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

    The Big Bang: Crash Course Astronomy #42

    486 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

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

    The Big Bang: Crash Course Big History #1

    518 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

  • 02:25 Was There a Universe Here Before Ours? The Big Bang vs the Big Bounce

    Was There a Universe Here Before Ours? The Big Bang vs the Big Bounce

    278 views / 0 likes - added

    The universe might’ve started with a bounce instead of a bang, but what exactly would this bouncing universe look like? These New Black Holes Challenge Our Theories of Galactic Evolution - https://youtu.be/W60OqAbtv3U Read More: Physicists Just Showed Tha

  • 04:22 Big Bang in an infinite Universe

    Big Bang in an infinite Universe

    117 views / 0 likes - added

    How the Big Bang can be reconciled with the possibility that we live in an infinite Universe.

  • 12:03 Was The Big Bang Just A Black Hole?

    Was The Big Bang Just A Black Hole?

    242 views / 0 likes - added

    Fraser "Asks a Spaceman" Dr. Paul Matt Sutter - why do we call the Big Bang a singularity, when we also call black holes singularities? Click here for Part II: https://www.youtube.com/watch?v=Fb9ivmAi6rM Support us at: http://www.patreon.com/universetoday

  • 03:54 The Big Bang was everywhere

    The Big Bang was everywhere

    116 views / 0 likes - added

    Neil deGrasse Tyson discusses where the Big Bang was, the age of the universe, and how we know. Full video can be seen here: http://www.youtube.com/watch?v=4KRZQQ_eICo

  • 01:18 Why The Big Bang Isn't The Beginning Of The Universe — It's The End Of Something Else

    Why The Big Bang Isn't The Beginning Of The Universe — It's The End Of Something Else

    159 views / 0 likes - added

    The Big Bang is not the beginning of the universe, it is the end of our theoretical understanding of space and time. Prior to the Big Bang, we just don't know what existed. It's possible that our universe came from another universe entirely. Science Insid

  • 12:35 Why The Big Bang Definitely Happened | Space Time | PBS Digital Studios

    Why The Big Bang Definitely Happened | Space Time | PBS Digital Studios

    266 views / 0 likes - added

    How physics lets us rewind time to the beginning of the universe. Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http:/

  • 12:58 What’s Wrong With The Big Bang Theory? | Space Time | PBS Digital Studios

    What’s Wrong With The Big Bang Theory? | Space Time | PBS Digital Studios

    217 views / 0 likes - added

    There's a problem with the Big Bang Theory. Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbss

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

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

    364 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

    341 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

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

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

    252 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

  • 04:01 Picture of the Big Bang (a.k.a. Oldest Light in the Universe)

    Picture of the Big Bang (a.k.a. Oldest Light in the Universe)

    145 views / 0 likes - added

    Where does all the stuff in the universe come from? Explore a map of the big bang! http://www.bigbangregistry.com minutephysics is now on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute P

  • 06:43 25 years studying the Big Bang’s afterglow

    25 years studying the Big Bang’s afterglow

    232 views / 0 likes - added

    This week marks the 25th anniversary of a Nobel Prize winning discovery: the first image of the cosmic microwave background. This image showed the world what the universe looked like shortly after the big bang, and transformed cosmology. Reporter Davide C

  • 02:30 A Polarizing Discovery About The Big Bang!

    A Polarizing Discovery About The Big Bang!

    276 views / 0 likes - added

    Get a free audiobook at http://www.audible.com/minutephysics and Thanks to the following Subbable.com supporters: Owain Blackwood @vicnice137 www.lightbow.net More about the Big Bang: https://www.youtube.com/watch?v=q3MWRvLndzs More about the Cosmic Backg

  • 01:42 EXCLUSIVE: Stephen Hawking on What Existed Before the Big Bang

    EXCLUSIVE: Stephen Hawking on What Existed Before the Big Bang

    164 views / 0 likes - added

    In this exclusive clip, Tyson asks Hawking your standard softball interview question: what was around before the big bang? In other words, what happened before the moment the universe began? Check out Hawking’s answer: “The boundary condition of the unive

  • 05:55 The Beginning Of Everything -- The Big Bang

    The Beginning Of Everything -- The Big Bang

    389 views / 0 likes - added

    How did everything get started? Has the universe a beginning or was it here since forever? Well, evidence suggests that there was indeed a starting point to this universe we are part of right now. But how can this be? How can something come from nothing?

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

    Special Relativity: Crash Course Physics #42

    275 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

  • 01:20 The Big Bang Reimagined (Narrated By Brian Cox) | BBC Earth

    The Big Bang Reimagined (Narrated By Brian Cox) | BBC Earth

    63 views / 0 likes - added

    The wonder of the Big Bang, reimagined. Narrated by physicist Brian CoxThis Space Day, were launching our summer of space. Starting with a deeper look at our solar system - The Planets -coming soon.#SpaceDay #BigBang #BrianCoxSubscribe: http://bit.ly/BBCE

  • 02:28 How is a Black Hole similar to the Big Bang ? | Earth Lab

    How is a Black Hole similar to the Big Bang ? | Earth Lab

    129 views / 1 likes - added

    Black holes inspired Stephen Hawking's most controversial idea: if we can understand how time comes to an end in black holes, that might help us understand how time began in the big bang. Subscribe to Earth Lab for more science videos: http://bit.ly/Subsc

