Search Results: "Pen"

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20:22
Napoleon's Peninsular Campaigns

289 views / 0 likes - added 5 years ago

French forces get embroiled in the Iberian Peninsula More free lessons at: http://www.khanacademy.org/video?v=ALJGz4r_VF0
05:40
Percentage Tax on Hamburgers

357 views / 0 likes - added 5 years ago

What would happen if we have a percentage tax instead of a fixed dollar amount More free lessons at: http://www.khanacademy.org/video?v=xwOTlMaerEQ
12:15
Marginal Utility

266 views / 0 likes - added 5 years ago

Marginal utility and marginal benefit. How you would spend $5 on chocolate and fruit More free lessons at: http://www.khanacademy.org/video?v=Kf9KhwryQNE
07:42
Equalizing Marginal Utility per Dollar Spent

505 views / 0 likes - added 5 years ago

Why the marginal utility for dollar spent should be theoritically equal for the last increment of either good purchased More free lessons at: http://www.khanacademy.org/video?v=KbW6OiuRa1Y
08:43
Deriving Demand Curve from Tweaking Marginal Utility per Dollar

346 views / 0 likes - added 5 years ago

Seeing what happens to quantity demanded when price changes More free lessons at: http://www.khanacademy.org/video?v=4-_-wQc3EGE
05:44
Monopoly Basics

282 views / 0 likes - added 5 years ago

Thinking about what would happen with one airline. The opposite of perfect competition More free lessons at: http://www.khanacademy.org/video?v=77CApfQlTuE
08:58
Circular Flow of Income and Expenditures

330 views / 0 likes - added 5 years ago

Understanding the flow of resources in the simplest possible economy More free lessons at: http://www.khanacademy.org/video?v=Hfz1bwK5C4o
02:50
More on Final and Intermediate GDP Contributions

242 views / 0 likes - added 5 years ago

What happens when a good is not finished in a period More free lessons at: http://www.khanacademy.org/video?v=C1pHvEAKmLA
04:49
Income and Expenditure Views of GDP

274 views / 0 likes - added 5 years ago

Looking at a simple model of an economy More free lessons at: http://www.khanacademy.org/video?v=Z9b8nnvpim0
04:58
Components of GDP

272 views / 0 likes - added 5 years ago

Understanding the components of the expenditure view of GDP. Consumption, investment, government spending and net exports More free lessons at: http://www.khanacademy.org/video?v=Rgr1vRjxzFg
05:58
Examples of Accounting for GDP

260 views / 0 likes - added 5 years ago

Thinking about how different types of expenditures would be accounted for in GDP More free lessons at: http://www.khanacademy.org/video?v=BMNj7-Okclk
09:53
MPC and Multiplier

272 views / 0 likes - added 5 years ago

Introduction to the marginal propensity to consume and the multiplier More free lessons at: http://www.khanacademy.org/video?v=O_Oozju3RRI
07:25
Consumption Function with Income Dependent Taxes

374 views / 0 likes - added 5 years ago

Thinking about a consumption function where taxes are also a function of income (which is more realistic than constant taxes) More free lessons at: http://www.khanacademy.org/video?v=wHPGFPIcILM
09:20
Keynesian Cross

257 views / 0 likes - added 5 years ago

Analyzing planned expenditures versus actual output using the Keynesian Cross More free lessons at: http://www.khanacademy.org/video?v=sTw0e-hwYAQ
11:45
Details on Shifting Aggregate Planned Expenditures

245 views / 0 likes - added 5 years ago

Showing how a change in government spending can lead to a new equilibrium More free lessons at: http://www.khanacademy.org/video?v=xF_Z4QK0tsA
10:27
Keynesian Cross and the Multiplier

255 views / 0 likes - added 5 years ago

More on shifting aggregate planned expenditures. Connecting to the multiplier More free lessons at: http://www.khanacademy.org/video?v=aSY8XPGChAU
07:09
Government Spending and the IS-LM model

298 views / 0 likes - added 5 years ago

How a change in fiscal policy shifts the IS curve More free lessons at: http://www.khanacademy.org/video?v=pzQnc_0eZA8
04:54
Independent and Dependent Systems

272 views / 0 likes - added 5 years ago

u14_l1_t1_we4 Independent and Dependent Systems
06:42
u14 l1 t1 we INT Consistent System of Independent Equations t2

235 views / 0 likes - added 5 years ago
09:39
Open-ended mutual funds

250 views / 0 likes - added 5 years ago

Mutual fund basics More free lessons at: http://www.khanacademy.org/video?v=zqRxV9ICn4I
09:24
Stepping Through the Factorial Program

341 views / 0 likes - added 5 years ago

Stepping through what happens when a user inputs a particular value into our factorial program
09:12
Diagramming What Happens with a Function Call

345 views / 0 likes - added 5 years ago

Variable scope and function calls
02:31
Perpendicular Line Slope

294 views / 0 likes - added 5 years ago

u13 l2 t3 we1 Perpendicular Line Slope More free lessons at: http://www.khanacademy.org/video?v=ndPq7gbin7A
10:26
IIT JEE Perpendicular Planes (Part 1)

554 views / 0 likes - added 5 years ago

2010 IIT JEE Paper 1 #30 normal vector and planes (Part 1) More free lessons at: http://www.khanacademy.org/video?v=2u535-HVJ_o
08:05
IIT JEE Perpendicular Plane (part 2)

