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11:17
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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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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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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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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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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How to See Quantum with the Naked Eye

548 views / 0 likes - added 6 years ago

How can you train yourself to be a quantum detector? Quantum interactions happen at impossibly small scales. But the life-size effects are all around you. You can detect quantum mechanics all over — if you know how to look for it. Subscribe: https://www.y
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See Subatomic Particles In Action With The Naked Eye | NOVA

1,064 views / 0 likes - added 8 years ago

Watch the smallest particles in the universe fly down from space and get ejected from a radioactive rod. NOVA Facebook: https://www.facebook.com/NOVAonline NOVA Twitter: https://www.twitter.com/novapbs EXPERIMENT INSTRUCTIONS: http://bit.ly/1BSEZK6 Credit
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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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This microscopic world shows that beauty is all around us, even if it's invisible to the naked eye

297 views / 0 likes - added 3 years ago

The Nikon Small World in Motion competition brings together talented microscopists from all over the world. What they have been able to capture will likely astound you, even though sometimes what you're seeing is pond scum. Please visit our website to dis
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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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A Brief History Of The Universe: Crash Course Astronomy #44

942 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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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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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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Moon Phases: Crash Course Astronomy #4

1,944 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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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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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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Constructing Probability Model From Observations

767 views / 0 likes - added 8 years ago

Constructing probability model from observations
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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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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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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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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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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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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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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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Absurd Creatures | This Squid Has One Little Eye And One Giant Eye

964 views / 0 likes - added 7 years ago

Hey listen, we’re all a little lopsided. You’d look weird as hell if you were perfectly symmetrical. But the strawberry squid is really lopsided, with one tiny eye and one giant eye. Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 C
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Yummy Cake Recipes | EP 7 | RED VELVET NAKED CAKE | How To Make RED VELVET NAKED CAKE

62 views / 0 likes - added 9 months ago

A Naked Red Velvet Cake is a beautiful and delectable dessert that features the classic flavors of red velvet in a rustic and elegant presentation. As the name suggests, it is called "naked" because the sides of the cake are left exposed, showcasing the c
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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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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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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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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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Light: Crash Course Astronomy #24

1,647 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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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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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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Before I Got My Eye Put Out - The Poetry of Emily Dickinson: Crash Course English Lit #8

1,174 views / 1 likes - added 9 years ago

In which John Green concludes the Crash Course Literature mini-series with an examination of the poetry of Emily Dickinson. Sure, John explores the creepy biographical details of Dickinson's life, but he also gets into why her poems have remained relevant
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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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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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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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The Sun: Crash Course Astronomy #10

795 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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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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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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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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How to move one eye on its own (and the science of eye movement)

102 views / 0 likes - added 1 year ago

The first 76 people to sign up at https://brilliant.org/stevemould/ will get 20% off an annual premium subscription.You can train yourself to move one eye independent of the other. Here's how to do it. I also talk about the science of eye movement: saccad
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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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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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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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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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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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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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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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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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Saturn: Crash Course Astronomy #18

1,024 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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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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How To Get Resources - Picky Pineapples: Crash Course Kids #2.2

1,502 views / 1 likes - added 8 years ago

Want a Pineapple? If you want a pineapple, it's possible you can just run down to the store and get one. But, if you wanted to grow one, that's a lot more difficult depending on where you live. In this episode of Crash Course Kids, Sabrina talks about how
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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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How do naked mole-rats choose their queen?

557 views / 0 likes - added 5 years ago

The National Zoo's new naked mole-rat colony is in the process of choosing a queen —and the zoo keepers are preparing for a "mole-rat war." Subscribe to Science Magic Show Hooray! https://bit.ly/2LLNAci Learn more about naked mole-rats: https://nationalzo
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Why Is the Naked Mole Rat So Weird?

398 views / 0 likes - added 5 years ago

Almost everything about the naked mole rat is bizarre. In this episode of “Animalism,” Ed Yong, a science writer for The Atlantic, explains why.
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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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Measurement Mystery: Crash Course Kids #9.2

1,046 views / 0 likes - added 8 years ago

So now that we know what Properties are, how can we use them to figure things out? In this episode of Crash Course Kids, Sabrina uses them to solve the mystery of what she tripped over last night. This first series is based on 5th grade science. We're sup
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Look Who's Talking: Crash Course Kids #27.2

915 views / 0 likes - added 8 years ago

Plants! We absolutely depend on them. Oxygen, food, and looking super nice to boot! But, plants have a lot more going on than meets the eye. How do we know that? Investigations and Experimentations! Watch More Crash Course Kids: https://www.youtube.com/us
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Material Magic - Making Diamonds: Crash Course Kids #40.2

960 views / 1 likes - added 8 years ago

Did you know we can actually make diamonds in a lab? It's true! We can! And this is both really good and really cool. In this episode of Crash Course Kids, Sabrina shows us how materials scientists have done just that and why it's so important. Watch More
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The Science Of Lunch: Crash Course Kids #15.2