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

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

    389 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

  • 04:47 Big Bang Bath Bomb + More Galaxy DIYs! | BEND THE TREND

    Big Bang Bath Bomb + More Galaxy DIYs! | BEND THE TREND

    224 views / 0 likes - added

    Trending this week? Galaxies! Turn into a BATHTRONAUT with this Big Bang Bath Bomb, and make your pencil COSMICALLY sharp with this Starship Pencil Sharpener! → Credits ← Host – Camille Briggs Executive Producer – Judy Meyers Producer – Daisy Wall and O.Z

  • 04:06 Succeed By Failing: Crash Course Kids #42.1

    Succeed By Failing: Crash Course Kids #42.1

    455 views / 0 likes - added

    We all know that failure is bad... but is it? Actually, Engineers need things to fail so they can understand how to make things better. In this episode of Crash Course Kids, Sabrina chats to us about failure points and how they can help us find better sol

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

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

    301 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

  • 09:47 Non-Human Animals: Crash Course Philosophy #42

    Non-Human Animals: Crash Course Philosophy #42

    242 views / 0 likes - added

    Today we are taking all the things we have learned this year about doing philosophy and applying that to moral considerations regarding non-human animals. We’ll explore what philosophers like Peter Singer and Carl Cohen have to say about their use, includ

  • 04:02 Fixing Failure Points: Crash Course Kids #42.2

    Fixing Failure Points: Crash Course Kids #42.2

    258 views / 0 likes - added

    Now that we've talked about failure points, let's talk about how to fix them. In this episode of Crash Course Kids, Sabrina shows us how to set up models and trails to find and fix failure points. Watch More Crash Course Kids: https://www.youtube.com/user

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

    Deep Time: Crash Course Astronomy #45

    321 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

  • 08:13 Interest Groups: Crash Course Government And Politics #42

    Interest Groups: Crash Course Government And Politics #42

    279 views / 0 likes - added

    Today, Craig is going to talk about something you fans out there have been demanding for months - money in politics. Specifically, we're going to talk about special interest groups and their role in the U.S. political system. Special interest groups are g

  • 09:50 Aromatics and Cyclic Compounds - Crash Course Chemistry #42

    Aromatics and Cyclic Compounds - Crash Course Chemistry #42

    222 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.

  • 04:57 Big Changes In The Big Apple: Crash Course Kids #38.1

    Big Changes In The Big Apple: Crash Course Kids #38.1

    373 views / 0 likes - added

    Did you know that all living things change their environments? It's true. Beavers, deer, worms, and humans all change their environments. It just so happens that humans change our environments in big, obvious ways. In this episode, Sabrina chats about how

  • 01:27 Where Was The Big Bang?

    Where Was The Big Bang?

    124 views / 0 likes - added

    FREE Audiobook on Audible: http://bit.ly/ZEAtPh MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics provides an energetic and entertaining view of old and new prob

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

    Black Holes: Crash Course Astronomy #33

    455 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

  • 11:03 Big Bang Introduction

    Big Bang Introduction

    302 views / 1 likes - added

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

    Binary And Multiple Stars: Crash Course Astronomy #34

    333 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

  • 12:16 Nebulae: Crash Course Astronomy #36

    Nebulae: Crash Course Astronomy #36

    250 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

  • 05:20 Science, Religion, and the Big Bang

    Science, Religion, and the Big Bang

    167 views / 0 likes - added

    Support MinutePhysics and MinuteEarth on Subbable - http://www.subbable.com/minuteearth AND http://www.subbable.com/minutephysics MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephys

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

    Dark Matter: Crash Course Astronomy #41

    253 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

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

    The Milky Way: Crash Course Astronomy #37

    249 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

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

    Moon Phases: Crash Course Astronomy #4

    909 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

  • 04:39 Big Changes In The Big Forest: Crash Course Kids #38.2

    Big Changes In The Big Forest: Crash Course Kids #38.2

    402 views / 1 likes - added

    What do beavers, termites, and prairie dogs have in common? They all change their environments! Last time we talked about how humans change their environments, but humans are animals and all animals change their environments just by living in them. Watch

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

    Neutron Stars: Crash Course Astronomy #32

    355 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

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

    Naked Eye Observations: Crash Course Astronomy #2

    343 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

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

    Star Clusters: Crash Course Astronomy #35

    219 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.

  • 13:55 Globalization II - Good or Bad?: Crash Course World History #42

    Globalization II - Good or Bad?: Crash Course World History #42

    313 views / 0 likes - added

    In which John asks whether globalization is a net positive for humanity. While the new global economy has created a lot of wealth, and lifted a lot of people out of poverty, it also has some effects that aren't so hot. Wealth disparity, rising divorce rat

  • 05:24 Did the Big Bang Break the Laws of Thermodynamics? With Sean Carroll

    Did the Big Bang Break the Laws of Thermodynamics? With Sean Carroll

    212 views / 0 likes - added

    Why did the Universe have such low entropy at the start? Are the laws of physics consistent across the multiverse? Can we see evidence of other regions of the multiverse? Sean Carroll discusses thermodynamics and the Universe. Tell us what you think of us

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

    Low Mass Stars: Crash Course Astronomy #29

    284 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

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

    Galaxies, Part 1: Crash Course Astronomy #38

    295 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

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

    Galaxies, Part 2: Crash Course Astronomy #39

    261 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

    301 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,

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

    Why Cosmic Evolution Matters: Crash Course Big History #201

    157 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

  • 14:37 Exploring the Universe: Crash Course Big History #2

    Exploring the Universe: Crash Course Big History #2

    331 views / 0 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about what happened in the Universe after the big bang. They'll teach you about cosmic background radiation, how a bunch of hydrogen and helium turned into stars, formed galaxies, created heavy

