Search Results: "Galaxies, Part 1: Crash Course Astronomy #38"

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

673 views / 0 likes - added 8 years ago

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
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Galaxies, Part 2: Crash Course Astronomy #39

659 views / 0 likes - added 8 years ago

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
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Urinary System, Part 1: Crash Course A&P #38

979 views / 1 likes - added 8 years ago

Even though you probably don't choose to spend a lot of time thinking about it, your pee is kind of a big deal. Today we're talking about the anatomy of your urinary system, and how your kidneys filter metabolic waste and balance salt and water concentrat
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Introduction to Astronomy: Crash Course Astronomy #1

714 views / 3 likes - added 9 years ago

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

606 views / 0 likes - added 8 years ago

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
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Four Spheres Part 1 (Geo And Bio): Crash Course Kids #6.1

1,558 views / 5 likes - added 8 years ago

In this episode of Crash Course Kids, Sabrina talks about two of the four spheres that make up our planet; The Geosphere and the Biosphere. What's in these spheres? How do they affect us? How do they fit into the puzzle that is Earth? All is contained wit
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Big Changes In The Big Apple: Crash Course Kids #38.1

769 views / 1 likes - added 8 years ago

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
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Digestive System, Part 1: Crash Course A&P #33

1,781 views / 5 likes - added 8 years ago

Nachos are delicious. And versatile because today they're also going to help us learn a thing or two about your digestive system. Nachos can provide us with energy and raw materials, by first ingesting something nutritious, propelling it through the alime
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Quantum Mechanics - Part 1: Crash Course Physics #43

697 views / 0 likes - added 7 years ago

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

886 views / 0 likes - added 9 years ago

•••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
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1984 by George Orwell, Part 1: Crash Course Literature 401

604 views / 1 likes - added 6 years ago

In which John Green returns for a dystopian new season of Crash Course Literature! We're starting with George Orwell's classic look at the totalitarian state that could be in post-war England. Winston Smith is under the eye of Big Brother, and making us t
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A Brief History Of The Universe: Crash Course Astronomy #44

941 views / 0 likes - added 8 years ago

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
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The Nervous System, Part 1: Crash Course A&P #8

1,167 views / 1 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO: Kerry FROM: Cale I love you with all my ha-art. Deadset. *** 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 aff
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Dark Matter: Crash Course Astronomy #41

612 views / 1 likes - added 8 years ago

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

715 views / 0 likes - added 6 years ago

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

799 views / 1 likes - added 8 years ago

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
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The Adventures Of Huckleberry Finn Part 1: Crash Course Literature #302

521 views / 1 likes - added 7 years ago

In which John Green teaches you about Mark Twain's The Adventures of Huckleberry Finn. This week, we'll talk a little bit about Samuel Langhorne Clemens, who wrote under the name Mark Twain, and how he mined his early life for decades to produce his prett
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The Integumentary System, Part 1 - Skin Deep: Crash Course A&P #6

854 views / 0 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO: Ciaran FROM: your sister Jillian Happy birthday! Hope you enjoy being immortalized via doobly-doo! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with ev
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100 Years of Solitude Part 1: Crash Course Literature 306

630 views / 1 likes - added 7 years ago

Our first of two episodes about Gabriel Garcia Marquez's novel, 100 Years of Solitude. This week, we're looking at the Buendia family, and their many generations of people with the same names. We'll also look at the fascinating way the author thinks about
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Respiratory System, Part 1: Crash Course A&P #31

1,240 views / 2 likes - added 8 years ago

So we all know that breathing is pretty important, right? Today we're going to talk about how it works, starting with the nameless evolutionary ancestor that we inherited this from, and continuing to the mechanics of both simple diffusion and bulk flow, a
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Muscles, Part 1 - Muscle Cells: Crash Course A&P #21

1,271 views / 2 likes - added 8 years ago

We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting and releasing in a process called the sliding filament m
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Immune System, Part 1: Crash Course A&P #45

1,238 views / 2 likes - added 8 years ago

Our final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy -- your immune system. The immune system’s responses begin with physical barriers like skin and mucous membranes, and when they’
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The Milky Way: Crash Course Astronomy #37

768 views / 0 likes - added 8 years ago

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
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Black Holes: Crash Course Astronomy #33

927 views / 3 likes - added 8 years ago

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
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Metabolism & Nutrition, Part 1: Crash Course A&P #36

1,092 views / 0 likes - added 8 years ago

Metabolism is a complex process that has a lot more going on than personal trainers and commercials might have you believe. Today we are exploring some of its key parts, including vital nutrients -- such as water, vitamins, minerals, carbs, fats, and prot
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The Heart, Part 1 - Under Pressure: Crash Course A&P #25

1,308 views / 0 likes - added 8 years ago

Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works. The heart’s ventricles, atria, and valves create a pump that maintains both high and low pressure to circulate blood from th
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The Big Bang: Crash Course Astronomy #42

933 views / 0 likes - added 8 years ago

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
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Endocrine System, Part 1 - Glands & Hormones: Crash Course A&P #23

1,927 views / 0 likes - added 8 years ago

Hank begins teaching you about your endocrine system by explaining how it uses glands to produce hormones. These hormones are either amino-acid based and water soluble, or steroidal and lipid-soluble, and may target many types of cells or just turn on spe
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Blood Vessels, Part 1 - Form And Function: Crash Course A&P #27

1,393 views / 0 likes - added 8 years ago

Now that we've discussed blood, we're beginning our look at how it gets around your body. Today Hank explains your blood vessels and their basic three-layer structure of your blood vessels. We're also going over how those structures differ slightly in dif
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Moon Phases: Crash Course Astronomy #4

1,943 views / 6 likes - added 9 years ago

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
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Geometric Optics: Crash Course Physics #38