3,577 views / 2 likes - added 8 years ago

Even an empty lunch sack is useful to science. You can examine it and come up with some traits. In this episode, Sabrina chats about things like malleability, hardness, conductivity, and magnetism. And all with lunch! This first series is based on 5th gra
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The Naked Mole-Rat

747 views / 3 likes - added 8 years ago

Naked mole-rats are some of the most fascinating members of the animal kingdom - but just how unique are they? Turns out, they diverged from their nearest relative more than 31 MILLION years ago! Field Museum curator Dr. Bruce Patterson, and Yale postdoct
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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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Let's Fly!: Crash Course Kids 26.2

864 views / 1 likes - added 8 years ago

Selecting which solution is the best solution to a problem may seem difficult at first. But if you are patient and think about what you need an effective solution to be, you can do it. In this episode of Crash Course Kids, Sabrina shows us how to do just
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What's My Property: Crash Course Kids #35.2

1,173 views / 0 likes - added 8 years ago

What exactly can we tell about an unknown substance by it's properties. We already know that a substance is matter that’s made of one kind of atom or molecule, and that has specific properties and that some substances are elements, which means they can’t
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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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Testing And Trials: Crash Course Kids #44.2

855 views / 1 likes - added 8 years ago

More trials! This time we need to figure out what to do if you don't have all the things you'd like to have to perform your tests. How do you isolate a variable across multiple tests? A good engineer will work to find a way to make it happen. In this epis
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Up, Up & Away: Crash Course Kids #16.2

994 views / 0 likes - added 8 years ago

So... what makes the wind? You might be surprised to learn that it has to do with two of Earth's spheres; The Hydrosphere and the Geosphere. In this episode of Crash Course Kids, Sabrina takes us to the beach to chat about how the wind comes into being an
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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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Minecraft Xbox - Naked Challenge - Battle Mini-Game

835 views / 0 likes - added 7 years ago

Welcome to the naked challenge. In this challenge I am not allowed to wear any armor while playing the battle mini-game. Twitter - @stampylongnose Facebook - www.facebook.com/stampylongnose UK Shop - http://stampy.spreadshirt.co.uk/ US Shop - https://shop
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Infrared astronomy - with Matthew Bothwell

124 views / 0 likes - added 1 year ago

Why does the universe look the way it does? The answer could lie in the massive, dusty, and star-producing galaxies that existed billions of years ago, and are invisible to the naked eye.Watch Matthew Bothwell's full lecture on 'The Invisible Universe': h
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(LEGO) Block Party: Crash Course Kids #23.2

1,014 views / 0 likes - added 8 years ago

Playing with LEGOS is fun. But, they can also teach us something about matter. In this episode of Crash Course Kids, Sabrina chats about chemical reactions and the Conservation of Matter. Watch More Crash Course Kids: https://www.youtube.com/user/crashcou
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Constellation Location: Crash Course Kids #31.2

927 views / 2 likes - added 8 years ago

Let's say you're looking for a specific constellation in the sky, but can't find it? That could be because you're on the wrong part of the planet to see it. In this episode of Crash Course Kids, Sabrina talks about how the Earth's rotation and axis can af
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Psychological Research - Crash Course Psychology #2

805 views / 1 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 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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Major Sociological Paradigms: Crash Course Sociology #2

781 views / 0 likes - added 7 years ago

This week we introduce sociology’s three major theoretical paradigms, and some of the advantages and disadvantages of each paradigm. Crash Course is made with Adobe Creative Cloud. Get a free trial here: https://www.adobe.com/creativecloud.html *** Crash
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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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Why No Polar Pineapples: Crash Course Kids #11.2

1,066 views / 0 likes - added 8 years ago

Plants are amazing. Really! Photosynthesis is an incredible thing. But it also means that some plants can't live everywhere. They need to get the right amount of sunlight for the right amount of time. In this episode of Crash Course Kids, Sabrina chats ab
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Following The Sun: Crash Course Kids #8.2

1,932 views / 7 likes - added 8 years ago

Have you ever wondered why your shadow is longer sometimes and shorter others? It turns out it all has to do with that marvelous big ball of light in the sky; The Sun! This first series is based on 5th grade science. We're super excited and hope you enjoy
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The evolution of the eye

686 views / 0 likes - added 8 years ago

Creationists and supporters of Intelligent Design like to point to what they call the "irreducible complexity" of the eye as proof of the existence of a designer/creator. In other words, they like to say that complex components of our physiology like the
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Copyright Basics: Crash Course Intellectual Property 2

690 views / 0 likes - added 8 years ago

EPISODE DESCRIPTION This week, Stan Muller teaches you the basics of copyright in the United States. Copyright law is territorial, so we're going to cover the system we know the most about, and that's the US. Stan will talk about what kind of ideas can be
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The Ecliptic: Crash Course Kids #37.2

539 views / 0 likes - added 8 years ago

So, what is the Ecliptic? Well, it has to do with the Zodiac constellations and our sun and how they move in relation to one another. It's kind of cool! In this episode, Sabrina chats about this imaginary line called the Ecliptic and its cycle in the sky.
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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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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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Unit Conversion&Significant Figures: Crash Course Chemistry #2