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

    Introduction to the Solar System: Crash Course Astronomy #9

    518 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

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

    Gamma-Ray Bursts: Crash Course Astronomy #40

    311 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

  • 11:33 Asteroids: Crash Course Astronomy #20

    Asteroids: Crash Course Astronomy #20

    346 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,

  • 11:22 Meteors: Crash Course Astronomy #23

    Meteors: Crash Course Astronomy #23

    302 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

  • 11:21 Distances: Crash Course Astronomy #25

    Distances: Crash Course Astronomy #25

    269 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

  • 11:55 Comets: Crash Course Astronomy #21

    Comets: Crash Course Astronomy #21

    371 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

  • 10:32 Eclipses: Crash Course Astronomy #5

    Eclipses: Crash Course Astronomy #5

    364 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

  • 11:50 Exoplanets: Crash Course Astronomy #27

    Exoplanets: Crash Course Astronomy #27

    264 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

  • 10:34 Light: Crash Course Astronomy #24

    Light: Crash Course Astronomy #24

    333 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

    405 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

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

    Why Human Ancestry Matters: Crash Course Big History 205

    176 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

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

    The Gravity of the Situation: Crash Course Astronomy #7

    361 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

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

    The Deep Future: Crash Course Big History #10

    385 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

  • 12:01 Telescopes: Crash Course Astronomy #6

    Telescopes: Crash Course Astronomy #6

    346 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

  • 12:16 Saturn: Crash Course Astronomy #18

    Saturn: Crash Course Astronomy #18

    468 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

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

    Cycles in the Sky: Crash Course Astronomy #3

    300 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

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

    Why Human Evolution Matters: Crash Course Big History 204

    287 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

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

    Jupiter's Moons: Crash Course Astronomy #17

    403 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

  • 10:18 Mercury: Crash Course Astronomy #13

    Mercury: Crash Course Astronomy #13

    570 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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  • 10:41 Stars: Crash Course Astronomy #26

    Stars: Crash Course Astronomy #26

    303 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

  • 10:50 Venus: Crash Course Astronomy #14

    Venus: Crash Course Astronomy #14

    516 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

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

    The Modern Revolution: Crash Course Big History #8

    337 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

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

    The Sun: Crash Course Astronomy #10

    416 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

    455 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

  • 11:04 Why Star Stuff Matters: Crash Course Big History 202

    Why Star Stuff Matters: Crash Course Big History 202

    210 views / 0 likes - added

    So, the stars made the elements, we're all made of star stuff, etc. But what does all this mean? This week Emily Graslie teaches you how the formation of chemical elements in the bellies of the earliest stars made life as we know it possible. Namely, we'l

  • 12:17 Why Early Globalization Matters: Crash Course Big History #206

    Why Early Globalization Matters: Crash Course Big History #206

    182 views / 0 likes - added

    Globalization has been in process for centuries, and has had a huge effect on Big History, and on Collective Learning. This week, Emily is investigating early globalization through three things that moved around the world and shaped collective learning in

  • 10:44 Jupiter: Crash Course Astronomy #16

    Jupiter: Crash Course Astronomy #16

    461 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

  • 10:12 Mars: Crash Course Astronomy #15

    Mars: Crash Course Astronomy #15

    414 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

    286 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

    989 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

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

    The Oort Cloud: Crash Course Astronomy #22

    320 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

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    White Dwarfs & Planetary Nebulae: Crash Course Astronomy #30

    217 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

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    Why the Evolutionary Epic Matters: Crash Course Big History #203

    156 views / 0 likes - added

    Today we're talking about evolution–basically the history of all life on Earth. The thing is, why are we talking about this. Well, the story of life, all the way back to single celled microbes billions of years ago, is all part of our human story. An impo

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    Migrations and Intensification: Crash Course Big History #7

    356 views / 0 likes - added

    In which Hank and John Green teach you about humanity conquering the Earth. Or at least moving from Africa into the rest of the Earth. As human beings spread out across the world and populations grew, humanity reached a critical mass of innovators, and co

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

    Life Begins: Crash Course Big History #4

    439 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

  • 12:20 The Anthropocene and the Near Future: Crash Course Big History #9

    The Anthropocene and the Near Future: Crash Course Big History #9

    355 views / 0 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about the Anthropocene, an unofficial geological era that covers the last century or so, in which humanity has made massive progress. We've discovered the Higgs-Boson particle, and awesome elect

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    Bang Dem Sticks - Meghan Trainor COVER by Jordyn Jones | GOT IT COVERED

    430 views / 2 likes - added

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  • 16:14 Human Evolution: Crash Course Big History #6

    Human Evolution: Crash Course Big History #6

    510 views / 1 likes - added

    In which John Green and Hank Green teach you about how human primates moved out of Africa and turned Earth into a real-life Planet of the Apes. And the apes are people! John and Hank teach you about how humans evolved, and the sort of tricks they picked u

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    Record: 42 Pandas Born in Breeding Program This Year | Nat Geo Wild