468 views / 0 likes - added 5 years ago

2010 IIT JEE Paper 1 #30 normal vector and planes (Part 2) More free lessons at: http://www.khanacademy.org/video?v=66pQLO--Ghk
12:04
Precession Causing Perihelion to Happen Later

349 views / 0 likes - added 5 years ago

Clarifying the effect of axial precession on the calendar and the date of perihelion and aphelion More free lessons at: http://www.khanacademy.org/video?v=2o-Sef6wllg
03:35
Identifying Parallel and Perpendicular Lines

550 views / 0 likes - added 5 years ago

u07_l1_t2_we1 Identifying Parallel and Perpendicular Lines More free lessons at: http://www.khanacademy.org/video?v=aq_XL6FrmGs Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
11:33
Ring-opening Sn2 reaction of expoxides

400 views / 0 likes - added 5 years ago

Ring-opening Sn2 reaction of expoxides
03:29
Perpendicular Lines

468 views / 1 likes - added 5 years ago

U04_L2_T2_we1 : Perpendicular Lines More free lessons at: http://www.khanacademy.org/video?v=0671cRNjeKI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
03:01
Perpendicular lines 2

277 views / 0 likes - added 5 years ago

U04_L2_T2_we2 : Perpendicular lines 2 More free lessons at: http://www.khanacademy.org/video?v=TsEhZRT16LU Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:39
U12_L2_T2_we1 Independent Events 1

266 views / 0 likes - added 5 years ago

U12_L2_T2_we1 Independent Events 1 More free lessons at: http://www.khanacademy.org/video?v=Za7G_eWKiF4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
04:44
Independent Events 2

310 views / 0 likes - added 5 years ago

U12_L2_T2_we2 Independent Events 2 More free lessons at: http://www.khanacademy.org/video?v=VWAfEbgf1Po Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:28
Independent Events 3

308 views / 0 likes - added 5 years ago

U12_L2_T2_we3 Independent Events 3 More free lessons at: http://www.khanacademy.org/video?v=2MYA8Ba2PvM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
02:23
Probability of Dependent Events

349 views / 0 likes - added 5 years ago

U12_L2_T4_we2 Probability of Dependent Events More free lessons at: http://www.khanacademy.org/video?v=l9ft9jpriNA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
10:51
Probability of Dependent Events 2

300 views / 0 likes - added 5 years ago

U12_L2_T4_we3 Probability of Dependent Events 2 More free lessons at: http://www.khanacademy.org/video?v=ccrYD6iX_SY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
09:13
Equations of Parallel and Perpendicular Lines

277 views / 0 likes - added 5 years ago

Equations of Parallel and Perpendicular Lines More free lessons at: http://www.khanacademy.org/video?v=9hryH94KFJA
25:16
Punnett Square Fun

393 views / 0 likes - added 5 years ago

Dihybrid crosses. Independent assortment. Incomplete dominance. Codominance and multiple alleles. More free lessons at: http://www.khanacademy.org/video?v=D5ymMYcLtv0
20:16
Photosynthesis: Light Reactions 1

394 views / 0 likes - added 5 years ago

Details on the light-dependent reactions of photosynthesis More free lessons at: http://www.khanacademy.org/video?v=GR2GA7chA_c
13:28
Photosynthesis: Calvin Cycle

345 views / 1 likes - added 5 years ago

The Calvin Cycle or the light-independent (dark) reactions of photosythesis More free lessons at: http://www.khanacademy.org/video?v=slm6D2VEXYs
08:37
CAM Plants

397 views / 0 likes - added 5 years ago

How CAM Plants are able to fix carbon at night so they don't have to keep their stomata open during the day More free lessons at: http://www.khanacademy.org/video?v=xp6Zj24h8uA
13:57
Suspensions, Colloids and Solutions

370 views / 0 likes - added 5 years ago

Suspensions, Colloids and Solutions. The difference between Molarity and Molality. More free lessons at: http://www.khanacademy.org/video?v=3ROWXs3jtQU
07:25
Brain Teaser: Blue Forehead Room

540 views / 0 likes - added 5 years ago

What happens when 100 perfect logicians have to figure out if they each have a blue forehead? More free lessons at: http://www.khanacademy.org/video?v=rBaCDC52NOY
10:25
Bailout 7: Bank goes into bankruptcy

430 views / 0 likes - added 5 years ago

What happens when there is no equity infusion and the bank goes in to bankruptcy. More free lessons at: http://www.khanacademy.org/video?v=MdIfefLcdoU
11:53
Bailout 8: Systemic Risk

395 views / 0 likes - added 5 years ago

How the banks are connected. What happens when one bank fails. More free lessons at: http://www.khanacademy.org/video?v=gX9aKDeAOz4
12:28
Banking 13: Open Market Operations

427 views / 0 likes - added 5 years ago

Tools of the Central Bank to increase the money supply. More free lessons at: http://www.khanacademy.org/video?v=BTNarhvGX88
11:42
Banking 14: Fed Funds Rate

464 views / 0 likes - added 5 years ago

How open market operations effect the rate at which banks lend to each other overnight. More free lessons at: http://www.khanacademy.org/video?v=IniG1KkPS2c
10:13
Banking 17: What happened to the gold?