531 views / 0 likes - added 7 years ago

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
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Neutron Stars: Crash Course Astronomy #32

774 views / 1 likes - added 8 years ago

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
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Social Influence: Crash Course Psychology #38

763 views / 0 likes - added 9 years ago

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.
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World War II Part 1: Crash Course US History #35

1,477 views / 6 likes - added 9 years ago

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
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Ecology: Crash Course History of Science #38

338 views / 0 likes - added 4 years ago

Weve explored the origins of modern biology, the earth sciences, and even the sciences of outer space. Now its time to put these disciplines together. It's Ecology time!!!***Crash Course is on Patreon! You can support us directly by signing up at http://w
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Aristotle & Virtue Theory: Crash Course Philosophy #38

1,025 views / 0 likes - added 7 years ago

This week we explore final ethical theory in this unit: Aristotle’s virtue theory. Hank explains the Golden Mean, and how it exists as the midpoint between vices of excess and deficiency. We’ll also discuss moral exemplars, and introduce the concept of “e
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Psychology of Computing: Crash Course Computer Science #38

639 views / 0 likes - added 6 years ago

We’ve spent most of this series talking about computers. Which makes sense - this is Crash Course COMPUTER SCIENCE after all. But at their core computers are tools employed by humans and humans are pretty complicated. So today, we’re going to discuss some
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Deep Time: Crash Course Astronomy #45

722 views / 0 likes - added 8 years ago

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
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Binary And Multiple Stars: Crash Course Astronomy #34

728 views / 0 likes - added 8 years ago

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
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Low Mass Stars: Crash Course Astronomy #29

891 views / 0 likes - added 8 years ago

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
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Introduction to the Solar System: Crash Course Astronomy #9

976 views / 1 likes - added 9 years ago

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
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How Voters Decide: Crash Course Government And Politics #38

719 views / 0 likes - added 8 years ago

So today, Craig is going to try to get inside the heads of voters by discussing how voters make decisions. Now obviously, like all decision making, voter decisions are influenced by a multitude of factors, but the three we are going to focus on today (and
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The New Astronomy: Crash Course History of Science #13

324 views / 0 likes - added 4 years ago

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
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Blood, Part 1 - True Blood: Crash Course A&P #29

1,804 views / 0 likes - added 8 years ago

Now that we've talked about your blood vessels, we're going to zoom in a little closer and talk about your blood itself. We'll start by outlining the basic components of blood -- including erythrocytes, leukocytes, platelets, and plasma -- as well as the
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Nebulae: Crash Course Astronomy #36

595 views / 2 likes - added 8 years ago

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
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Star Clusters: Crash Course Astronomy #35

564 views / 0 likes - added 8 years ago

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.
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Naked Eye Observations: Crash Course Astronomy #2

664 views / 0 likes - added 9 years ago

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
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Intro to Big Data: Crash Course Statistics #38

394 views / 0 likes - added 4 years ago

Today, we're going to begin our discussion of Big Data. Everything from which videos we click (and how long we watch them) on YouTube to our likes on Facebook say a lot about us - and increasingly more and more sophisticated algorithms are being designed
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The Cold War in Asia: Crash Course US History #38

945 views / 1 likes - added 9 years ago

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
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Comets: Crash Course Astronomy #21

729 views / 0 likes - added 8 years ago

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
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High Mass Stars: Crash Course Astronomy #31

959 views / 1 likes - added 8 years ago

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,
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Asteroids: Crash Course Astronomy #20

717 views / 1 likes - added 8 years ago

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,
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Distances: Crash Course Astronomy #25

643 views / 2 likes - added 8 years ago

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
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Light: Crash Course Astronomy #24

1,646 views / 0 likes - added 8 years ago

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
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World War II: Crash Course European History #38

486 views / 2 likes - added 4 years ago

Only a couple of decades after the end of the First World War--which was supposed to be the War that Ended All Wars--another, bigger, farther-flung, more destructive, and deadlier war began. Today, you'll learn about how the war in Europe progressed, from
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Gamma-Ray Bursts: Crash Course Astronomy #40

766 views / 1 likes - added 8 years ago

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
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Tides: Crash Course Astronomy #8

1,083 views / 1 likes - added 9 years ago

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
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Eclipses: Crash Course Astronomy #5

830 views / 0 likes - added 9 years ago

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
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Cycles in the Sky: Crash Course Astronomy #3

623 views / 0 likes - added 9 years ago

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
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Mars: Crash Course Astronomy #15

880 views / 3 likes - added 8 years ago

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
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Telescopes: Crash Course Astronomy #6

666 views / 0 likes - added 9 years ago

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
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Where Do Galaxies Come From?

823 views / 1 likes - added 7 years ago

Thanks to the Space Telescope Science Institute (STScI) and NASA’s James Webb Space Telescope for supporting this video! In particular, thanks to Dan Coe of STScI for taking the time to chat with me about what we do and don’t know about baby galaxies and
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Gotta Eat! - Crash Course Kids 1.1

1,168 views / 2 likes - added 8 years ago

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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Stars: Crash Course Astronomy #26

639 views / 0 likes - added 8 years ago

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
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Saturn: Crash Course Astronomy #18

1,022 views / 6 likes - added 8 years ago

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
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Changing the Blueprints of Life - Genetic Engineering: Crash Course Engineering #38

333 views / 0 likes - added 4 years ago

Can we change the blueprints of life? This week we are exploring that question with genetic engineering. Well discuss how selective breeding can improve agricultural practices, and the potential DNA-level engineering could have on other fields of engineer
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The Sun: Crash Course Astronomy #10

794 views / 2 likes - added 9 years ago

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
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The Gravity of the Situation: Crash Course Astronomy #7

759 views / 0 likes - added 9 years ago

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
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The Earth: Crash Course Astronomy #11

