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• 10:12

### Complex roots of the characteristic equations 3

322 views / 0 likes - added

Lets do an example with initial conditions! More free lessons at: http://www.khanacademy.org/video?v=rGaM6pwqhB0

• 11:58

### Repeated roots of the characteristic equation

302 views / 0 likes - added

What happens when the characteristic equation only has 1 repeated root? More free lessons at: http://www.khanacademy.org/video?v=NW9JfMvIsxw

• 08:52

### Repeated roots of the characterisitic equations part 2

341 views / 0 likes - added

An example where we use initial conditions to solve a repeated-roots differential equation. More free lessons at: http://www.khanacademy.org/video?v=YezsgIlcb68

• 11:51

### Introduction to matrices

348 views / 0 likes - added

What a matrix is. How to add and subtract them.

• 20:10

### Linear Algebra: Determinant as Scaling Factor

538 views / 0 likes - added

Viewing the determinant of the transformation matrix as a scaling factor of regions More free lessons at: http://www.khanacademy.org/video?v=g3MqSdO5Ubc

• 12:36

### Lin Alg: Alternate Basis Tranformation Matrix Example Part 2

457 views / 0 likes - added

Showing that the transformation matrix with respect to basis B actually works. Brief point on why someone would want to operate in a different basis to begin with. More free lessons at: http://www.khanacademy.org/video?v=EyORbCPUAd4

• 15:02

### Singapore Math: Grade 3a Unit 2 (part 8)

287 views / 0 likes - added

Subtracting 4-digit numbers

• 13:07

### Singapore Math: Grade 3a Unit 2 (part 9)

339 views / 0 likes - added

More on subtracting 4-digit numbers

• 11:31

### Singapore Math: Grade 3a Unit 2 (part 10)

434 views / 0 likes - added

Some final 4 digit subtraction problems.

• 10:00

### Getting Exactly Two Heads (Combinatorics)

435 views / 0 likes - added

A different way to think about the probability of getting 2 heads in 4 flips More free lessons at: http://www.khanacademy.org/video?v=8TIben0bJpU

• 06:52

### Exactly Three Heads in Five Flips

459 views / 0 likes - added

Probability of exactly 3 heads in 5 flips using combinations More free lessons at: http://www.khanacademy.org/video?v=udG9KhNMKJw

• 09:10

### Probability using Combinations

515 views / 0 likes - added

Probability of getting exactly 3 heads in 8 flips of a fair coin. More free lessons at: http://www.khanacademy.org/video?v=Xqfcy1rqMbI

• 08:00

### Newton's Third Law of Motion

332 views / 0 likes - added

Every action has an equal and opposite reaction More free lessons at: http://www.khanacademy.org/video?v=By-ggTfeuJU

• 11:43

### Impact Velocity From Given Height

516 views / 0 likes - added

Determining how fast something will be traveling upon impact when it is released from a given height More free lessons at: http://www.khanacademy.org/video?v=2ZgBJxT9pbU

• 07:18

### Normal Force and Contact Force

347 views / 0 likes - added

The force that keeps a block of ice from falling towards the center of the earth More free lessons at: http://www.khanacademy.org/video?v=1WOrgrIcQZU

• 14:24

### Refraction and Snell's Law

346 views / 0 likes - added

Refraction and Snell's Law More free lessons at: http://www.khanacademy.org/video?v=y55tzg_jW9I

• 04:25

### Refraction in Water

495 views / 0 likes - added

Refraction in Water More free lessons at: http://www.khanacademy.org/video?v=jxptCXHLxKQ

• 06:47

### Introduction: Crash Course U.S. Government and Politics

569 views / 0 likes - added

In which Craig Benzine introduces a brand new Crash Course about U.S. Government and Politics! This course will provide you with an overview of how the government of the United States is supposed to function, and we'll get into how it actually does functi

• 08:57

### Constitutional Compromises: Crash Course Government and Politics #5

486 views / 1 likes - added

In which Craig Benzine teaches you about the compromises met in ratifying the U.S. Constitution. The United State’s didn’t always have its current system of government. Actually, this is it’s second attempt. Craig will delve into the failures (and few suc

• 08:58

### Congressional Elections: Crash Course Government and Politics #6

429 views / 0 likes - added

This week Craig Benzine talks about the importance of elections. But he isn’t going to focus on presidential elections, but instead those of the strongest part of our government: congressional elections. Craig will talk about the frequency of elections in

• 08:12

### Congressional Leadership: Crash Course Government and Politics #8

426 views / 0 likes - added

This week Craig Benzine explores the leadership structure of congress. We’ll break out the clone machine to examine the responsibilities of the speaker of the house, the majority and minority leaders as well as the majority and minority whips in both the

• 06:36

### Congressional Decisions: Crash Course Government and Politics #10

416 views / 0 likes - added

This week Craig breaks out the crystal ball to try and figure out why our congresspeople do the things that they do. We’ll talk about the three motivating factors of congressional decisions - constituency, interest groups, and political parties - and we’l

• 06:30

### Presidential Power: Crash Course Government and Politics #11

508 views / 0 likes - added

This week Craig looks at the expressed powers of the President of the United States - that is the ones you can find in the Constitution. From appointing judges and granting pardons, to vetoing laws and acting as the nation’s chief diplomat on foreign poli