    614 views / 7 likes - added

    A record 42 giant pandas have been born this year at two breeding stations of the China Conservation and Research Center for the Giant Panda. ➡ Subscribe: http://bit.ly/NatGeoWILDSubscribe About Nat Geo Wild: Welcome to a place so wild, anything can happe

  • 25:01 Minecraft Xbox - Fizz Bang [308]

    Minecraft Xbox - Fizz Bang [308]

    250 views / 1 likes - added

    Part 309 - https://youtu.be/jR8pIZ1LRnk Welcome to my Let's Play of the Xbox 360 Edition of Minecraft. These videos will showcase what I have been getting up to in Minecraft and everything I have built. In this video I play my Fizz Bang mini-game with my

  • 15:05 The Evolutionary Epic: Crash Course Big History #5

    The Evolutionary Epic: Crash Course Big History #5

    273 views / 0 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about evolution. So, in the last 3.8 billion years, life on Earth has evolved from single-celled prokaryotes to the dizzying array of life we have today. So how did all this happen? We'll talk a

  • 14:33 The Sun&The Earth: Crash Course Big History #3

    The Sun&The Earth: Crash Course Big History #3

    407 views / 1 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about our Sun, and the formation of the planets. We're going to focus on the formation and development of the Earth, because that's where people live. You'll learn about the Solar nebula, the bi

  • 09:51 The Moon: Astronomy #12

    The Moon: Astronomy #12

    506 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

  • 13:05 42 PAINTING TRICKS FOR BEGINNERS

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    The Big Dipper Through Time

    229 views / 0 likes - added

    Stars aren’t still--they move through space. Our Sun and the seven stars that form the Big Dipper in the constellation Ursa Major all orbit the center of the Milky Way at different speeds. So why do today’s constellations closely resemble thos

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    What Will The Big Crunch Do To Earth?

    38 views / 0 likes - added

    Who laid down the reverse card on the big bang?Watch more: What If Earth Only Had One Season? https://www.youtube.com/watch?v=-TQHdMdBf20Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life Noggin merch: https://crowdmade.com/collections/life

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    Place Value Example With 42 | Place Value (tens And Hundreds) | Early Math | Khan Academy

    359 views / 0 likes - added

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  • 25:07 Minecraft Xbox - Ocean Den - Perfect Podium (42)

    Minecraft Xbox - Ocean Den - Perfect Podium (42)

    288 views / 2 likes - added

    Welcome to Ocean Den. In this series Sqaishey and I survive, explore and build in our ocean home. I hope you enjoy. Playlist - https://www.youtube.com/playlist?list=PLEZiAg2bYC7mT_3kwdiy279lfvBn0sZSd Sqaishey's channel - https://www.youtube.com/sqaishey T

  • 23:47 Minecraft: Xbox - Building Time - Clock Tower {42}

    Minecraft: Xbox - Building Time - Clock Tower {42}

    361 views / 4 likes - added

    Vote For Stampy - https://youtu.be/nSLhq6Ej4eU Vote For Squid - https://youtu.be/JkPkWXQ5FJE Welcome to Building time. In this series I will be having 15 minute round build offs against Ballistic Squid. Make sure to vote for your favorite build and leave

  • 29:25 Minecraft Xbox - Cave Den - Skipping Class (42)

    Minecraft Xbox - Cave Den - Skipping Class (42)

    288 views / 2 likes - added

    Welcome to Cave Den. In this series Sqaishey and I live in a giant cave while having fun, building and completing quests. Sqaishey's channel - https://www.youtube.com/sqaishey Twitter - @stampylongnose Facebook - www.facebook.com/stampylongnose UK Shop -

  • 29:25 Minecraft Xbox - Cave Den - Skipping Class (42)

    Minecraft Xbox - Cave Den - Skipping Class (42)

    213 views / 0 likes - added

    Welcome to Cave Den. In this series Sqaishey and I live in a giant cave while having fun, building and completing quests. Sqaishey's channel - https://www.youtube.com/sqaishey Twitter - @stampylongnose Facebook - www.facebook.com/stampylongnose UK Shop -

  • 19:42 Skylanders: Trap Team - The Golden Desert - Part 42

    Skylanders: Trap Team - The Golden Desert - Part 42

    368 views / 0 likes - added

    Part 43 - https://youtu.be/epLTxj5XTSY Welcome to my lets play of Skylanders: Trap Team. In this series I will play through the entire story of the game with commentary. Enjoy. Twitter - @stampylongnose Facebook - www.facebook.com/stampylongnose UK Shop -

  • 09:04 Electrochemistry: Crash Course Chemistry #36

    Electrochemistry: Crash Course Chemistry #36

    309 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.

  • 12:22 Creation from the Void: Crash Course Mythology #2

    Creation from the Void: Crash Course Mythology #2

    257 views / 0 likes - added

    Today on Crash Course Mythology we’re starting in on creation stories. This week, we’ll focus on the creation of the universe out of nothing, or Ex Nihlio creation. Basically, a god decides to make a universe out of nothing. We’ll look a

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

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

    308 views / 0 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

  • 15:08 Minecraft PS4 - End With A Bang - Negative Challenge {24}

    Minecraft PS4 - End With A Bang - Negative Challenge {24}

    161 views / 0 likes - added

    Welcome to the Negative Challenge. In this series I have to complete 10 challenges while playing with the colours inverted. Thank you for watching the series. I hope you enjoyed it. Playlist - https://www.youtube.com/playlist?list=PLEZiAg2bYC7mSZ9kYy9KLs_

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

    Peripheral Nervous System: Crash Course A&P #12

    483 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

  • 05:44 Is Big Data Getting Too Big?