877 views / 0 likes - added 9 years ago

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
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Don't Reanimate Corpses! Frankenstein Part 1: Crash Course Literature 205

1,018 views / 2 likes - added 9 years ago

In which John Green teaches you about Mary Shelley's novel, Frankenstein. Sure, you know Frankenstein the cultural phenomenon, but how much do you know about the novel that started it all? You'll learn about the Romantic movement in English lit, of which
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Brown Dwarfs: Crash Course Astronomy #28

655 views / 0 likes - added 8 years ago

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
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Jupiter: Crash Course Astronomy #16

1,279 views / 5 likes - added 8 years ago

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
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Mercury: Crash Course Astronomy #13

1,267 views / 9 likes - added 9 years ago

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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Uranus & Neptune: Crash Course Astronomy #19

2,224 views / 13 likes - added 8 years ago

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
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Venus: Crash Course Astronomy #14

1,101 views / 5 likes - added 8 years ago

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
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Nuclear Chemistry: Crash Course Chemistry #38

743 views / 0 likes - added 9 years ago

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.
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The Oort Cloud: Crash Course Astronomy #22

691 views / 0 likes - added 8 years ago

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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Exoplanets: Crash Course Astronomy #27

596 views / 1 likes - added 8 years ago

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

803 views / 1 likes - added 8 years ago

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
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Meteors: Crash Course Astronomy #23

633 views / 2 likes - added 8 years ago

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
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Jupiter's Moons: Crash Course Astronomy #17

802 views / 1 likes - added 8 years ago

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
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White Dwarfs & Planetary Nebulae: Crash Course Astronomy #30

509 views / 0 likes - added 8 years ago

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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What Really Happens When Galaxies Collide

454 views / 0 likes - added 6 years ago

The Milky Way is on a crash course with the Andromeda galaxy, but what would a galactic collision actually look like? What Happens When Galaxies Die? - https://youtu.be/wWvJVE5nio4 Read More: Astronomers Predict Titanic Collision: Milky Way vs. Andromeda
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Skylanders: Trap Team - Skyhighlands - Part 38

783 views / 0 likes - added 8 years ago

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 - http://stampy.spreadshirt.co.uk US Sho
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IIT JEE Hairy Trig and Algebra (part 1)

706 views / 0 likes - added 9 years ago

2010 Paper 1 problem 38 Hairy Trig and Algebra.avi More free lessons at: http://www.khanacademy.org/video?v=dOxXl_6BDQc
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Are There Antimatter Galaxies?

577 views / 0 likes - added 7 years ago

One of the big mysteries in astronomy is what happened to all the antimatter? Is it possible that it’s actually still out there, in huge antimatter galaxies? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com
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This Massive Wall of Galaxies Is Lurking Beyond the Milky Way

589 views / 2 likes - added 3 years ago

Cosmographers recently revealed a massive wall of galaxies lurking shockingly close by. But why was it hidden from our view for so long? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylist Visit our shop
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Why Are Most Galaxies Spiral-Shaped?

569 views / 0 likes - added 7 years ago

The structure of spiral galaxies is more complex than we thought. Here's how the laws of physics contribute to the shaping of galaxies. Everything We Know About The Andromeda Galaxy - http://bit.ly/2blkOkG Sign Up For The Seeker Newsletter Here - http://b
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Why Do Galaxies Rotate?

278 views / 0 likes - added 4 years ago

If you believe the worlds leading physicists, the vast majority of matter in the universe is hiding in plain sight. For nearly a century, evidence has mounted that the gravitational pull necessary to keep clusters of galaxies intact, as well as stars with
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World War II: Crash Course World History #38

1,547 views / 4 likes - added 9 years ago

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. In which John Green teaches you about World War II, aka The Great Patriotic War, aka The Big One. So how did this war happen? And wha
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Imaginary Numbers Are Real [Part 1: Introduction]

1,537 views / 1 likes - added 7 years ago

More information and resources: http://www.welchlabs.com Imaginary numbers are not some wild invention, they are the deep and natural result of extending our number system. Imaginary numbers are all about the discovery of numbers existing not in one dimen
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What Happens When Galaxies Die?

969 views / 1 likes - added 7 years ago

About half of the galaxies in our universe are dead, but how exactly did that happen? How do galaxies die? Why Are Most Galaxies Spiral Shaped? - https://youtu.be/aIUu5uMKB70 Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Get 15% off http:
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The Great Escape: Crash Course Kids #13.1

1,235 views / 2 likes - added 8 years ago

Do you know how many people have been to the moon? Only 12! Part of the reason it's so few is because of how difficult it is to escape Earth and get into space in the first place. In this episode of Crash Course Kids, Sabrina talks about gravity, escape v
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Hubble Image of Galaxies

577 views / 0 likes - added 9 years ago

Hubble Image of Galaxies More free lessons at: http://www.khanacademy.org/video?v=Wl4re38deh0
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IIT JEE Complex Numbers (part 1)

796 views / 0 likes - added 9 years ago

2010 IIT JEE Paper 1 Problem 39 Complex Numbers (part 1) More free lessons at: http://www.khanacademy.org/video?v=_5ei_I02huY
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These synchronized galaxies are upending what we know about the universe

405 views / 0 likes - added 6 years ago

Tiny satellite galaxies around Centaurus A seem to be moving in the same direction. Read more - http://scim.ag/2BN2jxu
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IIT JEE Perpendicular Planes (Part 1)

826 views / 1 likes - added 9 years ago

2010 IIT JEE Paper 1 #30 normal vector and planes (Part 1) More free lessons at: http://www.khanacademy.org/video?v=2u535-HVJ_o
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IIT JEE Complex Root Probability (part 1)

697 views / 0 likes - added 9 years ago

2010 Paper 1 problem 31 Math (part 1) More free lessons at: http://www.khanacademy.org/video?v=bV_HSZ_W0nk
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Quantum Mechanics - Part 2: Crash Course Physics #44