• 12:12

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

487 views / 2 likes - added

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

• 09:46 Popular

### Moon Phases: Crash Course Astronomy #4

1,206 views / 2 likes - added

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

• 12:01

### Telescopes: Crash Course Astronomy #6

483 views / 0 likes - added

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

• 10:17

### Introduction to the Solar System: Crash Course Astronomy #9

696 views / 1 likes - added

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

• 12:04

### The Sun: Crash Course Astronomy #10

569 views / 1 likes - added

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

• 09:51

### The Moon: Astronomy #12

685 views / 1 likes - added

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

• 09:43

### Tissues, Part 4 - Types of Connective Tissues: Crash Course A&P #5

590 views / 0 likes - added

•••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

• 09:57

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

513 views / 0 likes - added

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

• 11:44 Popular

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

775 views / 0 likes - added

•••SUBBABLE MESSAGE••• TO: Carla FROM: Christopher Next stop is whenever. Just be like, "stop." *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as \$0 to keep up with everything we're doing. Also, if

• 12:20

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

475 views / 0 likes - added

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

• 12:48

### War and Civilization: Crash Course World History 205

438 views / 3 likes - added

In which John Green investigates war, and what exactly it may or may not be good for. Was war a result of human beings organizing into larger and more complex agricultural social orders, or did war maybe create agriculture and "civilization?" It's hard to

• 10:08 Popular

### Climate Change, Chaos, and The Little Ice Age - Crash Course World History 206

748 views / 1 likes - added

In which John Green teaches you about the Little Ice Age. The Little Ice Age was a period of global cooling that occurred from the 13th to the 19th centuries. This cooling was likely caused by a number of factors, including unusual solar activity and volc

• 10:30

### Drought and Famine: Crash Course World History #208

644 views / 0 likes - added

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

• 09:10 Popular

### HOW World War I Started: Crash Course World History 209

1,022 views / 6 likes - added

In which John Green teaches you about World War I and how it got started. Crash Course doesn't usually talk much about dates, but the way that things unfolded in July and August of 1914 are kind of important to understanding the Great War. You'll learn ab

• 12:31

### The Railroad Journey and the Industrial Revolution: Crash Course World History 214

389 views / 1 likes - added

In which John Green teaches you about railroads, and some of the ways they changed the world, and how they were a sort of microcosm for the Industrial Revolution as a whole. Prior to the invention of steam powered railroads, pretty much all locomotion had

• 13:28

### Islam and Politics: Crash Course World History 216

640 views / 0 likes - added

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

• 11:44

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

635 views / 0 likes - added

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

• 15:07

### Luther and the Protestant Reformation: Crash Course World History #218

583 views / 3 likes - added

In which John Green teaches you about the Protestant Reformation. Prior to the Protestant Reformation, pretty much everyone in Europe was a Roman Catholic. Not to get all great man, but Martin Luther changed all that. Martin Luther didn't like the corrupt

• 13:16 Popular

### Charles V and the Holy Roman Empire: Crash Course World History #219

717 views / 0 likes - added

Get the new Crash Course World History Character poster here: http://store.dftba.com/products/crashcourse-characters-poster In which John Green teaches you about the Holy Roman Empire by teaching you about Charles V. Charles Hapsburg was the holy Roman Em

• 12:53

### Conflict in Israel and Palestine: Crash Course World History 223

456 views / 0 likes - added

In which John Green teaches you about conflict in Israel and Palestine. This conflict is often cast as a long-term beef going back thousands of years, and rooted in a clash between religions. Well, that's not quite true. What is true is that the conflict

• 10:51

### Psychological Research - Crash Course Psychology #2

515 views / 1 likes - added

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

• 10:14

### The Chemical Mind - Crash Course Psychology #3

639 views / 0 likes - added

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• 10:46

### Sensation&Perception - Crash Course Psychology #5

512 views / 0 likes - added

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• 09:34

### Consciousness - Crash Course Psychology #8

483 views / 0 likes - added

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• 10:41 Popular

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

801 views / 0 likes - added

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

• 11:19

### Altered States - Crash Course Psychology #10

423 views / 0 likes - added

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• 11:50 Popular

### How to Train a Brain - Crash Course Psychology #11

747 views / 0 likes - added

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

• 11:08

### Measuring Personality: Crash Course Psychology #22

656 views / 1 likes - added

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

• 12:39

### Controversy of Intelligence: Crash Course Psychology #23

498 views / 0 likes - added

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• 10:20

### Emotion, Stress and Health: Crash Course Psychology #26

653 views / 0 likes - added

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• 11:32

### OCD&Anxiety Disorders: Crash Course Psychology #29

537 views / 0 likes - added

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• 10:00

### Depressive and Bipolar Disorders: Crash Course Psychology #30

434 views / 2 likes - added

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

• 11:44

### Schizophrenia&Dissociative Disorders: Crash Course Psychology #32

406 views / 0 likes - added

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

• 10:12

### Eating and Body Dysmorphic Disorders: Crash Course Psychology #33

505 views / 0 likes - added

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

• 10:58

### Personality Disorders: Crash Course Psychology #34

593 views / 1 likes - added

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

• 10:08

### Social Influence: Crash Course Psychology #38

475 views / 0 likes - added

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• 10:12

### The Nucleus: Crash Course Chemistry #1

464 views / 1 likes - added

Hank does his best to convince us that chemistry is not torture, but is instead the amazing and beautiful science of stuff. Chemistry can tell us how three tiny particles - the proton, neutron and electron - come together in trillions of combinations to f