487 views / 0 likes - added 5 years ago

Getting off the gold standard. A short discussion of the meaning of wealth. More free lessons at: http://www.khanacademy.org/video?v=NFDMXwwzyIM
10:28
Complex roots of the characteristic equations 1

326 views / 0 likes - added 5 years ago

What happens when the characteristic equations has complex roots?! More free lessons at: http://www.khanacademy.org/video?v=6xEO4BeawzA
10:24
Complex roots of the characteristic equations 2

328 views / 0 likes - added 5 years ago

What happens when the characteristic equation has complex roots? More free lessons at: http://www.khanacademy.org/video?v=jJyRrIZ595c
11:58
Repeated roots of the characteristic equation

270 views / 0 likes - added 5 years ago

What happens when the characteristic equation only has 1 repeated root? More free lessons at: http://www.khanacademy.org/video?v=NW9JfMvIsxw
15:46
Linear Algebra: Introduction to Linear Independence

323 views / 0 likes - added 5 years ago

Linear Algebra: Introduction to linear dependence and independence More free lessons at: http://www.khanacademy.org/video?v=CrV1xCWdY-g
17:38
More on linear independence

328 views / 0 likes - added 5 years ago

More examples determining linear dependence or independence. More free lessons at: http://www.khanacademy.org/video?v=Alhcv5d_XOs
16:53
Span and Linear Independence Example

308 views / 0 likes - added 5 years ago

Determining whether 3 vectors are linearly independent and/or span R3 More free lessons at: http://www.khanacademy.org/video?v=9kW6zFK5E5c
11:35
Null Space 3: Relation to Linear Independence

430 views / 0 likes - added 5 years ago

Understanding how the null space of a matrix relates to the linear independence of its column vectors More free lessons at: http://www.khanacademy.org/video?v=vFctYRhK2M0
08:33
Showing relation between basis cols and pivot cols

385 views / 0 likes - added 5 years ago

Showing that linear independence of pivot columns implies linear independence of the corresponding columns in the original equation More free lessons at: http://www.khanacademy.org/video?v=BfVjTOjvI30
18:11
Image of a subset under a transformation

400 views / 0 likes - added 5 years ago

Exploring what happens to a subset of the domain under a transformation More free lessons at: http://www.khanacademy.org/video?v=MIAmN5kgp3k
10:25
Linear Algebra: Determinant after row operations

412 views / 0 likes - added 5 years ago

What happens to the determinant when we perform a row operation More free lessons at: http://www.khanacademy.org/video?v=kpG7xySkivg
12:34
Lin Alg: Showing that A-transpose x A is invertible

452 views / 0 likes - added 5 years ago

Showing that (transpose of A)(A) is invertible if A has linearly independent columns More free lessons at: http://www.khanacademy.org/video?v=ESSMQH6Y5OA
06:00
Compound Probability of Independent Events

462 views / 0 likes - added 5 years ago

Probability of particular sequences of flips More free lessons at: http://www.khanacademy.org/video?v=xSc4oLA9e8o
09:01
Dependent Probability Example 1

512 views / 0 likes - added 5 years ago

Example of the type of problem in the Khan Academy Dependent Probability module More free lessons at: http://www.khanacademy.org/video?v=xPUm5SUVzTE
06:34
Dependent Probability Example 2

499 views / 0 likes - added 5 years ago

Another example of dependent probability More free lessons at: http://www.khanacademy.org/video?v=7BkcNLOf56w
08:51
Projectile Height Given Time

374 views / 0 likes - added 5 years ago

Figuring out how high a ball gets given how long it spends in the air More free lessons at: http://www.khanacademy.org/video?v=IYS4Bd9F3LA
12:43
Inclined Plane Force Components

438 views / 0 likes - added 5 years ago

Figuring out the components of the force due to gravity that are parallel and perpendicular to the surface of an inclined plane More free lessons at: http://www.khanacademy.org/video?v=TC23wD34C7k
11:29
Proof (Advanced): Field from infinite plate (part 2)

437 views / 0 likes - added 5 years ago

We see that the infinite, uniformly charged plate generates a constant electric field (independent of the height above the plate) More free lessons at: http://www.khanacademy.org/video?v=TxwE4_dXo8s
10:48
Magnetism 3

303 views / 0 likes - added 5 years ago

Whats happens when a speeding proton goes through a magnetic field More free lessons at: http://www.khanacademy.org/video?v=LTuGQy4rmmo
09:47
Tides: Crash Course Astronomy #8

543 views / 1 likes - added 5 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
10:17
Introduction to the Solar System: Crash Course Astronomy #9

640 views / 1 likes - added 5 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
14:37
Exploring the Universe: Crash Course Big History #2

425 views / 0 likes - added 5 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
15:05
The Evolutionary Epic: Crash Course Big History #5

399 views / 0 likes - added 5 years ago

In which John Green, Hank Green, and Emily Graslie teach you about evolution. So, in the last 3.8 billion years, life on Earth has evolved from single-celled prokaryotes to the dizzying array of life we have today. So how did all this happen? We'll talk a
12:20
The Anthropocene and the Near Future: Crash Course Big History #9

439 views / 0 likes - added 5 years ago

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
13:28
Islam and Politics: Crash Course World History 216