746 views / 0 likes - added 9 years ago

A unit is the frequently arbitrary designation we have given to something to convey a definite magnitude of a physical quantity and every quantity can be expressed in terms of the seven base units that are contained in the international system of units. H
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Creation from the Void: Crash Course Mythology #2

650 views / 0 likes - added 7 years ago

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
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Specialization And Trade: Crash Course Economics #2

3,093 views / 1 likes - added 8 years ago

In which Adriene Hill and Jacob Clifford teach you about specialization and trade, and how countries decide whether they're going to make stuff or trade for stuff. You'll learn about things like comparative advantage, the production possibilities frontier
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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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Try Trials: Crash Course Kids #39.2

880 views / 0 likes - added 8 years ago

We've talked about variables and solving problems. But how do we keep working on a problem if the first solution doesn't fix it? Trials! In this episode of Crash Course Kids, Sabrina shows us how to use Trials to figure out what the problems are with our
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Chemical Changes: Crash Course Kids #19.2

4,541 views / 7 likes - added 8 years ago

We've talked about mixtures and solutions, solutes and solvents, but what about things that can't be undone? What about Chemical Changes? Would it surprise you to know that baking a cake is a Chemical Change? Or striking a match? In this episode of Crash
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The First Movie Camera: Crash Course Film History #2

704 views / 0 likes - added 6 years ago

After serial photography became a thing, it wasn't long before motion pictures started to develop. And, at the front of that development was Thomas Edison, who you may know as an inventor and business person. In this episode of Crash Course Film History,
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The Engineering Process: Crash Course Kids #12.2

6,153 views / 15 likes - added 8 years ago

So, how do we go about being engineers? In this episode of Crash Course Kids, Sabrina talks to us about the Engineering Process and why we should do things in order, as well as many of the questions we should ask along the way. This first series is based
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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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Down To Earth: Crash Course Kids #4.2

1,623 views / 0 likes - added 8 years ago

In this episode of Crash Course Kids, Sabrina talks about why things on the bottom of the Earth, don't just fall off into space. Plus... PENGUINS! This first series is based on 5th grade science. We're super excited and hope you enjoy Crash Course Kids! /
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Planetary Plants: Crash Course Kids #45.2

984 views / 0 likes - added 8 years ago

So we know what life needs here to work, and we've talked a little about what life COULD look like on other planets. But what about plant life? What could plant life look like on other planets? In this episode of Crash Course Kids, Sabrina chats to us jus
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The Evolution Of The Human Eye - Joshua Harvey

2,241 views / 3 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-evolution-of-the-human-eye-joshua-harvey The human eye is an amazing mechanism, able to detect anywhere from a few photons to a few quadrillion, or switch focus from the screen in front of you to the distant
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Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 - Crash Course Ecology #9

1,847 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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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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Normal Stuff In Not-So-Normal Places: Crash Course Kids 46.2

812 views / 0 likes - added 8 years ago

So, what happens to normal stuff (like water) when it goes to not so normal places? What happens if you take a glass of water to the top of Mt. Everest? Or Space? In this episode of Crash Course Kids, Sabrina shows us how matter is affected by different p
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Fixing Failure Points: Crash Course Kids #42.2

161 views / 0 likes - added 2 years ago

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. ///Standards Used in This Video///3-5-ETS1-3. Plan and car
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A Fresh Future: Crash Course Kids #33.2

738 views / 5 likes - added 8 years ago

So, how are people fixing their water problems? In this episode of Crash Course Kids, Sabrina talks about a few different examples how some freshwater sources were good, then bad, then made good again. Also, Sabrina talks about parasites, fish, and dams!
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Water Fix!: Crash Course Kids #36.2

1,070 views / 3 likes - added 8 years ago

How can we fix water shortages? Well, we know that shortages are a problem and can cause fighting because water is a resource. When you limit a resource, things get scary. But, in this episode of Crash Course Kids, Sabrina talks about ways that we can hel
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Are naked mole rats the strangest mammals? - Thomas Park

532 views / 0 likes - added 5 years ago

Visit TED-Ed's shop to pick up t-shirts, totes, mugs and more featuring characters from your favorite TED-Ed Animations: http://bit.ly/2IWAKWE View full lesson: https://ed.ted.com/lessons/are-naked-mole-rats-the-strangest-mammals-thomas-park What mammal h
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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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Over (to) The Moon: Crash Course Kids #13.2

1,027 views / 1 likes - added 8 years ago

Sabrina gets a new set in this episode of Crash Course Kids. Do you want to be an astronaut? Would you like to someday walk on the moon? Well, you better learn a little about gravity so you can escape from Earth and head into space. Today, Sabrina chats w
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Architecture Adventure: Crash Course Kids #47.2

1,001 views / 3 likes - added 8 years ago

If we want to build a place for us to live, or to hang out, or do eat dinner with our friends, we're going to need a special kind of engineering called architecture. In this episode of Crash Course Kids, Sabrina gets us to help her build a place where she
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Astronaut Experiment: Crash Course Kids #32.2