602 views / 0 likes - added 7 years ago

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

1,034 views / 0 likes - added 8 years ago

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
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Who Needs Dirt?: Crash Course Kids #27.1

1,603 views / 2 likes - added 8 years ago

So... do plants need dirt? The truth might shock you. In this episode of Crash Course kids, Sabrina talks about how plants get energy and how that energy is transported around them. Also, she talks about dirt. Watch More Crash Course Kids: https://www.you
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Everything Revolves Around You: Crash Course Kids #22.1

937 views / 1 likes - added 8 years ago

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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Scientists Just Discovered 300,000 New Hidden Galaxies

425 views / 0 likes - added 4 years ago

Have you ever gazed out at the night sky and been fascinated by a bright band of stars? Thats the Milky Way - the galaxy where our sun hangs out. And the sun is not the only star in the Milky Way, and the Milky Way is not the only galaxy in the universe.
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Life On Other Planets: Crash Course Kids #45.1

1,036 views / 0 likes - added 8 years ago

Have you ever wondered if there is anyone (or anything) else out there in the universe? Well, you're not alone. But what would alien life look like? And what would their food chains and food webs look like? In this episode of Crash Course Kids, Sabrina gi
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Gravitational Lensing: What It Is And How It Is Helping Us Discover New Galaxies

128 views / 1 likes - added 1 year ago

Gravitational lensing occurs when a huge amount of matter, like a star, galaxy, or cluster of galaxies, creates a powerful gravitational field around it, strong enough to bend the light coming from distant galaxies (behind them). Roots of gravitational le
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Here Comes The Sun: Crash Course Kids #5.1

1,972 views / 7 likes - added 8 years ago

Updated with fix. Thanks for pointing that out!!! :) Every hear of "Sol"? Sure you have! It's our Sun! It sits at the center of our 8 planet solar system, providing us with heat and light. But how does that energy get to us? In this episode of Crash Cours
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Respiratory System, Part 2: Crash Course A&P #32

1,164 views / 1 likes - added 8 years ago

Can a paper bag really help you when you are hyperventilating? It turns out that it can. In part 2 of our look at your respiratory system Hank explains how your blood cells exchange oxygen and CO2 to maintain homeostasis. We'll dive into partial pressure
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French Revolution (Part 1)

798 views / 1 likes - added 9 years ago

Part 1 of the French Revolution. From the Convocation of the Estates General to the storming of the Bastille More free lessons at: http://www.khanacademy.org/video?v=BDWqwcTtZa0
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The Robot Challenge: Crash Course Kids #47.1

715 views / 0 likes - added 8 years ago

Robots! They're everywhere. We use them for all kinds of things that we can't, or don't want to do. In this episode of Crash Course Kids, Sabrina shares a problem with us that can probably be solved by building an awesome robot. So let's take the robot ch
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What's An Engineer? Crash Course Kids #12.1

1,395 views / 3 likes - added 8 years ago

You've heard of Engineers, I'm sure. But, what are Engineers? Well, it turns out that they're all kinds of people doing all kinds of neat work! Want to be one? Well, join Sabrina in this episode of Crash Course Kids where she talks about what they do and
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Endocrine System, Part 2 - Hormone Cascades: Crash Course A&P #24

889 views / 0 likes - added 8 years ago

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
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What Is A Game?: Crash Course Games #1

818 views / 1 likes - added 8 years ago

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
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Faster Than Light Galaxies | HOW IS IT POSSIBLE?

286 views / 0 likes - added 3 years ago

I look at the galaxies that are moving away from us faster than light because of expanding space. Check out this video's sponsor https://brilliant.org/dosNinety seven percent of the galaxies in the observable universe are moving away from us faster than t
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Feed Me: Classifying Organisms - Crash Course Kids #1.2

2,051 views / 5 likes - added 8 years ago

FEED ME! In this episode of Crash Course Kids, Sabrina has a chat with us about what living things eat to get energy. What makes something an omnivore, or a carnivore, or an herbivore? And how do plants fit in to all of this? This first series is based on
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Digestive System, Part 3: Crash Course A&P #35

916 views / 1 likes - added 8 years ago

Nachos are great...if you are among the lucky ones whose body can digest them. When digestion goes according to plan, the small intestine performs most of your chemical digestion in the duodenum, while accessory organs including the liver, gallbladder, an
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Resources: Welcome To The Neighborhood - Crash Course Kids #2.1

1,639 views / 8 likes - added 8 years ago

Welcome to the Neighborhood! Humans need a lot of things to survive (I'm sure you've noticed). We need food, water, and shelter and it takes a lot of resources to get all of those things. What are resources? In this episode of Crash Course Kids, Sabrina t
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Screenplays: Crash Course Film Production #1

591 views / 0 likes - added 6 years ago

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
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100 Years of Solitude Part 2: Crash Course Literature 307

583 views / 0 likes - added 7 years ago

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
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Defining A Problem: Crash Course Kids #18.1

1,493 views / 0 likes - added 8 years ago

So, how do engineers even figure out what problem needs to get fixed? And what's the difference between identifying a problem and just complaining about something. In this episode of Crash Course Kids, Sabrina talks about how we can all be better Engineer
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Spaced Out: Crash Course Kids #25.1

747 views / 2 likes - added 8 years ago

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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World Cinema - Part 2: Crash Course Film History #15

566 views / 0 likes - added 6 years ago

Africa, the Middle East, and South America have their own vibrant film communities and filmmakers. From social and political commentary to experimental films, these regions have made some very important pieces of cinema over the last century. In this epis
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Intro To Economics: Crash Course Econ #1

909 views / 1 likes - added 8 years ago

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
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Defining Gravity: Crash Course Kids #4.1