586 views / 0 likes - added 5 years ago

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
11:02 Popular
World War II, A War for Resources: Crash Course World History #220

1,050 views / 9 likes - added 5 years ago

In which John Green teaches you about World War II, and some of the causes behind the war. In a lot of ways, WWII was about resources, and especially about food. The expansionist aggression of both Germany and Japan were in a lot of ways about resources.
12:14
War and Nation Building in Latin America: Crash Course World History 225

580 views / 0 likes - added 5 years ago

In which John Green teaches you about nation building and nationalism in Latin America. Sometimes, the nations of Latin America get compared to the nations of Europe, and are found wanting. This is kind of a silly comparison. The rise of democratic, econo
10:14
The Chemical Mind - Crash Course Psychology #3

613 views / 0 likes - added 5 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.
13:34
Water and Solutions -- for Dirty Laundry: Crash Course Chemistry #7

497 views / 0 likes - added 5 years ago

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

345 views / 0 likes - added 5 years ago

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
11:35
Real Gases: Crash Course Chemistry #14

333 views / 0 likes - added 5 years ago

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
11:55
Partial Pressures&Vapor Pressure: Crash Course Chemistry #15

364 views / 0 likes - added 5 years ago

This week we continue to spend quality time with gases, more deeply investigating some principles regarding pressure - including John Dalton's Law of Partial Pressures, vapor pressure - and demonstrating the method for collecting gas over water. Table of
11:24
Enthalpy: Crash Course Chemistry #18

419 views / 0 likes - added 5 years ago

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
09:46
Atomic Hook-Ups - Types of Chemical Bonds: Crash Course Chemistry #22

452 views / 0 likes - added 5 years ago

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
09:57
Kinetics: Chemistry's Demolition Derby - Crash Course Chemistry #32

339 views / 0 likes - added 5 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.
09:18
Doing Solids: Crash Course Chemistry #33

343 views / 0 likes - added 5 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.
11:20
The Black Legend, Native Americans, and Spaniards: Crash Course US History #1

472 views / 1 likes - added 5 years ago

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
11:38
The Quakers, the Dutch, and the Ladies: Crash Course US History #4

431 views / 2 likes - added 5 years ago

In which John Green teaches you about some of the colonies that were not in Virginia or Massachussetts. Old New York was once New Amsterdam. Why they changed it, I can say; ENGLISH people just liked it better that way, and when the English took New Amster
10:40 Popular
The Seven Years War and the Great Awakening: Crash Course US History #5

14.6k views / 180 likes - added 5 years ago

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

426 views / 1 likes - added 5 years ago

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
13:19
Thomas Jefferson&His Democracy: Crash Course US History #10

551 views / 3 likes - added 5 years ago

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
05:28
History of the 4th of July: Crash Course US History Special

482 views / 2 likes - added 5 years ago

In which John Green teaches you a bit about the 4th of July. In this special short Crash Course, John celebrates American Independence Day by teaching you how the holiday came to be on the 4th of July, and the many ways that Americans celebrate the day. T
14:04 Popular
American Imperialism: Crash Course US History #28

750 views / 0 likes - added 5 years ago

In which John Green teaches you about Imperialism. In the late 19th century, the great powers of Europe were running around the world obtaining colonial possessions, especially in Africa and Asia. The United States, which as a young country was especially
14:27 Popular
The Great Depression: Crash Course US History #33

1,206 views / 4 likes - added 5 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
14:57 Popular
The New Deal: Crash Course US History #34

927 views / 0 likes - added 5 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
15:15
The 1960s in America: Crash Course US History #40

558 views / 0 likes - added 5 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
07:00
How and Why We Read: Crash Course English Literature #1

582 views / 2 likes - added 5 years ago

In which John Green kicks off the Crash Course Literature mini series with a reasonable set of questions. Why do we read? What's the point of reading critically. John will argue that reading is about effectively communicating with other people. Unlike a d
12:42
Of Pentameter&Bear Baiting - Romeo&Juliet Part I: Crash Course English Literature #2

447 views / 0 likes - added 5 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
11:32
Langston Hughes&the Harlem Renaissance: Crash Course Literature 215

494 views / 1 likes - added 5 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
11:35
Eukaryopolis - The City of Animal Cells: Crash Course Biology #4

654 views / 0 likes - added 5 years ago

Hank tells us about the city of Eukaryopolis - the animal cell that is responsible for all the cool things that happen in our bodies. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-Series-DVD-Se
13:15
Photosynthesis: Crash Course Biology #8

689 views / 2 likes - added 5 years ago

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
10:48
Mitosis: Splitting Up is Complicated - Crash Course Biology #12

446 views / 0 likes - added 5 years ago

Hank describes mitosis and cytokinesis - the series of processes our cells go through to divide into two identical copies. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-Series-DVD-Set Like Cras
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11:53
The Digestive System: CrashCourse Biology #28

690 views / 3 likes - added 5 years ago

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
15:02
Your Immune System: Natural Born Killer - Crash Course Biology #32

561 views / 0 likes - added 5 years ago

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
10:26 Popular
Ecology - Rules for Living on Earth: Crash Course Biology #40

904 views / 0 likes - added 5 years ago

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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09:35
Indus Valley Civilization: Crash Course World History #2