• 13:34

### Water and Solutions -- for Dirty Laundry: Crash Course Chemistry #7

530 views / 0 likes - added

Dihydrogen monoxide (better know as water) is the key to nearly everything. It falls from the sky, makes up 60% of our bodies, and just about every chemical process related to life takes place with it or in it. Without it, none of the chemical reactions t

• 11:17

### Acid-Base Reactions in Solution: Crash Course Chemistry #8

381 views / 0 likes - added

Last week, Hank talked about how stuff mixes together in solutions. Today, and for the next few weeks, he will talk about the actual reactions happening in those solutions - atoms reorganizing themselves to create whole new substances in the processes tha

• 11:31

### Precipitation Reactions: Crash Course Chemistry #9

344 views / 0 likes - added

A lot of ionic compounds dissolve in water, dissociating into individual ions. But when two ions find each other that form an insoluble compound, they suddenly fall out of solution in what's called a precipitation reaction. In this episode of Crash Course

• 11:13

### Redox Reactions: Crash Course Chemistry #10

416 views / 0 likes - added

All the magic that we know is in the transfer of electrons. Reduction (gaining electrons) and oxidation (the loss of electrons) combine to form Redox chemistry, which contains the majority of chemical reactions. As electrons jump from atom to atom, they c

• 11:45

### Ideal Gas Problems: Crash Course Chemistry #13

457 views / 0 likes - added

We don't live in a perfect world, and neither do gases - it would be great if their particles always fulfilled the assumptions of the ideal gas law, and we could use PV=nRT to get the right answer every time. Unfortunately, the ideal gas law (like our cul

• 11:35

### Real Gases: Crash Course Chemistry #14

360 views / 0 likes - added

Hank bursts our ideal gas law bubble, er, balloon, and brings us back to reality, explaining how the constants in the gas law aren't all that constant; how the ideal gas law we've spent the past two weeks with has to be corrected for volume because atoms

• 11:26

### Passing Gases: Effusion, Diffusion and the Velocity of a Gas - Crash Course Chemistry #16

355 views / 0 likes - added

We have learned over the past few weeks that gases have real-life constraints on how they move here in the non-ideal world. As with most things in chemistry (and also in life) how a gas moves is more complex than it at first appears. In this episode, Hank

• 11:24

### Enthalpy: Crash Course Chemistry #18

466 views / 0 likes - added

Energy is like the bestest best friend ever and yet, most of the time we take it for granted. Hank feels bad for our friend and wants us to learn more about it so that we can understand what it's trying to tell us - like that any bond between two atoms co

• 09:03

### Lab Techniques&Safety: Crash Course Chemistry #21

540 views / 0 likes - added

Hank takes a break from the desk to bring you to the lab in order to demonstrate some important points about the practical side of chemistry - experimentation in the laboratory. You'll learn what to wear in the lab, how to dispose of chemicals safely, how

• 09:46

### Atomic Hook-Ups - Types of Chemical Bonds: Crash Course Chemistry #22

495 views / 0 likes - added

Atoms are a lot like us - we call their relationships "bonds," and there are many different types. Each kind of atomic relationship requires a different type of energy, but they all do best when they settle into the lowest stress situation possible. The n

• 10:52

### Orbitals: Crash Course Chemistry #25

547 views / 0 likes - added

In this episode of Crash Course Chemistry, Hank discusses what Molecules actually look like and why, some quantum-mechanical three dimensional wave functions are explored, he touches on hybridization, and delves into sigma and pi bonds. -- Table of Conten

• 11:04

### Liquids: Crash Course Chemistry #26

426 views / 1 likes - added

In this episode of Crash Course Chemistry, Hank gives you the low down on things like London Dispersion Forces, Hydrogen Bonds, Cohesion, Adhesion, Viscosity, Capillary Action, Surface Tension, and why liquids are just... WEIRD! -- TABLE OF CONTENTS Londo

• 09:29

### Equilibrium Equations: Crash Course Chemistry #29

393 views / 0 likes - added

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• 11:23

### pH and pOH: Crash Course Chemistry #30

388 views / 1 likes - added

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

• 09:57

### Kinetics: Chemistry's Demolition Derby - Crash Course Chemistry #32

378 views / 0 likes - added

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• 08:20

### Network Solids and Carbon: Crash Course Chemistry #34

507 views / 0 likes - added

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• 09:04

### Electrochemistry: Crash Course Chemistry #36

473 views / 0 likes - added

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• 09:58

### Nuclear Chemistry: Crash Course Chemistry #38

509 views / 0 likes - added

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• 09:50

### Aromatics and Cyclic Compounds - Crash Course Chemistry #42

387 views / 0 likes - added

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• 10:15

### Polymers - Crash Course Chemistry #45

395 views / 0 likes - added

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• 10:34

### The Global Carbon Cycle - Crash Course Chemistry #46

609 views / 0 likes - added

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• 11:20

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

508 views / 1 likes - added

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

• 10:40 Popular

### The Seven Years War and the Great Awakening: Crash Course US History #5

19k views / 212 likes - added

In which John Green teaches you about the beginnings of the American Revolution in a video titled The Seven Years War. Confusing? Maybe. John argues that the Seven Years War, which is often called the French and Indian War in the US, laid a lot of the gro