1,956 views / 7 likes - added 8 years ago

So, if gravity pulls everything down, then why don't things on the bottom of the Earth get pulled down into space? In this episode of Crash Course Kids, Sabrina talks about gravity and explains that when we talk about gravity pulling things down, what we
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Frankenstein Part II: Crash Course Literature 206

665 views / 0 likes - added 9 years ago

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
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What On Earth: Crash Course Kids #10.1

1,283 views / 2 likes - added 8 years ago

We've already talked about how the Earth is divided into four spheres (The Hydrosphere, the Biosphere, the Geosphere, and the Atmosphere). But, how do these different sphere interact with each other? In this episode of Crash Course Kids, Sabrina chats wit
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Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 - Crash Course Ecology #9

1,846 views / 1 likes - added 8 years ago

Hank describes the desperate need many organisms have for nutrients (specifically nitrogen and phosphorus) and how they go about getting them via the nitrogen and phosphorus cycles. Like Crash Course! http://www.facebook.com/YouTubeCrashCourse Follow Cras
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Four Spheres Part 2 (Hydro And Atmo): Crash Course Kids #6.2

1,340 views / 1 likes - added 8 years ago

The second part of our two part tale of the puzzle that is Earth. In this episode, Sabrina talks about the Hydrosphere and the Atmosphere and what is contained in each one. Let's dive in!!! This first series is based on 5th grade science. We're super exci
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Immune System, Part 3: Crash Course A&P #47

855 views / 0 likes - added 8 years ago

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
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Weather Vs. Climate: Crash Course Kids #28.1

2,277 views / 5 likes - added 8 years ago

So we have Weather and Climate... but are they the same thing? No, no they are not. But they are both super important to how the geosphere is shaped. In this episode of Crash Course Kids, Sabrina chats with us about the differences between Weather and Cli
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2003 AIME II Problem 4 (part 1)

676 views / 0 likes - added 9 years ago

2003 AIME II Problem 4 (part 1) More free lessons at: http://www.khanacademy.org/video?v=gXnHodHNusg
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Early Computing: Crash Course Computer Science #1

810 views / 0 likes - added 7 years ago

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
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Water Fight!: Crash Course Kids #36.1

1,462 views / 1 likes - added 8 years ago

So, what happens when there's not enough water? Well... not good things. Do we let homes have more water for showering and cooking? Or do we let farms have the water for growing crops? There aren't any easy solutions, but today Sabrina chats with us about
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What's Matter? - Crash Course Kids #3.1

3,031 views / 12 likes - added 8 years ago

Hey... what's matter? No no no, not what's THE matter. What's MATTER? In this episode of Crash Course Kids, Sabrina talks about what matter is and the three states of matter: Solid, Liquid, and Gas. She also does a quick experiment that you can do at home
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The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P #7

750 views / 0 likes - added 9 years ago

•••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
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Fabulous Food Chains: Crash Course Kids #7.1

1,406 views / 4 likes - added 8 years ago

Everyone eats, right? But how does that food get the energy to power you? In this episode of Crash Course Kids, Sabrina talks about the way energy moves, or flows, through an ecosystem and how that movement forms Food Chains! This first series is based on
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Danger! Falling Objects: Crash Course Kids #32.1

1,311 views / 1 likes - added 8 years ago

So, what would happen if you dropped a hammer and a feather at the same time, from the same height? Well, the hammer would hit the ground first, right? But why? You might think it's because the hammer is heavier, or has more mass than the feather. But it'
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Got Some Solutions?: Crash Course Kids #26.1

1,180 views / 0 likes - added 8 years ago

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

1,144 views / 0 likes - added 9 years ago

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

848 views / 0 likes - added 9 years ago

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.
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Best Funny Husky Puppies Video Compilation 2016 (Part 1)

2,571 views / 28 likes - added 7 years ago

Best Funny Husky Puppies Video Compilation 2016 (Part 1) LOVE PET REMEMBRANCE FRAME:http://bit.ly/2gpGrTf
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That's Why Carbon Is A Tramp: Crash Course Biology #1

1,427 views / 0 likes - added 9 years ago

And thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orbitals, the octet rule, and what does it all have to do with a mad man named Gilbert Lewis? It's all containe
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What Is Myth? Crash Course Mythology #1

964 views / 4 likes - added 7 years ago

Welcome to Crash Course World Mythology, our latest adventure (and this series may be literally adventurous) in education. Over the next 40 episodes or so, we and Mike Rugnetta are going to learn about the world by looking at the foundational stories of a
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Part(icles) Of Your World: Crash Course Kids #3.2

4,666 views / 6 likes - added 8 years ago

Have you ever heard the phrase, "You look like a Million Bucks?" Well, you do... but you also look like a million particles. In this episode, Sabrina talks to us about matter and particles and that all matter is made up of particles. Also, she shows us ho
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Proof (Part 1) Minimizing Squared Error to Regression Line

671 views / 0 likes - added 9 years ago

Proof (Part 1) Minimizing Squared Error to Regression Line More free lessons at: http://www.khanacademy.org/video?v=mIx2Oj5y9Q8
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Organizing Properties: Crash Course Kids #35.1

750 views / 1 likes - added 8 years ago

Have you ever thought about all the different kinds of groups you’re a part of? Like, there’s the friends you hang out with and your family, your hockey team, your Crash Course fan club, and that’s just for starters! And even though these groups are total
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Living Things Change: Crash Course Kids #41.1

1,307 views / 3 likes - added 8 years ago

Have you ever heard of the Peppered Moth? It's a great example of how living things can change because their environment has changed. And it's not just them! There used to be giant insects roaming the world, but they got smaller through time because their
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Muscles, Part 2 - Organismal Level: Crash Course A&P #22