579 views / 0 likes - added 5 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
12:26
The Roman Empire. Or Republic. Or...Which Was It?: Crash Course World History #10

653 views / 0 likes - added 5 years ago

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
12:44
Fall of The Roman Empire...in the 15th Century: Crash Course World History #12

620 views / 2 likes - added 5 years ago

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
10:38 Popular
Columbus, de Gama, and Zheng He! 15th Century Mariners. Crash Course: World History #21

828 views / 0 likes - added 5 years ago

In which John Green teaches you about the beginning of the so-called Age of Discovery. You've probably heard of Christopher Columbus, who "discovered" America in 1492, but what about Vasco da Gama? How about Zheng He? Columbus gets a bad rap from many mod
12:20 Popular
The Seven Years War: Crash Course World History #26

799 views / 3 likes - added 5 years ago

In which John teaches you about the Seven Years War, which may have lasted nine years. Or as many as 23. It was a very confusing was. The Seven Years War was a global war, fought on five continents, which is kind of a lot. John focuses on the war as it ha
10:33
The Amazing Life and Strange Death of Captain Cook: Crash Course World History #27

473 views / 1 likes - added 5 years ago

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
11:27 Popular
Tea, Taxes, and The American Revolution: Crash Course World History #28

793 views / 5 likes - added 5 years ago

In which John Green teaches you about the American Revolution and the American Revolutionary War, which it turns out were two different things. John goes over the issues and events that precipitated rebellion in Britain's American colonies, and he also ex
11:05
Coal, Steam, and The Industrial Revolution: Crash Course World History #32

528 views / 0 likes - added 5 years ago

Mongols Shirts and Crash Course Posters! http://www.dftba.com/crashcourse In which John Green wraps up revolutions month with what is arguably the most revolutionary of modern revolutions, the Industrial Revolution. While very few leaders were beheaded in
12:11
Communists, Nationalists, and China's Revolutions: Crash Course World History #37

503 views / 2 likes - added 5 years ago

Don't forget! Crash Course posters and t-shirts at http://www.dftba.com/crashcourse In which John Green teaches you about China's Revolutions. While the rest of the world was off having a couple of World Wars, China was busily uprooting the dynastic syste
13:13 Popular
World War II: Crash Course World History #38

1,043 views / 1 likes - added 5 years ago

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. In which John Green teaches you about World War II, aka The Great Patriotic War, aka The Big One. So how did this war happen? And wha
12:16
USA vs USSR Fight! The Cold War: Crash Course World History #39

545 views / 0 likes - added 5 years ago

In which John Green teaches you about the Cold War, which was occasionally hot, but on average, it was just cool. In the sense of its temperature. It was by no means cool, man. After World War II, there were basically two big geopolitical powers left to d
12:49
Decolonization and Nationalism Triumphant: Crash Course World History #40

440 views / 0 likes - added 5 years ago

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
01:34
Sesame Street: Nia Long Divides

311 views / 0 likes - added 5 years ago

Divide means to separate things into different groups or sections. Nia Long and Abby Cadabby demonstrate by dividing a group of birds. Can you separate the chickens from the penguins? How many are there of each? Subscribe to the Sesame Street Channel here
03:36
Sesame Street: Leonardo da Crunchy's "The Muncha Lisa"

339 views / 0 likes - added 5 years ago

Behold a masterpiece of cookie art -"The Muncha Lisa." Do you ever wonder what was happening at Leonardo da Crunchy's studio when Muncha Lisa struck her famous stare? Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?
01:51
Sesame Street: Catch the Cookie Thief!

404 views / 0 likes - added 5 years ago

There's a thief on the loose who has snatched up all the Cookie Art at the Cookie Museum. Who is the prime suspect? Why is the thief taking all the cookie art? Will Rachel Dratch and her posse of police penguins pin the perpetrator? Find out on PBS on Feb
03:37
Sesame Street: Oscar Plays the Trading Game

310 views / 0 likes - added 5 years ago

It’s time for the Trading Game with TV's terrific trader, Guy Smiley. Today's contestants are Sally Screamer and Oscar the Grouch. Oscar is hoping he'll win something cruddy and rusty, and Sally is hoping for something pretty. Watch what happens on today'
01:37
Sesame Street: Imagine It's Something Else

370 views / 0 likes - added 5 years ago

If you are just dying to open your presents but mom and dad and grammy and grampy say you have to wait, you can just imagine its not a present and then you won't want to open it. Imagine it's a porcupine or a crocodile and then you won't want to touch tha
02:11
Sesame Street: Elmo and Ice Cube are Astounded

301 views / 0 likes - added 5 years ago

Astouding is when something is so amazing, it catches you by surprise. For example, making a penny disappear, pulling a Dinosaur out of a hat, and turning Ice Cube into an Ice Cube are all astounding magic tricks you can watch in this video. Subscribe to
01:18
Sesame Street: Stop and Think Song

465 views / 0 likes - added 5 years ago

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
06:17
Sesame Street: Super Grover at The Penguin Party

477 views / 0 likes - added 5 years ago

It's dance time for these four penguins. But there's an icy obstacle in the way of their dance floor. Luckily Super Grover 2.0 shows up to unleash his powers of technology to move the iceberg so that the dancing festivities can continue. Subscribe to the
01:16
Sesame Street: Before You Arrive At School