• 12:19

### Taxes&Smuggling - Prelude to Revolution: Crash Course US History #6

508 views / 1 likes - added

In which John Green teaches you about the roots of the American Revolution. The Revolution did not start on July 4, 1776. The Revolutionary War didn't start on July 4 either. (as you remember, I'm sure, the Revolution and the Revolutionary War are not the

• 13:57

### Where US Politics Came From: Crash Course US History #9

462 views / 0 likes - added

In which John Green teaches you where American politicians come from. In the beginning, soon after the US constitution was adopted, politics were pretty non-existent. George Washington was elected president with no opposition, everything was new and excit

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• 13:19

### Thomas Jefferson&His Democracy: Crash Course US History #10

592 views / 3 likes - added

In which John Green teaches you about founding father and third president of the United States, Thomas Jefferson. Jefferson is a somewhat controversial figure in American history, largely because he, like pretty much all humans, was a big bundle of contra

• 12:43

### The War of 1812 - Crash Course US History #11

531 views / 1 likes - added

In which John Green teaches you about the War of 1812. The War of 1812 was fought between the United States and its former colonial overlord England. It started in, you guessed it 1812. The war lasted until 1815, and it resolved very little. John will tak

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• 14:11

### The Market Revolution: Crash Course US History #12

542 views / 0 likes - added

In which John Green teaches you about the Market Revolution. In the first half of the 19th century, the way people lived and worked in the United States changed drastically. At play was the classic (if anything in a 30 year old nation can be called classi

• 14:17

### The Election of 1860&the Road to Disunion: Crash Course US History #18

575 views / 1 likes - added

In which John Green teaches you about the election of 1860. As you may remember from last week, things were not great at this time in US history. The tensions between the North and South were rising, ultimately due to the single issue of slavery. The Nort

• 07:25

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

597 views / 4 likes - added

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

• 12:01 Popular

### The Civil War, Part I: Crash Course US History #20

783 views / 11 likes - added

In which John Green ACTUALLY teaches about the Civil War. In part one of our two part look at the US Civil War, John looks into the causes of the war, and the motivations of the individuals who went to war. The overarching causes and the individual motiva

• 12:32

### The Industrial Economy: Crash Course US History #23

560 views / 0 likes - added

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

• 12:45 Popular

### Growth, Cities, and Immigration: Crash Course US History #25

772 views / 2 likes - added

In which John Green teaches you about the massive immigration to the United States during the late 19th and early 20th century. Immigrants flocked to the US from all over the world in this time period. Millions of Europeans moved to the US where they drov

• 13:51

### Gilded Age Politics:Crash Course US History #26

531 views / 0 likes - added

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as \$0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps keep the channel producing great conten

• 15:01

### The Progressive Era: Crash Course US History #27

556 views / 1 likes - added

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as \$0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps keep the channel producing great conten

• 15:07

### Progressive Presidents: Crash Course US History #29

435 views / 1 likes - added

In which John Green teaches you about the Progressive Presidents, who are not a super-group of former presidents who create complicated, symphonic, rock soundscapes that transport you into a fantasy fugue state. Although that would be awesome. The preside

• 13:31

### Women's Suffrage: Crash Course US History #31

504 views / 2 likes - added

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

• 14:27 Popular

### The Great Depression: Crash Course US History #33

1,294 views / 4 likes - added

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

• 13:27 Popular

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

907 views / 6 likes - added

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

• 14:23 Popular

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

718 views / 2 likes - added

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

• 13:35

### The Cold War: Crash Course US History #37

592 views / 2 likes - added

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

• 13:24

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

435 views / 0 likes - added

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

• 14:20 Popular

### The Reagan Revolution: Crash Course US History #43

913 views / 1 likes - added

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

• 13:53

### George HW Bush and the End of the Cold War: Crash Course US History #44

666 views / 2 likes - added

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

• 15:38

### The Clinton Years, or the 1990s: Crash Course US History #45

648 views / 1 likes - added

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

• 15:40

### Obamanation: Crash Course US History #47

505 views / 0 likes - added

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

• 12:42

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

478 views / 0 likes - added

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

• 11:43

### Like Pale Gold - The Great Gatsby Part I: Crash Course English Literature #4

458 views / 0 likes - added

In which John Green explores F. Scott Fitzgerald's novel of the Jazz Age, The Great Gatsby. John introduces you to Nick Carraway, Jay Gatsby, Daisy and Tom Buchanan, and the other characters in the novel, and tries to look beyond the surface story to figu