1,372 views / 1 likes - added 8 years ago

Hank calls in a friend to do his push ups for him today to explain how skeletal muscles work together to create and reverse movements. Hank and Claire also demonstrate the role size plays in motor units, the three phase cycle of muscle twitches, and how t
What is an Animal? Crash Course Zoology #1

198 views / 1 likes - added 2 years ago

Check out Animal IQ on PBS Terra! https://youtu.be/Ejhbr_t7BlcSo what is an animal anyway? In our inaugural episode of Crash Course Zoology, well endeavor to answer just that because as it turns out, its complicated! But before we get there well need to i
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The Fundamentals Of Space-time: Part 1 - Andrew Pontzen And Tom Whyntie

1,023 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-fundamentals-of-space-time-part-1-andrew-pontzen-and-tom-whyntie View part 2: http://ed.ted.com/lessons/the-fundamentals-of-space-time-part-2-andrew-pontzen-and-tom-whyntie View part 3 here: http://ed.ted.co
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This Theory Suggests Our Perspective of Galaxies Could Be Wrong

362 views / 0 likes - added 5 years ago

Our perspective from Earth could be distorting our understanding of space. Here’s what you need to know about the theory of AGN unification. What Really Happens When Galaxies Collide - https://youtu.be/eWqETkudZXo Read More: Why It’s Hard to Recognize a B
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Succeed By Failing: Crash Course Kids #42.1

864 views / 0 likes - added 8 years ago

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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What Is Artificial Intelligence? Crash Course AI #1

276 views / 0 likes - added 4 years ago

Artificial intelligence is everywhere and it's already making a huge impact on our lives. It's autocompleting texts on our cellphones, telling us which videos to watch on YouTube, beating us at video games, recognizing us in photos, ordering products in s
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The Great Aqua Adventure: Crash Course Kids #24.1

879 views / 3 likes - added 8 years ago

Water travels... a lot. In fact, the water cycle is amazing and takes water all over the planet by using evaporation, condensation, and precipitation. In this episode of Crash Course Kids, Sabrina shows us how the water cycle works and how you can create
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Movies are Magic: Crash Course Film History #1

732 views / 0 likes - added 7 years ago

Well, they're not really "magic." Maybe "illusion" is a better way to say it. As we begin this journey of the history of cinema, we need to understand how movies trick our brains into even understanding that a movie is a movie. In this episode of Crash Co
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Current Events: Crash Course Kids #34.1

1,245 views / 2 likes - added 8 years ago

What are air currents? Air currents are like rivers of wind caused by areas of high and low pressure.The air above the land is warmer and less dense, so it rises. The air over the water is cooler and heavier. The cool air rushes in toward the low-pressure
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Citizen Kane: Crash Course Film Criticism #1

557 views / 0 likes - added 6 years ago

Try CuriosityStream today: http://curiositystream.com/crashcourse and use the promo code "crashcourse" to get the first two months free! Is Citizen Kane the BEST MOVIE EVER MADE? Is that even an answerable question? Michael Aranda will try to help us thro
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The Great Picnic Mix Up: Crash Course Kids #19.1

1,801 views / 1 likes - added 8 years ago

So you know that iced tea you like so much? Or that sweet soda drink? They're actually a few different things combined to make a new thing. In this episode of Crash Course Kids, Sabrina talks about all the different mixtures, solutions, and ants that can
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Metabolism & Nutrition, Part 2: Crash Course Anatomy & Physiology #37

1,599 views / 0 likes - added 8 years ago

If you're like us, you love the sound of a brunch buffet. But not everything you eat at that glorious buffet is going to be turned into energy. Your body has to work with different forms of food in different ways. In this episode of Crash Course Anatomy &
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Singapore Math: Grade 3a, Unit 1 (part 1)

490 views / 0 likes - added 9 years ago

Objectives: Read and write numbers less than 10,000. Relate each 4-digit number to its place value.
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SEASON 1 BEST BITS! Part 2 | Gumball 1-Hour Compilation | Cartoon Network

118 views / 0 likes - added 6 months ago

Click to watch more of The Amazing World of Gumball - https://www.youtube.com/watch?v=Fu2BjEH4u84&list=PL77ED97B132C66551Gumball, the amusing blue cat with a giant head and his best buddy Darwin, a pet goldfish who sprouted legs, step up the hilarity and
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Bowled Over - Isolating Variables: Crash Course Kids #39.1

771 views / 0 likes - added 8 years ago

So, variables. There are lots of them when trying to test an idea. The trick is to isolate one variable at a time to get reliable results every time. But, how do we do that? In this episode of Crash Course Kids, Sabrina shows us how to isolate variables a
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Digestive System, Part 2: Crash Course A&P #34

1,632 views / 1 likes - added 8 years ago

Nearly 200 years ago, Alexis St. Martin was shot in the stomach. He was saved by local army doctor William Beaumont, but had to live out his remaining years with a gaping hole in the stomach -- allowing Beaumont to learn a lot about how human digestion wo
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Let's Build A City: Crash Course Kids #48.1

799 views / 3 likes - added 8 years ago

So, we've built a lot of things over the last year and we've become awesome engineers in the process. But now it's time for a real challenge. Let's build a city! That's right, you heard me! In this episode, Sabrina shows us what we need to think about whe
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Motion In A Straight Line: Crash Course Physics #1

1,678 views / 1 likes - added 8 years ago

In this, THE FIRST EPISODE of Crash Course Physics, your host Dr. Shini Somara introduces us to the ideas of motion in a straight line. She talks about displacement, acceleration, time, velocity, and the definition of acceleration. Also, how does a physic
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Tissues, Part 2 - Epithelial Tissue: Crash Course A&P #3

1,538 views / 0 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO : Phoebe and James McMullan FROM : Dad Continue being awesome Phoebe&James from John&Hank! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
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Introduction To Intellectual Property: Crash Course IP 1