708 views / 2 likes - added 8 years ago

Air resistance! It's a thing! In this episode of Crash Course Kids, Sabrina does her own Astronaut Experiment to show us how we can prove it! Watch More Crash Course Kids: https://www.youtube.com/user/crashcoursekids ///Standards Used in This Video/// 5-P
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Can naked mole rats solve autism, epilepsy, and schizophrenia? || EXPERIMENTALS: Moles (part 1)

465 views / 0 likes - added 5 years ago

Naked mole rats look like walking steamed spring rolls (with tails). But, beneath their translucent skin, they have a 35 million year old superpower: they are super carbon dioxide breathers (trust us, they’re joining the Avengers). And it’s not like they
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Resources: Welcome To The Neighborhood - Crash Course Kids #2.1

1,640 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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Engineering Games: Crash Course Kids #29.2

2,089 views / 7 likes - added 8 years ago

So how can a game teach us about engineering? Pretty easily! When you're trying to solve a game, or a puzzle, or whatever, you will have a bunch of variables. The trick is knowing how to change one variable at a time to see what changes. In this episode o
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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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Fixing Failure Points: Crash Course Kids #42.2

728 views / 0 likes - added 8 years ago

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
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Climate Change: Crash Course Kids #41.2

1,382 views / 6 likes - added 8 years ago

How does climate change? And what happens to environments and ecosystems when it does? In this episode of Crash Course Kids, Sabrina shows us the effects that climate change can have and how one small change in an ecosystem can throw everything off. Watch
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Glow On: Crash Course Kids #20.2

1,055 views / 3 likes - added 8 years ago

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
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Supervised Learning: Crash Course AI #2

308 views / 0 likes - added 4 years ago

Today were going to teach John Green Bot how to tell the difference between donuts and bagels using supervised learning! Supervised learning is the process of learning WITH training labels, and is the most widely used kind of learning with it comes to AI
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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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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
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How To Argue - Philosophical Reasoning: Crash Course Philosophy #2

883 views / 0 likes - added 8 years ago

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
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Severe Weather: Crash Course Kids #28.2

1,897 views / 5 likes - added 8 years ago

So, what's the difference between "weather" and "severe weather"? Is it just how hard the wind is blowing? Is it just thunder and lighting? Well, it can be some or all of those things. In this episode of Crash Course Kids, Sabrina talks to us about what m
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Vegetation Transformation: Crash Course Kids #5.2

1,093 views / 0 likes - added 8 years ago

Have you ever seen a magic trick where one thing changes to another thing? Well, that's nothing compared to what plants can do through a process called photosynthesis. In this episode, Sabrina talks about how photosynthesis works! This first series is bas
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Weathering And Erosion: Crash Course Kids #10.2

3,306 views / 10 likes - added 8 years ago

In this episode of Crash Course Kids, Sabrina gives us a real world example of how the Hydrosphere and Geosphere affect each other in the form of Weathering and Erosion. Think of Weathering as the force that makes a mess and Erosion as the force that clea
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Star Personalities: Crash Course Kids #25.2

737 views / 0 likes - added 8 years ago

Down here, on Earth, if you look up at the night sky, it seems like all the stars up there look the same. Or maybe at least similar. But, it turns out that stars are very different and we shouldn't stereotype them. Some are bigger, some burn through their
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Weather Channels: Crash Course Kids #34.2

1,308 views / 2 likes - added 8 years ago

Why is my weather app sometimes wrong? Well it has a lot to do with wind. Jet Streams, air cells, the shape and movement of the Earth... there are a lot of things that make weather a little unpredictable. In this episode of Crash Course Kids, Sabrina talk
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Defining Success: Crash Course Kids #18.2

606 views / 0 likes - added 8 years ago

In our last episode, Sabrina talked about how Engineers define the problems they need to solve. But how do you know when you've actually solved a problem? What do you expect to happen that would equal success? In this episode, Sabrina chats about how Engi
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Presidential Powers 2: Crash Course Government And Politics

659 views / 0 likes - added 9 years ago

This week Craig continues our conversation on presidential powers by looking at those NOT found in the Constitution - implied or inherent powers. We’ll talk about how the president uses his or her power to negotiate executive agreements, recommend legisla
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Orbits Are Odd: Crash Course Kids #22.2

761 views / 0 likes - added 8 years ago

Last week we talked about the orbits of the Earth and our Moon. But today we're going to go a little bigger... well, a lot better. Did you know that there is a massive Black Hole at the center of our Galaxy? Or that Pluto's orbit is really... weird? Today
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A Change Of Scenery: Crash Course Kids #17.2

4,357 views / 2 likes - added 8 years ago

The world changes. It really does! But sometimes it changes so slowly that we don't notice it. Other times it changes REALLY FAST!!! In this episode of Crash Course Kids, Sabrina talks about some of the reasons things can change quickly or slowly. This fi
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The Dirt On Decomposers: Crash Course Kids #7.2

2,114 views / 3 likes - added 8 years ago

We've talked about food chains and how energy moves through an ecosystem, but let's take a step back and see how everything starts... and ends. Decomposers! This first series is based on 5th grade science. We're super excited and hope you enjoy Crash Cour
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Electronic Computing: Crash Course Computer Science #2