266 views / 0 likes - added 5 years ago

School is a magical place where you learn and make friends and the desks and chairs and easel dance around the classroom every morning before you arrive. What? You didn't know that happened? Subscribe to the Sesame Street Channel here: http://www.youtube.
01:40
Sesame Street: Bert&Ernie Imagine

320 views / 0 likes - added 5 years ago

Your imagination is where all kinds of neat things can happen. Your room could turn into something totally cool like a fish tank, or your bed could really be a race car. Imagine you are a fish driving that race car? What would that feel like? What kinds o
03:08
Sesame Street: Cookie Monster Makes Kermit Mad

483 views / 1 likes - added 5 years ago

How do you know someone is happy? Well, typically, a happy person is smiling and being friendly and all that nice stuff; however, if you happen to eat the very prop this person was using to demonstrate what it's like to be happy, he may become mad. How do
00:54
Sesame Street: C is for Cookie (with Pentatonix)

487 views / 1 likes - added 5 years ago

C is for Cookie. That's good enough for me, and Cookie Monster, and the members of Pentatonix. 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
01:34
Sesame Street: Words That Start with M

347 views / 0 likes - added 5 years ago

Let's spend the day with the letter M. Start off making some muffins with milk in the morning. Maybe then you win a medal for making such marvelous muffins. Might want to clean up if things get a little messy. By that time, the moon will be out and it wil
03:20
Sesame Street: Pentatonix Counts (&Sings) to Five

697 views / 0 likes - added 5 years ago

Nobody has ever counted to five as beautifully and harmoniously as Pentatonix has. Make sure to check out their backstage mashup of "C is for Cookie" and "Rubber Duckie:" http://goo.gl/f1p2f9 Tune in to see Pentatonix on Sesame Street February 7th on PBS
03:50 Popular
Sesame Street: Murray Goes to Gardening School

1,394 views / 0 likes - added 5 years ago

Imagine a school entirely devoted to flowers! Murray and Ovejita just so hapen to be visiting that school today. Learn to plant seeds with Murray, and don't forget to stop and smell the roses. Subscribe to the Sesame Street Channel here: http://www.youtub
00:45
Sesame Street: Cold Snowman

315 views / 0 likes - added 5 years ago

Do snowmen get cold? They're made out of snow after all, and they spend so much time outside. They've got to get cold at some point. Watch this video and see what the snowmen think. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subsc
01:38
Sesame Street: Jingle Bells with Brad Paisley and Grover

358 views / 0 likes - added 5 years ago

Dashing through the snow in a one horse open sleigh, Brad Paisley and Grover rock out with this bluegrass rendition of Christmas Classic, Jingle Bells. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=Sesame
02:53
Sesame Street: Transylvania 1-2-3-4-5 Song

538 views / 0 likes - added 5 years ago

Welcome to open stage night at Birdland. Put your wings up for tonight's first musical treat. It's The Count and his All-Bat Band performing Transylvania 1-2-3-4-5! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?ad
04:42
Sesame Street: Sesame Street's Search for a New Hispanic Neighbor -- Part One

623 views / 1 likes - added 5 years ago

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 one features the open casting call held in New York City. Subscribe to the Sesame Street Channel h
03:16
Sesame Street: Melissa McCarthy and Elmo - Choreographer

252 views / 0 likes - added 5 years ago

Melissa McCarthy, Elmo, and a penguin choreograph a new dance. 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 envir
56:50
Great Museums: Elevated Thinking: The High Line in New York City

531 views / 1 likes - added 5 years ago

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
04:33
Great Museums Television: Highlights

315 views / 0 likes - added 5 years ago

GREAT MUSEUMS is an award-winning television series celebrating the museum world—in the U.S. and abroad—created by executive producers Marc Doyle and Chesney Blankenstein Doyle. The series opens the doors of museums to millions of viewers through public t
00:20
Rock and Roll Hall of Fame Induction with Great Museums

436 views / 0 likes - added 5 years ago

Great Museums films Cleveland's biggest party, an event that happens only every 3 years - Rock Hall's Induction Ceremony. Watch Executive Producer Marc Doyle at the scene of the festivities. See more at http://greatmuseums.org.
03:58
An Acquiring Mind: An Inside Look: The Exhibition

415 views / 0 likes - added 5 years ago

Webisode celebrating the Philippe de Montebello exhibition at The Metropolitan Museum of Art. "The Exhibition" offers exclusive interviews with Philippe de Montebello, footage from the Met's opening gala and the exhibition itself. For more information, vi
01:05
Isabella Stewart Gardner Museum (webisode)

332 views / 0 likes - added 5 years ago

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)

363 views / 0 likes - added 5 years ago

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
00:58
SUMMER TOUR ANNOUNCEMENT - WE’RE GOING ON THE ROAD WITH KELLY CLARKSON!!!