    Is Big Data Getting Too Big?

    312 views / 0 likes - added

    Try Lynda.com: http://lynda.com/okay Tweet this ⇒ http://bit.ly/OKTBSdata Share on FB ⇒ http://bit.ly/OKTBSdataFB ↓ More info and sources below ↓ Check out Stanford’s “Raw Data” podcast: https://soundcloud.com/rawdatapodcast https://itunes.apple.com/us/po

  • 07:10 BIG CATS Getting Snacks!

    BIG CATS Getting Snacks!

    347 views / 4 likes - added

    Get an up close and personal look at many of the big cats at the sanctuary as they enjoy yummy treats! Learn more about each one by visiting bigcatrescue.org/catbio You can help feed the cats at no cost to you using Amazon Smile! Visit BigCatRescue.org/Am

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

    Psychological Disorders: Crash Course Psychology #28

    421 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

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

    Income And Wealth Inequality: Crash Course Economics

    412 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

  • 10:24 Homunculus - Crash Course Psychology #6

    Homunculus - Crash Course Psychology #6

    314 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.

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

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

    679 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

  • 03:09 What Airplane Turbulence Is And Why It's No Big Deal

    What Airplane Turbulence Is And Why It's No Big Deal

    234 views / 0 likes - added

    Airplane turbulence may seem like the end of the road but statistically, there is no data of a plane crash caused by turbulence. Here is why turbulence is caused and why it should stop you from booking your next flight. Following is a transcript of the vi

  • 09:36 Political Campaigns: Crash Course Government And Politics #39

    Political Campaigns: Crash Course Government And Politics #39

    222 views / 0 likes - added

    So political campaigns are a pretty big deal in the United States. For instance the 2012 presidential election clocked in at the most expensive ever - at around $6 billion dollars! Needless to say, money plays a very big role in American elections. So tod

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

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

    538 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

  • 10:16 World Cinema - Part 1: Crash Course Film History #14

    World Cinema - Part 1: Crash Course Film History #14

    212 views / 0 likes - added

    The world is a big place and cinema isn't limited to just the U.S. and Europe. There are a lot of vibrant and influential film movements and cultures from all over the world. In this episode of Crash Course Film History, Craig talks to us a little about s

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

    Quantum Mechanics - Part 2: Crash Course Physics #44

    206 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

  • 06:08 Big Data - Tim Smith

    Big Data - Tim Smith

    288 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/exploration-on-the-big-data-frontier-tim-smith There is a mind-boggling amount of data floating around our society. Physicists at CERN have been pondering how to store and share their ever more massive data for

  • 11:08 Measuring Personality: Crash Course Psychology #22

    Measuring Personality: Crash Course Psychology #22

    459 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.

  • 05:10 Spaced Out: Crash Course Kids #25.1

    Spaced Out: Crash Course Kids #25.1

    329 views / 1 likes - added

    So... how big is the Universe? It's big... really big... no, bigger than that... it's big. In this episode of Crash Course Kids, Sabrina gives us some perspective on this whole Universe thing and how we fit into it. Watch More Crash Course Kids: https://w

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  • 04:17 The Most Important Astronomy Picture Ever Taken

    The Most Important Astronomy Picture Ever Taken

    282 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!

    136 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

  • 09:00 The Great Big Life Of Bugs

    The Great Big Life Of Bugs

    290 views / 0 likes - added

    Great Big Reel 173: New to our channel, or don't have time to look through our back catalog? This video is part of a series of Great Big Reels we've put together for a blast through our world. In this reel, we explore bugs in all their wonderful and stran

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

    Gravitational Astronomy? How Detecting Gravitational Waves Changes Everything

    236 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

  • 09:23 How Presidents Govern: Crash Course Government And Politics #14

    How Presidents Govern: Crash Course Government And Politics #14

    406 views / 0 likes - added

    This week Craig Benzine talks about how the president gets things done. Filling the role of the executive branch is a pretty big job - much too big for just one person. It's so big that the president employees an entire federal bureaucracy! Today, we’re j

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

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

    203 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.

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

    The Great Depression: Crash Course US History #33

    829 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

    299 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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  • 12:12 The Official Great Big Cat Video

    The Official Great Big Cat Video

    399 views / 1 likes - added

    Great Big Reel 159: New to our channel, or don't have time to look through our back catalog? This video is part of a series of Great Big Reels we've put together for a blast through our world. In this reel, we bring you cats. Lots of cats. All kinds of ca

  • 13:43 Macroeconomics: Crash Course Economics #5

    Macroeconomics: Crash Course Economics #5

    612 views / 0 likes - added

    This week, Adriene and Jacob teach you about macroeconomics. This is the stuff of big picture economics, and the major movers in the economy. Like taxes and monetary policy and inflation and policy. We need this stuff, because if you don't have a big pict

  • 05:16 Evolution in a Big City

    Evolution in a Big City

    202 views / 0 likes - added

    Using newts, coyotes and mice, Jason Munshi-South shows how animals develop genetic differences in evolution, even within an urban city. "Evolution in a Big City" was animated by the TED-Ed Animation Team (Jeremiah Dickey, Biljana Labovic, Celeste Lai, Ka

  • 05:27 The 1995 Hubble photo that changed astronomy

    The 1995 Hubble photo that changed astronomy

    308 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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  • 03:57 This Could Be the End of Urban Astronomy (360 Video)

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

    200 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

  • 01:35 Crash Course Economics Intro!