754 views / 0 likes - added 7 years ago

So we ended last episode at the start of the 20th century with special purpose computing devices such as Herman Hollerith’s tabulating machines. But as the scale of human civilization continued to grow as did the demand for more sophisticated and powerful
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Florence and the Renaissance: Crash Course European History #2

559 views / 0 likes - added 4 years ago

The Renaissance was a cultural revitalization that spread across Europe, and had repercussions across the globe, but one smallish city-state in Italy was in many ways the epicenter of the thing. Florence, or as Italians might say, Firenze, was the home to
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The Life Hydrologic: Crash Course Kids #30.2

952 views / 0 likes - added 8 years ago

Last week we went up up up a mountain. Well, today we're going down down down into the ocean to see what habitats await us there. Yep, the ocean has layers and the types of things we encounter there change the deeper we go. Watch More Crash Course Kids: h
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Gas Giants Weather: Crash Course Kids #43.2

197 views / 0 likes - added 2 years ago

Last time, we learned that there is in fact weather on other planets. But those were the rocky planets, like Earth. What about the big Gas Giants? What's the weather like there? In this episode of Crash Course Kids, Sabrina takes us on a virtual tour of t
Whats the Most Animal Animal? Crash Course Zoology #2

245 views / 2 likes - added 2 years ago

Thank you to The Great Courses Plus for supporting PBS. For more information and a trial, go tohttp://ow.ly/zREQ30rDCDz. Picture an animal in your mind right now. What does it look like? A dog? A lion? Maybe a sloth, pangolin,naked mole-rat, or even just
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Gas Giants Weather: Crash Course Kids #43.2

749 views / 1 likes - added 8 years ago

Last time, we learned that there is in fact weather on other planets. But those were the rocky planets, like Earth. What about the big Gas Giants? What's the weather like there? In this episode of Crash Course Kids, Sabrina takes us on a virtual tour of t
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Blood Vessels, Part 2: Crash Course A&P #28

1,465 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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Reading Assignments: Crash Course Study Skills #2

513 views / 0 likes - added 6 years ago

Leaving the bookstore at the beginning of the semester you’re probably wondering how the heck you’re going to get through all of that reading. Today we’re explaining how much of that reading you really need to do and the best strategies for making your wa
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Dinosaur Pee?: Crash Course Kids #24.2

858 views / 3 likes - added 8 years ago

Today we continue our exploration of the Water Cycle by drinking some dinosaur pee. Yep! Well, it's a little less gross that it sounds. It turns out that all of the water on Earth is just constantly recycled in what we call a closed system. No water comes
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Eye Vs. Camera - Michael Mauser

1,085 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/eye-vs-camera-michael-mauser Your eyes don’t always capture the world exactly as a video camera would. But the eyes are remarkably efficient organs, the result of hundreds of millions of years of coevolution wit
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Food Webs: Crash Course Kids #21.2

1,620 views / 4 likes - added 8 years ago

Last time we put a Polar Bear in the desert and we still feel bad about that, but there's a lot more going on in ecosystems than just temperature. In fact, there are so many elements in ecosystems, that if just one leaves or gets out of whack, it can be t
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Muscles, Part 2 - Organismal Level: Crash Course A&P #22

1,373 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
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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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Population Ecology: The Texas Mosquito Mystery - Crash Course Ecology #2

1,258 views / 1 likes - added 8 years ago

Population ecology is the study of groups within a species that interact mostly with each other, and it examines how they live together in one geographic area to understand why these populations are different in one time and place than they are in another
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Online Eye Exams Will Change the Way We Buy Glasses

265 views / 0 likes - added 3 years ago

Like this video about Visibly's online eye exam and subscribe here: https://freeth.ink/youtube-subscribe-visibly . This video was made in partnership with Stand Together. Up Next- Is Telemedicine the New Normal? https://youtu.be/yiW_aViVrRoAcross the glob
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Water Water Everywhere: Crash Course Kids #14.2

1,685 views / 3 likes - added 8 years ago

So you know about Freshwater and Saltwater now and you know that there's not that much Freshwater for us (and other life) to get to. So how do different animals deal with different amounts of water where they live? In this episode of Crash Course Kids, Sa
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Here's Why Zodiac Constellations Are Still Used in Astronomy

337 views / 1 likes - added 3 years ago

To understand astronomy, astrology might actually not be a bad place to start... Although scientists certainly havent proven that being an Aries makes you more impatient or a Libra means youre wise, the constellations in the zodiac have unlocked hidden se
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Pitching and Pre-Production: Crash Course Film Production #2

540 views / 0 likes - added 6 years ago

Pitching your movie to people can be hard. A studio, a friend, your mom... each of these entities will have different stressed and give you different results. But, what's important in a pitch? And what happens after the pitch? How do you get your movie re
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Blood, Part 2 - There Will Be Blood: Crash Course A&P #30

948 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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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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Tiny robots swim through the eye to deliver medicine