374 views / 0 likes - added 5 years ago

For all the tour pre-sale details, visit KellyClarkson.com NOW and check to see if we’re is coming to a city near you. See our upcoming On My Way Home World Tour dates below or head to PTXofficial.com. Can’t wait to see you!! _____________________________
03:44
[Yule Log Audio] The Christmas Song (Chestnuts Roasting on an Open Fire) - Pentatonix

359 views / 0 likes - added 5 years ago

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02:26
[Yule Log Audio] O Holy Night - Pentatonix

426 views / 0 likes - added 5 years ago

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03:36
[Yule Log Audio] O Come, O Come Emmanuel - Pentatonix

362 views / 1 likes - added 5 years ago

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04:12
[Yule Log Audio] Little Drummer Boy - Pentatonix

447 views / 1 likes - added 5 years ago

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03:04
[Yule Log Audio] Go Tell It On the Mountain - Pentatonix

349 views / 0 likes - added 5 years ago

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03:14
[Yule Log Audio] Carol of the Bells - Pentatonix

619 views / 0 likes - added 5 years ago

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03:42 Popular
[Yule Log Audio] Angels We Have Heard on High - Pentatonix

1,117 views / 2 likes - added 5 years ago

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Featured
04:24
[Yule Log Audio] This Christmas - Pentatonix

514 views / 1 likes - added 5 years ago

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03:04
Pentatonix Holiday Video Guide

347 views / 0 likes - added 5 years ago

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03:27
[Yule Log Audio] Let it Go - Pentatonix

390 views / 0 likes - added 5 years ago

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03:14
[Yule Log Audio] Silent Night - Pentatonix

451 views / 0 likes - added 5 years ago

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02:43
[Yule Log Audio] Santa Claus is Coming to Town - Pentatonix

456 views / 1 likes - added 5 years ago

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03:06
[Yule Log Audio] It's the Most Wonderful Time of the Year - Pentatonix

356 views / 0 likes - added 5 years ago

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02:08
[Yule Log Audio] Dance of the Sugar Plum Fairy - Pentatonix

344 views / 0 likes - added 5 years ago

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03:24
[Yule Log Audio] Mary, Did you Know? - Pentatonix

488 views / 2 likes - added 5 years ago

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03:03
[Yule Log Audio] That's Christmas to Me - Pentatonix

383 views / 0 likes - added 5 years ago

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03:29
[Yule Log Audio] Winter Wonderland / Don't Worry Be Happy - Pentatonix ft Tori Kelly

389 views / 1 likes - added 5 years ago

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02:17
[Yule Log Audio] Sleigh Ride - Pentatonix

402 views / 0 likes - added 5 years ago

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02:48
[Yule Log Audio] White Winter Hymnal - Pentatonix

418 views / 0 likes - added 5 years ago

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03:10
[Yule Log Audio] Hark! The Herald Angels Sing - Pentatonix

419 views / 0 likes - added 5 years ago

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02:21 Popular
[Official Video] Dance of the Sugar Plum Fairy - Pentatonix

705 views / 1 likes - added 5 years ago

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03:42
[Official Video] Silent Night (Live) - Pentatonix

434 views / 3 likes - added 5 years ago

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03:25
[Official Video] That’s Christmas To Me - Pentatonix

580 views / 1 likes - added 5 years ago

WATCH OUR VLOG to Find Out What Christmas Means to PTX http://smarturl.it/PTXtctmVlog 2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smartu
04:05 Popular
[Official Video] Mary, Did You Know? - Pentatonix

955 views / 17 likes - added 5 years ago

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03:46
[Official Video] Winter Wonderland/Don’t Worry Be Happy - Pentatonix (ft Tori Kelly)

584 views / 1 likes - added 5 years ago

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14:35
That's Christmas to Me - Release Day Hangout

232 views / 0 likes - added 5 years ago

Join Pentatonix to discuss the release of their Christmas album. Ask questions at #AskPTX.
03:10 Popular
[Official Video] White Winter Hymnal - Pentatonix (Fleet Foxes Cover)

726 views / 8 likes - added 5 years ago

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04:10 Popular
[Official Video] Rather Be - Pentatonix (Clean Bandit Cover)

796 views / 2 likes - added 5 years ago

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04:14
[Official Video] Papaoutai– Pentatonix ft. Lindsey Stirling (Stromae Cover)

698 views / 0 likes - added 5 years ago

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00:27
[Trailer] Papaoutai– Pentatonix ft. Lindsey Stirling (Stromae Cover)

482 views / 0 likes - added 5 years ago

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04:11
[Official Video] La La Latch - Pentatonix (Sam Smith/Disclosure/Naughty Boy Mashup)

652 views / 2 likes - added 5 years ago

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03:38 Popular
[Official Video] Problem - Pentatonix (Ariana Grande Cover)

2,431 views / 18 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
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28:15
Pentatonix Google Hangout

317 views / 0 likes - added 5 years ago

Tune in as we have some BIG NEWS to share with you! If you have any questions you'd like us to answer. Add them below and we may just answer one of them.
00:25
PTX Vol. III Teaser

337 views / 0 likes - added 5 years ago

BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=tsr BUY PTX VOL I http://smarturl.it/PTXVol1?IQid=tsr | BUY PTX VOL II http://smarturl.it/PTXVolume2?IQid=tsr STREAM PTX VOL III ON SPOTIFY: http://smarturl.it/PTXVol3Spot?IQid=tsr STREAM PTX VOL I http://sm
01:35
[Official Video] We Are Ninjas | Inspired by Teenage Mutant Ninja Turtles Movie - Pentatonix