    Crash Course Economics Intro!

    303 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

  • 09:21 Collisions: Crash Course Physics #10

    Collisions: Crash Course Physics #10

    253 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

  • 13:11 Five Stories About Big Things

    Five Stories About Big Things

    59 views / 0 likes - added

    Weve gone big. Really big. Honestly, this reel is so big we were worried it might not fit on YouTube. But we made it work. Phew! Youre going to meet people who live large, including a man who wears a turban that weighs nearly 200 pounds and a gardener who

  • 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

    279 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

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

    The Remarkable Science of Ancient Astronomy | The Great Courses

    320 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

  • 05:26 How Big Is The Ocean? - Scott Gass

    How Big Is The Ocean? - Scott Gass

    435 views / 1 likes - added

    View full lesson: http://ed.ted.com/lessons/how-big-is-the-ocean-scott-gass While the Earth's oceans are known as five separate entities, there is really only one ocean. So, how big is it? As of 2013, it takes up 71% of the Earth, houses 99% of the biosph

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  • 04:33 How big is a mole? (Not the animal, the other one.) - Daniel Dulek

    How big is a mole? (Not the animal, the other one.) - Daniel Dulek

    250 views / 0 likes - added

    View full lesson here: http://ed.ted.com/lessons/daniel-dulek-how-big-is-a-mole-not-the-animal-the-other-one The word "mole" suggests a small, furry burrowing animal to many. But in this lesson, we look at the concept of the mole in chemistry. Learn the i

  • 13:56 Great Big Toy Stories

    Great Big Toy Stories

    187 views / 0 likes - added

    Great Big Reel 169: New to our channel, or don't have time to look through our back catalog? This video is part of a series of Great Big Reels we've put together for a blast through our world. In this reel, TOYS! From the world's largest model train to a

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

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

    417 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

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

    Astrophysics and Cosmology: Crash Course Physics #46

    327 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

  • 11:17 Water - Liquid Awesome: Crash Course Biology #2

    Water - Liquid Awesome: Crash Course Biology #2

    377 views / 0 likes - added

    Hank teaches us why water is one of the most fascinating and important substances in the universe. Follow SciShow on Twitter: http://www.twitter.com/scishow Like SciShow on Facebook: http://www.facebook.com/scishow Review: Re-watch = 00:00 Introduction =

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  • 09:57 The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P #7

    The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P #7

    376 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Helle Søndergaard FROM: Martin Søndergaard Congratulations for finishing first semester on physiotherapy! I'm so proud! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as

  • 10:44 Sympathetic Nervous System: Crash Course A&P #14

    Sympathetic Nervous System: Crash Course A&P #14

    344 views / 0 likes - added

    Hank tries not to stress you out too much as he delves into the functions and terminology of your sympathetic nervous system. -- Table of Contents Sympathetic Nervous System Controls the Body's Stress Response 0:26 How Signals Travel to Effectors 1:48 Ace

  • 04:23 What is the Purpose of Life? (Big Picture Ep. 5/5)

    What is the Purpose of Life? (Big Picture Ep. 5/5)

    265 views / 0 likes - added

    This video is about how life arose and what its main function or purpose in the universe seems to be. Thanks to http://www.audible.com/minutephysics for supporting this video, and to Sean Carroll for collaborating on it! Playlist of the full video series:

  • 03:41 The Mechanics of being Big Bird

    The Mechanics of being Big Bird

    31 views / 0 likes - added

    From the Movie Documentary: I Am Big Bird: The Caroll Spinney Story.

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

    Capacitors and Kirchhoff: Crash Course Physics #31

    232 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

  • 11:52 Educational Technology: Crash Course Computer Science #39

    Educational Technology: Crash Course Computer Science #39

    182 views / 1 likes - added

    Today we’re going to go a little meta and talk about how computer science can support learning with educational technology. We here at Crash Course are big fans of interactive in-class learning and hands-on experiences, but we also believe in the additive

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

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

    211 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

  • 12:52 Big Guns: The Muscular System - CrashCourse Biology #31

    Big Guns: The Muscular System - CrashCourse Biology #31

    489 views / 0 likes - added

    Hank tells us the story of the complicated chemical dance that allows our skeletal muscles to contract and relax. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCourse: http://www.facebook.com/YouTubeCrashCourse Follow CrashCo

  • 09:16 The Silent Era: Crash Course Film History #9

    The Silent Era: Crash Course Film History #9

    193 views / 0 likes - added

    The Silent Era of Hollywood set a lot of things into motion in terms of how movies were made and sold. Big stars were one of the main ways studios tried to make their movies stand apart from one another and get the public to make choices at the cinema. Bu

  • 04:31 TWL #6: Big Mac Economics

    TWL #6: Big Mac Economics

    284 views / 0 likes - added

    Big Macs: delicious (kinda), cheap (kinda), and educational (absolutely). In this episode, we look at how the economist magazine used burger prices to teach about purchasing power parity. If you enjoyed this video, please consider sharing on Reddit, Twitt

  • 14:04 Money&Debt: Crash Course World History 202

    Money&Debt: Crash Course World History 202

    440 views / 0 likes - added

    In which John Green teaches about filthy, filthy lucre. Money. And Debt. So, what is money? And what is it for? And why do we use money? And why does it all disappear so quickly after payday? John will look into 75% of these questions, and if he doesn't c