• 08:50

### Was Gatsby Great? The Great Gatsby Part 2: Crash Course English Literature #5

564 views / 2 likes - added

SPOILER ALERT: This video assumes you've read the book. In which John Green continues to explore F. Scott Fitzgerald's novel, The Great Gatsby. In this installment, John looks into the titular Gatsby's purported Greatness. Gatsby's single-minded pursuit o

• 13:35

### Fate, Family, and Oedipus Rex: Crash Course Literature 202

512 views / 0 likes - added

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

• 12:24

### Ghosts, Murder, and More Murder - Hamlet Part I: Crash Course Literature 203

558 views / 0 likes - added

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

• 13:12

### Reader, it's Jane Eyre - Crash Course Literature 207

529 views / 1 likes - added

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

• 11:55

### To Kill a Mockingbird, Part I - Crash Course Literature 210

512 views / 0 likes - added

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

• 11:37

### Race, Class, and Gender in To Kill a Mockingbird: Crash Course Literature 211

471 views / 0 likes - added

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

• 10:26

### PTSD and Alien Abduction - Slaughterhouse-Five Part 2: Crash Course Literature 213

421 views / 0 likes - added

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

• 11:18

### The Poetry of Sylvia Plath: Crash Course Literature 216

457 views / 1 likes - added

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as \$0 to keep up with everything we're doing. 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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• 11:17

### Water - Liquid Awesome: Crash Course Biology #2

588 views / 0 likes - added

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

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• 11:45

### In Da Club - Membranes&Transport: Crash Course Biology #5

370 views / 0 likes - added

Hank describes how cells regulate their contents and communicate with one another via mechanisms within the cell membrane. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-Series-DVD-Set Like Cras

• 13:26

### ATP&Respiration: Crash Course Biology #7

478 views / 0 likes - added

In which Hank does some push ups for science and describes the "economy" of cellular respiration and the various processes whereby our bodies create energy in the form of ATP. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/Cras

• 13:15 Popular

### Photosynthesis: Crash Course Biology #8

722 views / 2 likes - added

Hank explains the extremely complex series of reactions whereby plants feed themselves on sunlight, carbon dioxide and water, and also create some by products we're pretty fond of as well. Crash Course Biology is now available on DVD! http://dftba.com/pro

• 14:08

### DNA, Hot Pockets,&The Longest Word Ever: Crash Course Biology #11

645 views / 0 likes - added

Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us understand how the processes known as DNA transcription and translation allow our cells to build proteins. Crash Course B

• 11:32

### Animal Development: We're Just Tubes - Crash Course Biology #16

577 views / 0 likes - added

Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like CrashCourse on Facebook: http://www.facebook.com/youtubecrashcourse

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• 11:05

### Population Genetics: When Darwin Met Mendel - Crash Course Biology #18

601 views / 0 likes - added

Hank talks about population genetics, which helps to explain the evolution of populations over time by combing the principles of Mendel and Darwin, and by means of the Hardy-Weinberg equation. Crash Course Biology is now available on DVD! http://dft.ba/-8

• 11:44 Popular

### Evolution: It's a Thing - Crash Course Biology #20

707 views / 0 likes - added

Hank gets real with us in a discussion of evolution - it's a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of biological organization. Crash Course Biology is now availabl

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• 13:15

### Complex Animals: Annelids&Arthropods - CrashCourse Biology #23

401 views / 0 likes - added

Hank continues our exploration of animal phyla with the more complexly organized annelida and arthropoda, and a biolography on insects. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like CrashCourse on Facebook: http://www.facebook.com

• 12:10

### Chordates - CrashCourse Biology #24

455 views / 0 likes - added

Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal sarcopterygian osteich

• 11:53 Popular

### The Digestive System: CrashCourse Biology #28

759 views / 3 likes - added

Hank takes us through the bowels of the human digestive system and explains why it's all about surface area. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like Crash Course? http://www.facebook.com/youtubecrashcourse Follow Crash Cours

• 12:52 Popular

### Big Guns: The Muscular System - CrashCourse Biology #31

726 views / 0 likes - added

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

• 15:02

### Your Immune System: Natural Born Killer - Crash Course Biology #32

602 views / 0 likes - added

Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCour

• 11:21 Popular

### Great Glands - Your Endocrine System: CrashCourse Biology #33

837 views / 1 likes - added

Hank fills us in on the endocrine system - the system of glands which produce and secrete different types of hormones directly into the bloodstream to regulate the body's growth, metabolism, and sexual development&function. Like CrashCourse on Facebook: h

• 12:17

### Old&Odd: Archaea, Bacteria&Protists - CrashCourse Biology #35

520 views / 1 likes - added

Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and Protists. They are by far the most abundant organisms o

• 10:26 Popular

### Ecology - Rules for Living on Earth: Crash Course Biology #40

974 views / 0 likes - added

Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been interacting with ea

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• 12:06

### Mesopotamia: Crash Course World History #3

529 views / 0 likes - added

In which John presents Mesopotamia, and the early civilizations that arose around the Fertile Crescent. Topics covered include the birth of territorial kingdoms, empires, Neo-Assyrian torture tactics, sacred marriages, ancient labor practices, the world's

