #26.1

    Got Some Solutions?: Crash Course Kids #26.1

    545 views / 0 likes - added

    So, there might not be just one solution to a problem. I know that may sound weird, but it's true. So, how do you come up with multiple solutions? In this episode of Crash Course Kids, Engineer Sabrina shows us how to do that. Watch More Crash Course Kids

  • 09:34 Endocrine System, Part 2 - Hormone Cascades: Crash Course A&P #24

    Endocrine System, Part 2 - Hormone Cascades: Crash Course A&P #24

    617 views / 0 likes - added

    In the second half of our look at the endocrine system, Hank discusses chemical homeostasis and hormone cascades. Specifically, he looks at the hypothalamus-pituitary-thyroid axis, or HPT axis, and all the ways your body can suffer when that system, or yo

  • 09:20 Newtonian Gravity: Crash Course Physics #8

    Newtonian Gravity: Crash Course Physics #8

    402 views / 1 likes - added

    I'm sure you've all heard about Isaac Newton and that apple that fell on his head and how that was a huge deal to our understanding of gravity. Well... let's talk about that. In this episode of Crash Course Physics, Shini sits down to talk about the reali

  • 11:45 Gambling: Crash Course Games #27

    Gambling: Crash Course Games #27

    323 views / 0 likes - added

    Today we’re going to talk about gambling. Now, gambling is interesting because it could be argued that gambling doesn’t even have anything to do with games. It’s usually about making money after all - which makes it much closer to work. But gambling defin

  • 02:56 Popular Gotta Eat! - Crash Course Kids 1.1

    Gotta Eat! - Crash Course Kids 1.1

    868 views / 2 likes - added

    Welcome to Crash Course Kids. In this first episode, Sabrina takes a look at why all living things need to eat. Plus, she shows you a way to investigate why all living things need to eat. This first series is based on 5th grade science. We're super excite

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  • 10:34 Behavioral Economics: Crash Course Econ 27

    Behavioral Economics: Crash Course Econ 27

    466 views / 1 likes - added

    Why do people buy the stuff they buy? In classical economics, most models assume that consumers behave rationally. As you've probably noticed in your real life, in case after case, people don't actually make rational decisions. There can be emotional or s

  • 11:54 Popular Fiscal Policy And Stimulus: Crash Course Economics #8

    Fiscal Policy And Stimulus: Crash Course Economics #8

    880 views / 0 likes - added

    In which Jacob and Adriene teach you about the evils of fiscal policy and stimulus. Well, maybe the policies aren't evil, but there is an evil lair involved. In this episode we learn how government use taxes and spending influence the economy. Sometimes t

  • 09:07 Where Does Your Mind Reside?: Crash Course Philosophy #22

    Where Does Your Mind Reside?: Crash Course Philosophy #22

    414 views / 0 likes - added

    Today we continue our unit on identity by asking where the mind resides. Hank explains the mind body problem and several approaches to the question of where our minds reside, including reductive physicalism, substance dualism, and mysterianism. Get your o

  • 09:56 Game Theory And Oligopoly: Crash Course Economics #26

    Game Theory And Oligopoly: Crash Course Economics #26

    623 views / 0 likes - added

    Would you like to play a game, Dr. Falken? Actually, this episode isn't really about games, or Matthew Broderick, or Thermonuclear War. But enough with the long references to 1983's best movie, War Games. Today Jacob and Adriene are going to teach you abo

  • 10:38 Aesthetics: Crash Course Philosophy #31

    Aesthetics: Crash Course Philosophy #31

    586 views / 0 likes - added

    How do art and morality intersect? Today we look at an ethically questionable work of art and discuss R. G. Collingwood’s view that art is best when it helps us live better lives. We’ll go over Aristotle’s concept of catharsis and how it can resolve the p

  • 11:55 Lord of the Flies: Crash Course Literature 305

    Lord of the Flies: Crash Course Literature 305

    392 views / 1 likes - added

    This week, John i s talking about one of his least favorite novels, The Lord of the Flies by William Golding. Lord of the Flies is a novel of ideas, and John doesn't agree with the central idea of the novel, which diminished his enjoyment of the book. The

  • 11:09 Biomedical Treatments: Crash Course Psychology #36

    Biomedical Treatments: Crash Course Psychology #36

    431 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 11:57 Calorimetry: Crash Course Chemistry #19

    Calorimetry: Crash Course Chemistry #19

    342 views / 0 likes - added

    Today's episode dives into the HOW of enthalpy. How we calculate it, and how we determine it experimentally...even if our determinations here at Crash Course Chemistry are somewhat shoddy. -- Table of Contents Hess' Law 2:30 Calorimeter 3:12 Calorimetry 3

  • 10:12 Eating and Body Dysmorphic Disorders: Crash Course Psychology #33

    Eating and Body Dysmorphic Disorders: Crash Course Psychology #33

    509 views / 0 likes - added

    Get Help: If you think you have an eating disorder, please contact http://www.nationaleatingdisorders.org/ for help! You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we'r

  • 10:30 Independent Cinema: Crash Course Film History #12

    Independent Cinema: Crash Course Film History #12

    331 views / 0 likes - added

    Hollywood was riding high until their formula got to be stale. In places like Italy and France (as well as other places in the world we'll talk about soon) filmmakers were starting to break out of the mold and make daring films that challenged the idea of

  • 10:00 Depressive and Bipolar Disorders: Crash Course Psychology #30

    Depressive and Bipolar Disorders: Crash Course Psychology #30

    444 views / 2 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. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 11:34 Marginal Analysis, Roller Coasters, Elasticity, And Van Gogh: Crash Course Econ #18

    Marginal Analysis, Roller Coasters, Elasticity, And Van Gogh: Crash Course Econ #18

    493 views / 0 likes - added

    This week Jacob and Adriene teach you about marginal analysis, which you're using RIGHT NOW! The video is coming from inside the house! Or something. You'll learn how marginal analysis guides the decision making if cities, nations, companies, and amusemen

  • 10:51 The Pokémon Phenomenon: Crash Course Games #28

    The Pokémon Phenomenon: Crash Course Games #28

    450 views / 2 likes - added

    Today we’re going to do something a little bit different and take everything we’ve learned so far and apply it to a case study on (arguably) the biggest game franchise in the world: Pokémon. Now Pokémon, like a select few other games we’ve discussed in th

  • 11:04 Popular Newton's Laws: Crash Course Physics #5

    Newton's Laws: Crash Course Physics #5

    736 views / 2 likes - added

    I'm sure you've heard of Isaac Newton and maybe of some of his laws. Like, that thing about "equal and opposite reactions" and such. But what do his laws mean? And how do they help us understand the world around us? In this episode of Crash Course Physics


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