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

    Circuit Analysis: Crash Course Physics #30

    292 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

  • 09:04 Blood Vessels, Part 2: Crash Course A&P #28

    Blood Vessels, Part 2: Crash Course A&P #28

    375 views / 0 likes - added

    And now we return to blood vessels. In this episode, we start discussing what blood pressure is, how it can become "high", and what that means for our health. One of the more interesting points is that your body has ways of dealing with high blood pressur

  • 09:02 Temperature: Crash Course Physics #20

    Temperature: Crash Course Physics #20

    244 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

  • 08:45 Great Big Gourmet Eats

    Great Big Gourmet Eats

    180 views / 0 likes - added

    Great Big Reel 189: New to our channel, or don't have time to look through our back catalog? This video is part of a series of Great Big Reels we've put together for a blast through our world. In this reel, we feast our eyes on some of the world’s most ex

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

    Optical Instruments: Crash Course Physics #41

    216 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

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

    Induction - An Introduction: Crash Course Physics #34

    191 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

  • 03:43 Why is New York City Called the Big Apple?

    Why is New York City Called the Big Apple?

    310 views / 0 likes - added

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

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

    Light Is Waves: Crash Course Physics #39

    311 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

  • 08:47 Psychology of Gaming: Crash Course Games #16

    Psychology of Gaming: Crash Course Games #16

    187 views / 0 likes - added

    So we’ve talked a lot about what makes games so great in this series, but we haven’t really addressed the big question: why do we play games anyway? And well, the answer is pretty complicated, especially when you consider that some people really like card

  • 00:37 “Big Fat Zucchini

    “Big Fat Zucchini

    211 views / 0 likes - added

    “Big Fat Zucchini" Ep. 21: Steven and the Stevens Steven Universe Cartoon Network 2014 CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/StevenUniverse About Steven Universe: Introducing the Crystal Gems! Garnet, A

  • 01:05 Sesame Street: Big Bird's Sun Poem

    Sesame Street: Big Bird's Sun Poem

    276 views / 1 likes - added

    It’s time for Big Bird to read us a poem about something special. It’s big, yellow, and rises and sets when the day is done. It shines upon us it’s the sun! -- Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_use

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

    Quantum Mechanics - Part 1: Crash Course Physics #43

    248 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

  • 02:20 Sesame Street: More than a Toy with Big Bird (Song)

    Sesame Street: More than a Toy with Big Bird (Song)

    200 views / 0 likes - added

    Big Bird sings about how Radar is more than just a toy. He’s a buddy and sidekick! When Big Bird’s all alone and no one’s there to play, he can count on Radar to save the day! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscriptio

  • 09:43 How To Argue - Philosophical Reasoning: Crash Course Philosophy #2

    How To Argue - Philosophical Reasoning: Crash Course Philosophy #2

    376 views / 0 likes - added

    Before we dive into the big questions of philosophy, you need to know how to argue properly. We’ll start with an overview of philosophical reasoning and breakdown of how deductive arguments work (and sometimes don’t work). -- Images and video via VideoBlo

  • 02:19 Sesame Street: Big Bird Rhymes | #ThrowbackThursday

    Sesame Street: Big Bird Rhymes | #ThrowbackThursday

    110 views / 0 likes - added

    It's time for a rhyme with your old pal Big Bird! Big Bird tries to find words that rhyme with beep when things get a little out of hand with a flock of sheep! -- Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_

  • 10:21 Engines: Crash Course Physics #24

    Engines: Crash Course Physics #24

    224 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

  • 10:54 Intro to Psychology - Crash Course Psychology #1

    Intro to Psychology - Crash Course Psychology #1

    446 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.

  • 03:27 Sesame Street: Telly Interviews a Big Sister

    Sesame Street: Telly Interviews a Big Sister

    217 views / 1 likes - added

    We take you to our "Monster On The Spot" with the story of an actual big sister and her little brother. We've got Telly on location with Nicole and she is going to discuss the good points and bad points about being a big sister. Subscribe to the Sesame St

  • 09:22 Pollution: Crash Course Ecology #11

    Pollution: Crash Course Ecology #11

    375 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

  • 30:28 How To Draw Hiro From Big Hero 6

    How To Draw Hiro From Big Hero 6

    366 views / 0 likes - added

    Sweet, we've already drawn Baymax from Big Hero 6...now we're learning how to draw Hiro from Big Hero 6! Baymax: https://www.youtube.com/watch?v=5JYmBhQPKSE Baymax with armor: https://www.youtube.com/watch?v=AFsHcqpCR30 Here's an affiliate link to Amazon

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

    The Big History of Civilizations | The Great Courses

    255 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

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

    The Chemical Mind - Crash Course Psychology #3

    474 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.

  • 03:32 Why Do Humans Have Such Big Brains?

    Why Do Humans Have Such Big Brains?