449 views / 0 likes - added 5 years ago

Scientists use magnetic fields to drive spiral nanobots for drug delivery. Learn more: https://www.sciencemag.org/news/2018/11/watch-tiny-robots-swim-through-eyeball-deliver-medicine Read the paper: http://advances.sciencemag.org/content/4/11/eaat4388 Cre
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How The Human Eye Evolved To Be So Complex

745 views / 1 likes - added 8 years ago

Eyes are so complex that some say natural selection couldn’t possibly be how they formed. So, how did eyes evolve? These Eye Floaters Live Inside You! ►►►► http://bit.ly/1YrEaWQ Get Awesome DNews Science Shirts! ►►►► http://bit.ly/1V4BFUR Sign Up For The
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Derivatives: Crash Course Physics #2

1,108 views / 0 likes - added 8 years ago

CALCULUS! Today we take our first steps into the language of Physics; mathematics. Every branch of science has its own way to describe the things that it investigates. And, with Physics, that's math. In this episode, Shini talks us through derivatives and
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The Heart, Part 2 - Heart Throbs: Crash Course A&P #26

1,150 views / 1 likes - added 8 years ago

Today we're talking the heart and heart throbs -- both literal and those of the televised variety. Hank explains how your heart’s pacemaker cells use leaky membranes to generate their own action potentials, and how the resulting electricity travels throug
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Why Pirates Wore Eye Patches

108 views / 0 likes - added 6 months ago

Arrr, matey! Ever wonder why those swashbuckling pirates were so keen on eye patches? Well, there's more to it than just adding to their rugged look. See, pirates lived a life of constant ups and downssunlight on the deck, darkness below in the ship's bel
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A 3D-printed bionic eye

757 views / 0 likes - added 5 years ago

Bionic eyes are one step closer to reality, and in the future, they could replace human eyes and help blind people see. Researchers at the University of Minnesota have 3D-printed light receptors onto a prototype for a bionic eyeball. It’s the first time t
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What Are Eye Boogers?

996 views / 0 likes - added 8 years ago

The gunk builds up at the inner corners of our eyes is residue of the stuff the coats and protects our eyeballs all the time. Learn what it’s made of and why it turns to sand overnight. Learn more at HowStuffWorks.com: http://health.howstuffworks.com/huma
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Water - Liquid Awesome: Crash Course Biology #2

1,635 views / 0 likes - added 9 years ago

Hank teaches us why water is one of the most fascinating and important substances in the universe. Follow SciShow on Twitter: http://www.twitter.com/scishow Like SciShow on Facebook: http://www.facebook.com/scishow Review: Re-watch = 00:00 Introduction =
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09:30
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
09:05
The Bicameral Congress: Crash Course Government and Politics #2

698 views / 0 likes - added 9 years ago

In which Craig Benzine teaches you about the United States Congress, and why it's bicameral, and what bicameral means. Craig tells you what the Senate and House of Representatives are for, some of the history of the institutions, and reveal to you just ho
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Why Do We Get Eye Boogers?

902 views / 0 likes - added 7 years ago

Do eye boogers play a crucial role in maintaining the overall health of our eyes, or are they just a gross inconvenience? Is Eating Boogers Bad For You? - https://youtu.be/DUogCoSmPJo Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read Mor
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What are Eye Boogers?

864 views / 1 likes - added 5 years ago

Watch PBS Eons! https://www.youtube.com/eons Eye crusties, sleep, sand, eye boogers. What’s that stuff in the corner of your eyes when you wake up? This week, Reactions explains the chemistry of the film that protects your eyes. Subscribe! http://bit.ly/A
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Skylight: More Than Meets the Eye

513 views / 0 likes - added 5 years ago

The sky is awash in light, but there’s much more beyond the visible that we cannot sense with our eyes. What do we see when we use telescopes to peer into the invisible? #astronomy #space #visiblelight #wavelength #infrared #MilkyWay #Andromeda #stars #CM
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Is Your Eye Color Not Real?

812 views / 0 likes - added 4 years ago

Check out Say It Loud from PBSDS https://www.youtube.com/SayItLoudPBS SUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub More info and sources below The eyes are often the first thing we see when we look at someone. And when you look at them up c
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Fold 'N Fly ✈ The Eagle Eye Paper Airplane

1,318 views / 1 likes - added 8 years ago

Watch this video to learn how to create the "Eagle Eye" paper plane found on http://www.foldnfly.com
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Ancient Games: Crash Course Games #2

731 views / 0 likes - added 8 years ago

From the ancient Egyptian game of Senet to the Aztec’s Patolli, games have been played since the beginning of civilization. Today, your host Andre Meadows is going to take a look at a few of these games, including some that are actually still played today
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Indus Valley Civilization: Crash Course World History #2

878 views / 0 likes - added 9 years ago

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

336 views / 0 likes - added 4 years ago

Best Illusion of the Year Contest - 2018 Title: The Worms Eye View Illusion Authors: Michael Pickard and Gurpreet Singh. UK
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Math Genius Computes in the Blink of an Eye

374 views / 0 likes - added 4 years ago

Math Genius Computes in Blink of an Eye from the 20/20 "SuperHumans!" special.
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What Does a Pianist See? | Eye Tracking - Episode 1