• 11:02 Popular

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

712 views / 3 likes - added

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

• 12:26

### The Roman Empire. Or Republic. Or...Which Was It?: Crash Course World History #10

690 views / 0 likes - added

In which John Green explores exactly when Rome went from being the Roman Republic to the Roman Empire. Here's a hint: it had something to do with Julius Caesar, but maybe less than you think. Find out how Caesar came to rule the empire, what led to him ge

• 10:31

### Mansa Musa and Islam in Africa: Crash Course World History #16

581 views / 0 likes - added

In which John Green teaches you about Sub-Saharan Africa! So, what exactly was going on there? It turns out, it was a lot of trade, converting to Islam, visits from Ibn Battuta, trade, beautiful women, trade, some impressive architecture, and several empi

• 12:09

### The Columbian Exchange: Crash Course World History #23

698 views / 0 likes - added

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

• 10:33

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

516 views / 2 likes - added

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

• 14:03

### Capitalism and Socialism: Crash Course World History #33

695 views / 0 likes - added

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. In which John Green teaches you about capitalism and socialism in a way that is sure to please commenters from both sides of the deba

• 13:13 Popular

### World War II: Crash Course World History #38

1,096 views / 3 likes - added

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. 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

• 12:49

### Decolonization and Nationalism Triumphant: Crash Course World History #40

482 views / 2 likes - added

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

• 11:51

### Globalization I - The Upside: Crash Course World History #41

463 views / 0 likes - added

In which John Green teaches you about globalization, a subject so epic, so, um, global, it requires two videos. In this video, John follows the surprisingly complex path of t-shirt as it criss-crosses the world before coming to rest on your doorstep, and

• 02:33

### Sesame Street: Two-Headed Monster Can't Catch

436 views / 0 likes - added

Two-Headed Monster can't catch...yet. If Two-Headed Monster keeps trying and practicing he might finally catch the ball. Do you know how to catch? Not, yet? That's OK, keep trying and one day you will be able to catch the ball too. Subscribe to the Sesame

• 03:19

### Sesame Street: Salvatore Dada's Abstract Art

343 views / 0 likes - added

Behold abstract pieces of art,“2,” “3,” and “4.” Can you guess what the next art piece is named? Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet You can catch Sesame Street in the morning and t

• 06:19

### Sesame Street: Super Grover Balances Some Chicken Cheerleaders

555 views / 1 likes - added

Give a cheer, give a cheer, give a most substantial cheer! Uh oh! The chicken and elephant cheer squad are having trouble balancing. How can Super Grover help the enthusiastic pom pom squad get their balancing act together? Subscribe to the Sesame Street

• 00:50 Popular

### Sesame Street: Watch&Play with Sesame Street GO (App Preview)

706 views / 0 likes - added

Sesame Street Go is a subscription video on demand app that delivers all your favorite Sesame Street videos and games anytime, anywhere! Download the app for free and get an unlimited 48 hour all-access pass or sign up for just \$3.99 a month or \$29.99 a y

• 01:05 Popular

### Sesame Street: Letter C (Letter of the Day)

882 views / 0 likes - added

Cowabunga letter C! What a cool letter of the alphabet. You always catch our eye with your curve and your character! When asked which letter has the most charisma we most certainly choose you! Subscribe to the Sesame Street Channel here: http://www.youtub

• 01:56

### Sesame Street: Aziz Ansari and Grover Get Ridiculous

372 views / 0 likes - added

Aziz Ansari and Grover want to explain today's vocabulary word in stove pipe hats and chicken costumes. Would you say that's a bit silly? Super silly? You're right. That's actually ridiculous, which is also today's word! Treat yourself to this ridiculous

• 01:18

### Sesame Street: Stop and Think Song

509 views / 0 likes - added

Chris and his little Penguin friend know that it's important stop and think before you act. It's just a great little tip to remember when you're going about your day. Say you see some blocks you really want to play with- Stop! and Think! Is there someone

• 05:18

### Sesame Street: Star S'Mores (Star Wars Parody)

667 views / 3 likes - added

A long time ago in a cookies and milky way galaxy far, far away...Princess Parfaya was taken prisoner by the Evil Galactic Empire and had to be saved by a group of unlikely heroes including the young Luke Piewalker, Flan Solo, and Chewie,the Cookiee. Subs

• 02:24

### Sesame Street: Strenuous with Wendi and Elmo

399 views / 0 likes - added

Wendi McLendon-Covey and Elmo are tough. They ran around, lifted a heavy rock, and played tug-of-war with one of the world's strongest animals. What makes something strenuous? Wendi and Elmo can tell you - activities that require a ton of energy and hard

• 00:51

### Sesame Street: 1D Visits Sesame Street (One Direction Too!)

660 views / 0 likes - added

1D! 1D! 1D! We love the number 1 and the letter D! They're both so dreamy! The way number 1 is before 2 and 3 makes our hearts leap. And who can resist letter D. He's right after C, but right before E. What a letter! 1D might be the most popular act in sh