    328 views / 1 likes - added

    Humans have some of the biggest brains and it's not only for problem solving. Why we have big brains might just surprise you... How Texting Affects Your Brain - http://bit.ly/2cb9uWU Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More

  • 02:39 Sesame Street: We Can Still Be Friends Song with R2D2 and Big Bird

    Sesame Street: We Can Still Be Friends Song with R2D2 and Big Bird

    191 views / 0 likes - added

    Big Bird is trying to teach R2D2 how to say banana but realizes that R2D2 speaks a different language than he does. Big Bird decides it doesn't matter how they speak, they can still be friends! -- Subscribe to the Sesame Street Channel here: http://www.yo

  • 07:13 How big is infinity? - Dennis Wildfogel

    How big is infinity? - Dennis Wildfogel

    159 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/how-big-is-infinity Using the fundamentals of set theory, explore the mind-bending concept of the "infinity of infinities" -- and how it led mathematicians to conclude that math itself contains unanswerable ques

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

    What Is A Game?: Crash Course Games #1

    334 views / 0 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

  • 10:04 Thermodynamics: Crash Course Physics #23

    Thermodynamics: Crash Course Physics #23

    240 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

  • 09:36 Breaking the Silence: Crash Course Film History #10

    Breaking the Silence: Crash Course Film History #10

    178 views / 0 likes - added

    Nothing changed movies like the arrival of synchronous sound. NOTHING! Acting, directing, cinematography, and presentation all had to be rethought. Some studios were more quick to take on the challenge while others waited until the last moment. Some actor

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

    Productivity And Growth: Crash Course Economics #6

    406 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

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

    Electric Fields: Crash Course Physics #26

    310 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

    241 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

  • 01:25 Exclusive! 'One Big Happy' Photo Booth Scares

    Exclusive! 'One Big Happy' Photo Booth Scares

    331 views / 0 likes - added

    Ellen asked her audience to check out the“One Big Happy” photo booth to talk about what makes them happy, and then Ellen did something that makes her happy. She scared them!

  • 09:47 Magnetism: Crash Course Physics #32

    Magnetism: Crash Course Physics #32

    422 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

  • 05:42 Liquid Nitrogen Super Cloud: 2X as BIG

    Liquid Nitrogen Super Cloud: 2X as BIG

    173 views / 0 likes - added

    JORDAN’s CHANNEL: https://www.youtube.com/JordanMaron JORDANS LIQ NITRO VID: https://youtu.be/t6QCTjuWygI SUBSCRIBE: https://www.youtube.com/nickipedia SHARE THIS VIDEO: https://youtu.be/hXfTNCu0J_o Never let 30 liters of Liquid Nitrogen go to waste! I wa

  • 09:56 The Golden Age of Hollywood: Crash Course Film History #11

    The Golden Age of Hollywood: Crash Course Film History #11

    236 views / 0 likes - added

    It's time for the glitz and the glamour of big motion pictures that helped keep American spirits up during and after the Great Depression. Sound was a huge change to motion pictures, but there were still a few technological innovations to come, like color

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

    Sensation&Perception - Crash Course Psychology #5

    334 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.

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

    Producers: Crash Course Film Production #6

    216 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

  • 05:33 How Did the 80s Get Hair So Big?

    How Did the 80s Get Hair So Big?

    86 views / 0 likes - added

    The 80s was a decade full of neon leg warmers, power ballads, and big hair. But how did we get that big hair so bad it’s good? A little bit of teasing and a lot of chemistry. This week Ms. Beautyphile helps us tackle the science behind perms and crimping

  • 03:56 Big Bird Was Almost Onboard The Fatal Space Shuttle Challenger

    Big Bird Was Almost Onboard The Fatal Space Shuttle Challenger

    136 views / 0 likes - added

    On January 28, 1986, tragedy struck the Space Shuttle Challenger when it broke apart 73 seconds into the flight, killing all seven crew members onboard. In a bizarre turn of events, the disastrous flight almost included one of Sesame Street's most beloved

  • 08:59 Studying for Exams: Crash Course Study Skills #7

    Studying for Exams: Crash Course Study Skills #7

    175 views / 0 likes - added

    It turns out that saving all of your studying until after midnight on the night before your big exam is not actually a great way to prepare. Today, Thomas explains some test prep strategies that actually work. Crash Course is made with Adobe Creative Clou

  • 12:02 The Olympics, FIFA, and why we love sports: Crash Course Games #17

    The Olympics, FIFA, and why we love sports: Crash Course Games #17

    236 views / 1 likes - added

    Today, John Green is going to be your substitute teacher as we dive into the world of sports! Now “sports” is a pretty broad genre of game, we probably couldn’t even cover them in an entire series, but today we’re going to do our best to look at the origi

  • 05:10 Glow On: Crash Course Kids #20.2

    Glow On: Crash Course Kids #20.2

    345 views / 0 likes - added

    So, have you ever wondered why some stars are brighter than others? You might think it's because they're closer to us, but that's not the whole story? In this episode of Crash Course Kids, Sabrina chats about how stars glow and how astronomers judge their

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

    Spectra Interference: Crash Course Physics #40

    167 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

  • 09:42 The Lives of Nonvascular Plants: Alternation of Generations - Crash Course Biology #36

    The Lives of Nonvascular Plants: Alternation of Generations - Crash Course Biology #36

    397 views / 0 likes - added

    Hank introduces us to nonvascular plants - liverworts, hornworts&mosses - which have bizarre features, kooky habits, and strange sex lives. Nonvascular plants inherited their reproductive cycle from algae, but have perfected it to the point where it i

  • 10:35 The Physics of Music: Crash Course Physics #19

    The Physics of Music: Crash Course Physics #19

    303 views / 0 likes - added

    Get Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcourse-physics-mug Music plays a big part in many of our lives. Whether you just like to listen or you enjoy playing an instrument, music is powerful. So what is music? How does


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