545 views / 0 likes - added 7 years ago

Using eye tracking glasses, we answer the question of what a pianist sees while playing. OUR PARTNERS: •Tobii Pro: http://www.tobiipro.com/ •Steinway and Sons: https://www.steinway.com/ Filmed at Steinway Hall in NYC. PIANISTS: •Expert - Da
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Nuclear Chemistry Part 2: Fusion and Fission - Crash Course Chemistry #39

1,721 views / 1 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 Worms Eye View Illusion

334 views / 0 likes - added 4 years ago

Third prizeBest Illusion of the Year Contest - 2018 Title: The Worms Eye View Illusion Authors: Michael Pickard and Gurpreet Singh. UK
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What Are Those Floaty Things In Your Eye? - Michael Mauser

837 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-are-those-floaty-things-in-your-eye-michael-mauser Sometimes, against a uniform, bright background such as a clear sky or a blank computer...
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What Is The Resolution Of The Eye?

91 views / 0 likes - added 5 months ago

Follow me: http://www.twitter.com/tweetsauceSOURCES BELOW:Hanu Dixit music: https://www.youtube.com/user/HanuDixit0003Vsauce video about the FRAME RATE of the eye: https://www.youtube.com/watch?v=buSaywCF6E8music from http://www.youtube.com/jakechudnowand
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Using Eye Gaze to Teach a Robot

322 views / 0 likes - added 4 years ago

Carnegie Mellon University's Henny Admoni uses nonverbal human behavior, such as eye gaze, to better understand people's intentions. Using that information, Admoni creates algorithms that will allow future robots to be more collaborative in everyday life.
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PTSD and Alien Abduction - Slaughterhouse-Five Part 2: Crash Course Literature 213

658 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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Sesame Street: Abby and Prince Charming Go to the Eye Doctor

665 views / 0 likes - added 5 years ago

Going the the eye doctor is an important way to keep your eyes healthy! With Abby's support, Prince Charming went to see the eye doctor and now he is able to see clearly when he proposes to Cinderella! -- Subscribe to the Sesame Street Channel here: http:
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Could Eye Drops Replace Your Glasses?

196 views / 0 likes - added 2 years ago

Go to http://Brilliant.org/SciShow to try their Scientific Thinking course. Sign up now and get 20% off an annual Premium subscription.Getting older means its likely that your eyes will have trouble focusing on things at close distances, so we are often p
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How does laser eye surgery work? - Dan Reinstein

697 views / 0 likes - added 4 years ago

Explore the eye-opening science of LASIK: corrective laser eye surgery that focuses on reshaping the cornea to fix blurry vision.--In 1948, Spanish ophthalmologist Jose Ignacio Barraquer Moner was fed up with glasses. He wanted a solution for blurry visio
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Eye of the Tiger played by 9 Electric Devices

201 views / 0 likes - added 1 year ago

Survivor's Eye of the Tiger, played by two electric toothbrushes, four credit card machines, two typewriters, and one steam iron. Again, the song in this video is from the endless list of songs that have been requested a lot. The fact that the song is als
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I Can Twist My Eye Around Its Pupil (And So Can You)

455 views / 0 likes - added 2 years ago

Get 68% off for a 2-year plan + 1 month free with this link: https://nordvpn.com/steve and use the promo code "steve" to get the first month free.Torsional eye movement, known as cycloversion and cyclovergence have a fascinating evolutionary history via o
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How Honeybees Brush Their Eye Hairs

711 views / 0 likes - added 7 years ago

Flitting among the flowers can be messy, sticky work. Honeybees consume pollen for nutrition, so their entire bodies are covered in tiny hairs to capture as much pollen as possible. Even their eyes have a coat of hair. So how do they keep themselves clean
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Naked Egg - Sick Science! #031

218 views / 0 likes - added 2 years ago

The SICK Science series was created by Steve Spangler. 2010 Steve Spangler, Inc. All Rights ReservedSteve Spangler is a bestselling author, STEM educator and Emmy award-winning television personality with more than 1,500 television appearances to his cred
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This Could Be the End of Urban Astronomy (360 Video)

495 views / 0 likes - added 6 years ago

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
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Of Pentameter&Bear Baiting - Romeo&Juliet Part I: Crash Course English Literature #2

710 views / 0 likes - added 9 years ago

In which John Green examines Romeo&Juliet by William Shakespeare. John delves into the world of Bill Shakespeare's famous star-crossed lovers and examines what the play is about, its structure, and the context in which it was written. Have you ever wanted
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Amanda Hunt on Xu Zhen: In Just a Blink of an Eye

385 views / 0 likes - added 4 years ago

The Museum of Contemporary Art has acquired a performance piece titled In Just a Blink of an Eye by Chinese artist Xu Zhen. The work will be on view at MOCA’s Grand Avenue location every Saturday and Sunday beginning July 27 through September 1. Xu
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Hand vs. Eye | Brain Games