• 05:43

### Sesame Street: Cheer! (Word on the Street Podcast)

559 views / 0 likes - added

Give a cheer, give a cheer, give a most substantial cheer! Sesame Street is here and cheering you on! Don't know what a cheer is? That's OK because lots of people are going to show exactly what we mean in this video! C-H-E-E-R Cheer! Subscribe to the Sesa

• 02:51

### Sesame Street: Bert and Ernie Make Shapes

468 views / 1 likes - added

Bert doesn't believe that Ernie's chain is truly magical. But look how magically Ernie can make it into a square, or a triangle or a circle. This chain is actually magical! Tell your friends and your mommy! Ernie has a magical shape-shifting chain! What s

• 03:27

### Sesame Street: Telly Interviews a Big Sister

370 views / 1 likes - added

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

• 02:57

518 views / 0 likes - added

Abby has nine cookies altogether, nine scrumptious delicious golden chocolatey chocolate chip cookies. And she is going to teach Cookie Monster how to subtract by taking away a couple cookies at a time. This is, of course, is heartbreaking stuff for Cooki

• 05:48

### Sesame Street: Confidence (Word on the Street Podcast)

599 views / 0 likes - added

Come on! Stand up straight! Smile and make eye contact. Be confident! Why? Because you're you and no one does a better job being you than you! You got this! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=S

• 01:44

### Sesame Street: Madlenka Plays in the World Cup

401 views / 0 likes - added

Madlenka lives in the Universe, right here on the earth. Today is the super inter-galactic world cup greatest soccer game ever with the best soccer player ever, Madlenka- at least thats what Madlenka said. Watch her dribble through the street, juke a mail

• 05:48

### Sesame Street: Courteous (Word on the Street Podcast)

543 views / 0 likes - added

Being courteous is important when you are a wee little kiddo. Why, you may politely ask? Because it's important to be respectful and use manners and being polite when you are interacting with other people. Subscribe to the Sesame Street Channel here: http

• 06:13 Popular

### Sesame Street: Grover Helps Piggies Up Creek (Super Grover 2.0)

820 views / 0 likes - added

Somewhere on a raft in a Mississippi Bayou, two little piggies were stranded up a creek. Here's the thing: they had gone to market and were all excited to go wee wee wee all the way home, when all of the sudden the wind at their sails stopped. Lucky or un

• 13:43

### Sesame Street: Mother Goose's School for Nusery Rhyme ( with Shirley Jones)

494 views / 0 likes - added

Welcome to Mother Goose's School for Nursery Rhyme Characters. Imagine going to school alongside of Mary and her Little Lamb, Little Red Riding Hood, Humpty Dumpty, Jack&Jill, Peter Piper and all those other crazy guys and gals! Subscribe to the Sesame St

• 05:42

### Sesame Street: Athlete (Word on the Street Podcast)

476 views / 0 likes - added

Want to be an athlete? An athlete is someone who trains to play a sport. You have to practice a lot, be determined, and love playing the sport you play! Who's your favorite athlete? Subscribe to the Sesame Street Channel here: http://www.youtube.com/subsc

• 04:14

### Sesame Street: Tyler Perry&Elmo Eat a Plate of Math

371 views / 0 likes - added

How, you might ask. How could Tyler Perry and Elmo eat a plate of math? It's simple, you see. Math is everywhere you look. In the sky, on the subway, in on your face, and of course, on Tyler Perry's plate of nachos. With a plate of nachos, you can count t

• 04:19

### Sesame Street: Kermit Directs a Movie

290 views / 0 likes - added

Lights. Camera. Action. Before Kermit was the big star we all know and love, he made ends meet directing old westerns with a bunch of B-list muppets. Watch this very special clip of Kermit perfecting his craft behind the camera long before he was in the s

• 00:36

### Sesame Street: Peggy Fleming Figure 8 (Throwback)

315 views / 0 likes - added

Peggy Fleming makes a perfect figure eight with her skates! She couldn't have done it without a lot of practice and a love for the number 8. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For

• 02:13

### Sesame Street: Evan Lysacek teaches Elmo and Stinky about Confidence

363 views / 0 likes - added

Stinky wants to tell you about the word confidence, but he's not confident that he can do it. Of course, confidence is about believing in yourself and your ability to do what you want to do. If only Stinky could learn to practice the very definition of th

• 01:24

### Sesame Street: Twinkle Twinkle Little Star

477 views / 2 likes - added

If you're wondering what that twinkling twinkling little star up above the world so high like a diamond in the sky actually is, come blast off to outer space and find out. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_ce

• 03:27

### Sesame Street: The Bert and Ernie Christmas Special with Tony Sirico and Steve Schirripa

410 views / 0 likes - added

Sometimes Bert and Ernie seem like a couple of wise guys and that's why they've hired actual wise guys, Tony Sirico and Steve Schirripa, to play themselves in this very festive Bert and Ernie Christmas Special. Subscribe to the Sesame Street Channel here:

• 06:18

### Sesame Street: Super Grover Finds The Perfect Ball for a Cactus

508 views / 0 likes - added

Poor Mr. Cactus deflated the very ball he wanted play with. Hopefully, Super Grover 2.0 can help him find a ball that won't deflate, or be too heavy, or melt. Hopefully. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_cent

• 02:29

### Sesame Street: Kunal Nayyar Helps Grover fix his Robot

412 views / 0 likes - added

A robot is a machine that can do things by itself that are similar to what people can do. For example, a robot can tell you the definition of the word robot. OR it can attack Grover and Kunal Nayyar! Watch the clip to see which action the Robot performs.