816 views / 0 likes - added 8 years ago

This week, Stan Muller launches the Crash Course Intellectual Property mini-series. So, what is intellectual property, and why are we teaching it? Well, intellectual property is about ideas and their ownership, and it's basically about the rights of creat
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Landforms, Hey!: Crash Course Kids #17.1

1,893 views / 8 likes - added 8 years ago

If you look out your window, you'll probably notice a bunch of things; houses, streets... hopefully a tree. But beyond that you'll see things like mountains, rivers, volcanoes... well, hopefully not a volcano. These are landforms and they come in differen
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The Nervous System, Part 3 - Synapses!: Crash Course A&P #10

1,413 views / 0 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO: NerdFighteria FROM: Dave at DTXC.CO Cycling t-shirts at DTXC.CO. Don't give up the Road! DFTBA! *** Subbable Co-Sponsors: Logan Sanders https://www.facebook.com/perrylogans Dr. Boyev http://youtube.com/taichiknees *** You can di
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Weather In Space (the Rocky Planets): Crash Course Kids #43.1

942 views / 4 likes - added 8 years ago

Do other planets have weather? It turns out that, yes, they do! But, the weather isn't all the same on other planets because of things like atmosphere. In this episode of Crash Course Kids, Sabrina takes us on a tour of the weather on the rocky planets in
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Designing A Trial: Crash Course Kids #44.1

859 views / 1 likes - added 8 years ago

It's time to design some trials. Sometimes engineers need to figure out how to test ideas. In order to do that, we need to design trials to find failure points and see how things are going to work in the real world (with gravity, wind, and human error all
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The Basics Of Freshwater: Crash Course Kids 14.1

1,958 views / 6 likes - added 8 years ago

We have a lot of water on Earth, but we also can't actually drink much of it... or use it for farming. That's because most of the water on Earth is saltwater. We humans, like a lot of living things, need freshwater to survive. In this episode of Crash Cou
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Let's Take A Hike: Crash Course Kids #30.1

910 views / 2 likes - added 8 years ago

Today we're going to take a hike up Mt. Kilimanjaro so we can talk about how the geosphere changes based on many different things. On the same mountain we can travel through many different habitats like rain forests, savannas, and moorlands. Let's take a
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Alice Through The Looking Glass - Part 1 | Story Time With Ms. Booksy At Cool School

1,014 views / 3 likes - added 7 years ago

Ms Booksy's adventures with Alice continue in a whole new world - through the looking glass - where everything is backwards! Watch Looking Glass Pt 2 here: https://www.youtube.com/watch?v=2uUOvDUBf5c Watch Alice in Wonderland Part 8: http://bit.ly/1o3QM5Q
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Blood Vessels, Part 2: Crash Course A&P #28

1,464 views / 0 likes - added 8 years ago

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
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Material World: Crash Course Kids #40.1

1,437 views / 0 likes - added 8 years ago

So, we know what materials are, but can we make new materials? Or improve the materials we already have? In this episode of Crash Course Kids, Sabrina shows us how Material Scientists are working on these two things today. Also, your cell phone holds the
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What We Can Learn From Galaxies Far, Far Away - Henry Lin

690 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-we-can-learn-from-galaxies-far-far-away-henry-lin In a fun, excited talk, teenager Henry Lin looks at something unexpected in the sky: galaxy clusters. By studying the properties of the universe's largest p
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Hunting For Properties: Crash Course Kids #9.1

785 views / 1 likes - added 8 years ago

Remember pre-school? If not, IT WAS SO MUCH EASIER! But when you were stacking blocks and figuring out which block went into which shaped hole, you were learning about properties. In this episode of Crash Course Kids, Sabrina talks about what properties a
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Seasons And The Sun: Crash Course Kids 11.1

2,236 views / 1 likes - added 8 years ago

Updated with graphics fixed. Thanks for pointing that out! Ever wonder why we have seasons? A lot of people think it's because the Earth gets further away from the sun in winter, and closer in the summer. But, it's actually more interesting than that. In
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Taking Notes: Crash Course Study Skills #1

816 views / 0 likes - added 6 years ago

The first step in honing your new study skills is to take better notes. This week Thomas will tell you everything you need to know to come to class prepared and find a note-taking system that will help you retain and review like a champ. Resources: Study
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Super Stars (Constellations): Crash Course Kids #31.1

1,271 views / 0 likes - added 8 years ago

So, you know about stars. But what if those stars formed a super group like The Avengers? Well, then you have a Constellation! In this episode of Crash Course Kids, Sabrina chats about stars, constellations, and how humans have used constellations to tell
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Urinary System, Part 2: Crash Course A&P #39

1,620 views / 2 likes - added 8 years ago

As we promised last week, we're not quite done talking about your pee yet. Today Hank explains how the urinary system regulates the production of urine, by maintaining a study glomerular flow rate. He'll also cover the anatomy of storing and excreting uri
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H2O-NO! - Fresh Water Problems: Crash Course Kids #33.1

1,094 views / 2 likes - added 8 years ago

What happens to a single ecosystem when the amount of freshwater available in it changes? Not really much good. In this episode of Crash Course Kids, Sabrina talks about ecosystems and how one small change can lead to a cascade effect in the entire ecosys
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How and Why We Read: Crash Course English Literature #1

1,113 views / 2 likes - added 9 years ago

In which John Green kicks off the Crash Course Literature mini series with a reasonable set of questions. Why do we read? What's the point of reading critically. John will argue that reading is about effectively communicating with other people. Unlike a d
03:33 Popular
Land And Water: Crash Course Kids #16.1

1,210 views / 2 likes - added 8 years ago

Remember Sol, the closest star to Earth? We like to call it The Sun and we haven't talked about it in a little while. One interesting thing about the energy we get from the sun is that it's not absorbed the same way by different materials. In fact, even a
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Medieval Europe: Crash Course European History #1