532 views / 0 likes - added 6 years ago

Brain Games explores the inner workings of your brain with interactive games you can play at home, as well as experiments on the streets of a city as complex as your brain -- New York. Guiding you through the twists and turns of your gray matter is Jason
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Could A Blind Eye Regenerate? - David Davila

1,313 views / 1 likes - added 8 years ago

View full lesson here: http://ed.ted.com/lessons/could-a-blind-eye-regenerate-david-davila We tend to think of blindness as something you're born with, but with certain genetic diseases, it can actually develop when you’re a kid, or even when you’re an ad
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12:13 Popular
11 Brain Teasers To Test Your Keen Eye And Analytical Mind

1,481 views / 4 likes - added 5 years ago

With this set of 11 brain teasers you can test your keen eye and analytical mind! Solving this kind of tricky riddles every day exercises your brain and helps improve your logical skills. You will find out that they are pretty easy only if you have a well
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Student Breaks Nerd's Eye Glasses, What Happens Next Is Shocking | Dhar Mann

1,836 views / 4 likes - added 3 years ago

You should always treat others how you want to be treated. Hi #DharMannFam, thanks for watching my video! For exclusive giveaways & more inspirational content follow me on Instagram here: http://bit.ly/2Kcbgs2Also, did you know you can text me at 213-212-
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Could You Replace Your Eye With A Camera?

1,003 views / 1 likes - added 8 years ago

How does the eye compare to a camera? How do they work, and will camera technology ever get to the point where you would want to replace your eyeball with a camera? More on color perception: https://www.youtube.com/watch?v=uNOKWoDtbSk Vote for PBS Digital
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Why Are There Different Eye Colors? | COLOSSAL QUESTIONS

748 views / 1 likes - added 4 years ago

People are born with all sorts of different eye colors! But... why? What causes our eyes to be different colors, and why arent they all the same??Images used under license from Shutterstock.comWelcome to COLOSSAL QUESTIONS, the show that answers all of li
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Treat Jabu's eye! | Living With Elephants | Botswana elephant rescue, research and education centre.

533 views / 0 likes - added 4 years ago

Jabu has had a watery, sore eye lately. We have been treating it thrice daily with an antibiotic ointment and it is looking soo much better. Living With Elephants Foundation Botswana elephant rescue, research and education centre. 501C3 registered via The
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Exploring the Universe: Crash Course Big History #2

710 views / 0 likes - added 9 years ago

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
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When is Thanksgiving? Colonizing America: Crash Course US History #2

879 views / 1 likes - added 9 years ago

In which John Green teaches you about the (English) colonies in what is now the United States. He covers the first permanent English colony at Jamestown, Virginia, the various theocracies in Massachusetts, the feudal kingdom in Maryland, and even a bit ab
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Sesame Street: Grouch Eye for the Nice Guy (with Oscar)

669 views / 0 likes - added 7 years ago

It's now time for the yuckiest show on television: Grouch Eye for the Nice Guy. The Drab Five are here to give Bob a grouchy makeover! Watch to see the big reveal! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add
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The Civil War Part 2: Crash Course US History #21

1,224 views / 6 likes - added 9 years ago

In which John Green teaches you how the Civil War played a large part in making the United States the country that it is today. He covers some of the key ways in which Abraham Lincoln influenced the outcome of the war, and how the lack of foreign interven
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The Moon: Astronomy #12

953 views / 1 likes - added 9 years ago

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
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The 2 Times Table Song (Multiply by 2) | Silly School Songs

1,201 views / 0 likes - added 3 years ago

Learn how to multiply by 2 with this upbeat and catchy song! For more music and information, visit http://sillyschoolsongs.com.FREE Practice and Speed Drill for the two times table!! http://sillyschoolsongs.com/multiply-by-two-free-speed-drill-and-practic
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The Video Game Crash Of 1983: Crash Course Games #6

724 views / 1 likes - added 7 years ago

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
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A whale's eye view of Antarctica

272 views / 0 likes - added 2 years ago

Scientists have attached cameras to unlock the mysteries of whales lives in Antarctica. The cameras have helped scientists gather information on where, when and how whales feed, their social lives, and even how they must blow hard to clear sea ice so they
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Vision: Crash Course A&P #18

1,252 views / 0 likes - added 8 years ago

Next stop in our tour of your sensory systems? VISION. With a little help from an optical illusion, we take a look inside your eyes to try to figure out how your sense of vision works -- and how it can be tricked. *** Table of Contents The Structure of th
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Holden, JD, and the Red Cap- The Catcher in the Rye Part 2: Crash Course English Literature #7

678 views / 0 likes - added 9 years ago

In which John continues the discussion of JD Salinger's Catcher in the Rye. This week John reads the novel with Salinger's life story in mind. John explores how Salinger's war experience, educational background, and romantic life inform the events of Hold
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The Snail-Smashing, Fish-Spearing, Eye-Popping Mantis Shrimp

784 views / 1 likes - added 7 years ago

The killer punch of the mantis shrimp is the fastest strike in the animal kingdom, a skill that goes hand in hand with its extraordinary eyesight. They can see an invisible level of reality using polarized light, which could lead to a breakthrough in dete

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