634 views / 1 likes - added 5 years ago

Watch our music video for“We Are Ninjas,” an original song inspired by the upcoming Teenage Mutant Ninja Turtles movie, in theaters August 8th! FOLLOW US: http://www.ptxofficial.com http://www.facebook.com/Pentatonix http://www.twitter.com/ptxofficial @pt
03:20 Popular
[Official Video] Love Again - Pentatonix

1,244 views / 6 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
03:23
Happy - Pentatonix (Pharrell Cover)

485 views / 3 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
04:40
[Official Video] Say Something - Pentatonix (A Great Big World&Christina Aguilera Cover)

668 views / 4 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
02:41
[Official Video] Valentine - Pentatonix (Jessie Ware&Sampha Cover)

487 views / 2 likes - added 5 years ago

ORDER PTXMAS DELUXE EDITION - http://smarturl.it/PTXmas?IQid=yt ORDER PTX VOL. 2 - http://smarturl.it/PTXVolume2?IQid=yt ORDER PTX VOL. 1 - http://smarturl.it/PTXVol1?IQid=yt http://www.ptxofficial.com http://www.twitter.com/ptxofficial @ptxofficial http:
04:26
[Official Video] Run to You - Pentatonix

436 views / 1 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
02:25
C is for Cookie/Rubber Ducky - Pentatonix feat. Cookie Monster

409 views / 0 likes - added 5 years ago

Check out our performance of the number medley on Sesame Street: http://bit.ly/1d46q4k Watch the full episode when it airs on TV: Feb 7, 2014 on PBS Kids ORDER PTXMAS DELUXE EDITION - http://smarturl.it/PTXmas?IQid=yt ORDER PTX VOL. 2 - http://smarturl.it
03:24
[Official Video] I Need Your Love - Pentatonix (Calvin Harris feat. Ellie Goulding Cover)

648 views / 3 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
04:36
[Official Video] Angels We Have Heard On High - Pentatonix

463 views / 4 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
04:14
[Official Video] Little Drummer Boy - Pentatonix

664 views / 3 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
02:17
[Official Video] Cruisin' for a Bruisin' - Pentatonix

530 views / 2 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
04:56
[Official Video] Daft Punk - Pentatonix

679 views / 9 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
06:11
Evolution of Beyoncé - Pentatonix

414 views / 0 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
08:25
PTX VOL. II - An Introduction

267 views / 0 likes - added 5 years ago

ORDER PTXMAS DELUXE EDITION - http://smarturl.it/PTXmas?IQid=yt ORDER PTX VOL. 2 - http://smarturl.it/PTXVolume2?IQid=yt ORDER PTX VOL. 1 - http://smarturl.it/PTXVol1?IQid=yt http://www.ptxofficial.com http://www.twitter.com/ptxofficial @ptxofficial http:
04:31 Popular
[Official Video] Royals - Pentatonix (Lorde Cover)

959 views / 5 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
04:09
[Official Video] Can't Hold Us - Pentatonix (Macklemore&Ryan Lewis cover)

680 views / 4 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
03:49
Pusher Love Girl - Pentatonix (Justin Timberlake Cover)

684 views / 1 likes - added 5 years ago

ORDER PTXMAS DELUXE EDITION - http://smarturl.it/PTXmas?IQid=yt ORDER PTX VOL. 2 - http://smarturl.it/PTXVolume2?IQid=yt ORDER PTX VOL. 1 - http://smarturl.it/PTXVol1?IQid=yt http://www.ptxofficial.com http://www.twitter.com/ptxofficial @ptxofficial http:
01:26
Oreo's "Wonderfilled" Song - Pentatonix

350 views / 0 likes - added 5 years ago

We were so excited when Oreo asked us to participate in their "Wonderfilled' Campaign! We roamed the streets of NYC singing our arrangement of this happy jingle, and we wanted to share this video with you before our next video drops on Monday! Enjoy :) To
04:29
Evolution of Music - Pentatonix

591 views / 1 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
04:22 Popular
[Official Video] Radioactive - Pentatonix&Lindsey Stirling (Imagine Dragons cover)

1,234 views / 14 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
03:29
Thrift Shop - Pentatonix (Macklemore&Ryan Lewis cover)

482 views / 1 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
04:37
[Official Video] Save the World/Don't You Worry Child - Pentatonix (Swedish House Mafia Cover)

537 views / 3 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
03:57
NSYNC Medley - Pentatonix

342 views / 0 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
04:11 Popular
[Official Video] Carol of the Bells - Pentatonix

892 views / 5 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY P
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03:15
[Official Video] Aha! - Pentatonix (Imogen Heap Cover)

685 views / 2 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
03:24 Popular
GANGNAM STYLE (강남 스타일) - Pentatonix (PSY Cover)

825 views / 1 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
03:36
Payphone - Pentatonix (Maroon 5 Cover)

496 views / 1 likes - added 5 years ago

2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h
07:08
PTX - An Introduction

294 views / 1 likes - added 5 years ago

ORDER PTXMAS DELUXE EDITION - http://smarturl.it/PTXmas?IQid=yt ORDER PTX VOL. 2 - http://smarturl.it/PTXVolume2?IQid=yt ORDER PTX VOL. 1 - http://smarturl.it/PTXVol1?IQid=yt http://www.ptxofficial.com http://www.twitter.com/ptxofficial @ptxofficial http:

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