737 views / 1 likes - added 4 years ago

Our European history is going to start around 1500 with the Renaissance, but believe it or not, that is not the actual beginning of history in the continent. So, today, we're going to teach you the broad outlines of the so-called Middle Ages, and look at
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Home Sweet Habitat: Crash Course Kids #21.1

1,099 views / 3 likes - added 8 years ago

How would a Polar Bear do if you put it in the desert? Not well. But why? Why can't anything live anywhere? Well, this has to do with Habitats and how animals (including humans) are suited for living in one place over another. In this episode, Sabrina tal
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The Agricultural Revolution: Crash Course World History #1

839 views / 0 likes - added 9 years ago

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

544 views / 0 likes - added 7 years ago

For the first time, scientists have found a new galaxy forming in cold gas! How else can galaxies form? Everything We Know About The Andromeda Galaxy - https://youtu.be/TrUq1F4ImXc Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More:
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Wood, Water, And Properties: Crash Course Kids #15.1

818 views / 1 likes - added 8 years ago

Quick, think of three words to describe yourself. TIME'S UP! What did you think of? Chances are you thought of descriptive words that we call Properties. In this episode of Crash Course Kids, Sabrina talks about how properties help us understand objects.
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Oobleck And Non-Newtonian Fluids: Crash Course Kids #46.1

1,036 views / 1 likes - added 8 years ago

Ever heard of Oobleck? How about Non-Newtonian fluids? Well, today Sabrina is going to show us that things can sometimes behave like a solid, and sometimes like a liquid depending on how much force is applied to them. In this episode of Crash Course Kids,
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Vacation Or Conservation (Of Mass): Crash Course Kids #23.1

4,165 views / 0 likes - added 8 years ago

So when water evaporates, what happens? Where does that water go? Does just vanish? Is it no more? Can matter every just go away? Well, the answer is no, it can't. But it can LOOK like it does. In this episode of Crash Course Kids, Sabrina shows us how Co
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Earth's Rotation & Revolution: Crash Course Kids 8.1

1,508 views / 1 likes - added 8 years ago

So, have you ever wondered why we have seasons? Or maybe where the sun goes when it's night time? *Hint: It doesn't actually go anywhere* In this episode of Crash Course Kids, Sabrina talks about the Earth's rotation and revolution and how these things co
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The Zodiac Constellations: Crash Course Kids #37.1

900 views / 2 likes - added 8 years ago

We've talked about constellations; groups of stars in the night sky that we assign names to. But there are a certain group of special constellations called The Zodiac that Sabrina is going to chat about. Gemini, Sagittarius, Scorpio? You've heard of them
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World War II Part 2 - The Homefront: Crash Course US History #36

1,436 views / 3 likes - added 9 years ago

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
10:34 Popular
Aliens, Time Travel, And Dresden -Slaughterhouse-Five Part I: Crash Course Literature 212

743 views / 2 likes - added 8 years ago

You can directly support Crash Course at https://www.patreon.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
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Blood, Part 2 - There Will Be Blood: Crash Course A&P #30

946 views / 0 likes - added 8 years ago

It's time to start talking about some of the terrible things you can do to your own body, like blood doping. We'll start by explaining the structure and function of your erythrocytes, and of hemoglobin, which they use to carry oxygen. We'll follow the for
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Tissues, Part 4 - Types of Connective Tissues: Crash Course A&P #5

1,590 views / 0 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO: the world. FROM: Laura Love Rathbun Learning is the best thing to do with your you! *** 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
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Part 1: How Does New Genetic Information Evolve? Point Mutations

919 views / 0 likes - added 5 years ago

Support Stated Clearly on Patreon: https://www.patreon.com/statedclearly This film is the first of a two part series on the evolution of new genetic information. Here we focus on Point Mutations - the simplest natural mechanisms known to increase the gene
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Brad Makes Chocolate in Ecuador: Part 1 | It's Alive | Bon Appétit

578 views / 1 likes - added 6 years ago

Bon Appétit Test Kitchen manager, Brad Leone, is back for episode 23 of “It’s Alive,” and this time he’s learning how to make chocolate. (Fermentation plays a key role in the chocolate making process!) Brad travels with Guittard Chocolate to visit a cacao
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Things Fall Apart, Part 2: Crash Course Literature 209

651 views / 0 likes - added 9 years ago

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
23:35 Popular
Broken Age: Act 2 - Tube Trouble - Part 1

733 views / 2 likes - added 8 years ago

Watch Act 1 - https://youtu.be/f41P6fDl9js Part 2 - https://youtu.be/_eJd6oEDqjk Welcome to my lets play on Broken Age Act 2. In this series I will be playing through the entire game with commentary. Website - http://www.brokenagegame.com Twitter - @stamp
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Minecraft: Xbox - Building Time - The Future! - Part 1 {45}

714 views / 1 likes - added 7 years ago

This is a 2 part special. See part 2 of the build on Friday. 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 a suggestion for a topic we can
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Algebra Basics: Solving Basic Equations Part 1 - Math Antics

2,530 views / 3 likes - added 8 years ago

Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Previous video: https://youtu.be/NybHckSEQBI Next video: https://youtu.be/Qyd_v3DGzTM This video shows students how to solve simple 1-st
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20:00 Popular
How To Draw A Realistic Horse (Part 1)

1,406 views / 2 likes - added 8 years ago

This how to draw a realistic horse lesson is the first in a three part series. Be sure to check back tomorrow for the second part! EMAIL A PHOTO OF YOUR ART: myart@artforkidshub.com MAIL US YOUR ART: Art for Kids Hub P.O. Box 927 Pleasant Grove, UT 84062

>> View galaxies part 1: crash astronomy #38 web videos