• 02:01

### Sesame Street: Kids Talk About New Things

460 views / 0 likes - added

Kids talk about trying new activities for the first time. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environmen

• 02:01

### Sesame Street: Sesame Street's Search for a New Hispanic Neighbor -- Part Two

605 views / 0 likes - added

Someone new is moving to Sesame Street! Join us for this three part series that chronicles our journey to find the newest addition to the neighborhood. Part two features the small group actors who were called back for the second round of auditions. Subscr

• 03:29

### Sesame Street: Tuba and Drum -- Elmo and Telly Cooperate

407 views / 1 likes - added

Telly and Elmo find a way to practice together. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit u

• 02:35

### Sesame Street: Kareem Abdul Jabbar and Big Bird - Subtraction

396 views / 0 likes - added

Big Bird and Kareem Abdul Jabbar subtract with the help of four squawking birds. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, ch

• 00:31

### Sesame Street: Word on the Street - Subtraction

577 views / 0 likes - added

Murray introduces the word "subtraction". Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at h

• 01:33

### Sesame Street: D is for Dance

431 views / 0 likes - added

Ballet dancers practice and perform. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at http:/

• 56:50

### Great Museums: Elevated Thinking: The High Line in New York City

559 views / 1 likes - added

Narrated by actress Susan Sarandon, this hour-long documentary film showcases the High Line, a most unusual and unlikely public park. Since opening in 2009, it has become a top global tourist destination, with nearly 5 million visitors annually. Since 199

• 06:38

### PREVIEW: Great Museums: Elevated Thinking: The High Line in New York City

520 views / 0 likes - added

Since 1998, GREAT MUSEUMS' call to action has been: "Find the museum in your own backyard." A perfect example is New York City's High Line. Recycled from a defunct elevated railroad, today's High Line is a fantastic world of woodlands, thickets, prairies

• 26:40

### Picture Perfect: George Eastman House

483 views / 3 likes - added

Located on historic East Avenue in Rochester, New York, this special showcases the 12.5-acre museum site that was the urban estate of George Eastman, founder of Eastman Kodak Company. The Museum focuses on the 150-year history of the art, technology, and

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### Triumph of the Spirit: The National D-Day Museum

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Now called The National World War Two Museum, this New Orleans-based museum talks about war in human terms and celebrates the American spirit through the personal stories and artifacts of the American men and women who sacrificed and prevailed in an epic

• 27:25

### A Woman's Touch: The National Museum of Women in the Arts

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The National Museum of Women in the Arts in Washington D.C. offers the single most important collection of art by women in the world. The museum provides an astonishing survey of women artists representing every major artistic period from 16th-century Dut

• 56:43

### Riches Rivals&Radicals: 100 Years of Museums in America

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American is a land of museums. America's museum offer solitude, sanctuary and discovery. They reflect who we were, who we are, and who we hope to be. Visit some of America's museums coast-to-coast. Meet the characters whose fervor fueled the revolution th

• 03:10

### New Orleans: A Living Museum of Music - A Webisode

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From the Lower Ninth Ward to Congo Square, New Orleans has long been the hub of the ultimate music experience and a living museum of music. But beneath the pomp and circumstance of Mardi Gras and Jazz Fest lies an invaluable community of local musicians i

• 01:05

### Isabella Stewart Gardner Museum (webisode)

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Great Museums TV presents a preview of "The Isabella Stewart Gardner Museum: Collective Vision". This episode aired on national public television stations across the country. A patron with exquisite taste and a zest for life, Isabella Stewart Gardner trav

• 00:43

### The National D-Day Museum (webisode)

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Great Museums TV offers a preview of its episode featuring The National D-Day Museum, which aired on public television stations across the nation. This is not the history of World War II, but the story of what it takes to transform a nation of people into

• 02:08 Popular

### "Snowman" Clip - The Story of Frozen: Making a Disney Animated Classic

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Did you know "Do You Want to Build a Snowman?" almost did not make the final cut? Learn more this Tuesday at 8pm on ABC in The Story of Frozen: Making a Disney Animated Classic.Viewers will get a rare look inside Walt Disney Animation Studios and unpreced

• 04:22 Popular

### [Official Video] Radioactive - Pentatonix&Lindsey Stirling (Imagine Dragons cover)

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### Math Antics - Percents And Equivalent Fractions

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### Math Antics - Factoring

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### Math Antics - Prime Factorization

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### Math Antics - Multi-Digit Subtraction

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### Math Antics - Adding&Subtracting Integers

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### Math Antics - Fractions Are Parts

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### Math Antics - Fractions Are Division

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### Math Antics - Types of Fractions

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### Math Antics - Fractions and Decimals

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### Math Antics - Converting Base-10 Fractions

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### Math Antics - Converting Any Fraction

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### Math Antics - Comparing Fractions

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### Math Antics - Multiplying Fractions

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### Math Antics - Simplifying Fractions

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