Search Results: "Cel"
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13:14
Scale of the Small
691 views / 0 likes - addedFrom honey bees to cells, virus, and atoms -- understanding the scale of the very small More free lessons at: http://www.khanacademy.org/video?v=ERKx3Oa2omo
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09:11
Introduction to motion
606 views / 0 likes - addedIntroduction to basic physics of motion. Introduces the concept of variable velocity/acceleration.
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09:38
Introduction to motion (part 2)
486 views / 0 likes - addedMore on how velocity, distance, acceleration and time relate to each other.
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09:05
Projectile motion (part 3)
498 views / 0 likes - addedAn example of solving for the final velocity when you know the change in distance, time, initial velocity, and acceleration More free lessons at: http://www.khanacademy.org/video?v=Y5cSGxdDHz4
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08:58
Projectile motion (part 4)
447 views / 0 likes - addedSolving for time when you are given the change in distance, acceleration, and initial velocity More free lessons at: http://www.khanacademy.org/video?v=-W3RkgvLrGI
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10:08
Introduction to centripetal acceleration (part 1)
494 views / 0 likes - addedIntuition behind what it takes to make something travel in a circle
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10:11
Centripetal Acceleration (part 2)
479 views / 0 likes - addedMore intuition on centripetal acceleration. A simple orbit problem.
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10:01
Visual Proof: a= v^2/r
527 views / 0 likes - addedVisual proof that centripetal acceleration = v^2/r
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10:14
Calculus Proof that a=v^2/r
657 views / 0 likes - addedUsing calculus and vectors to show that centripetal acceleration = v^2/r
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07:41
Centripetal Acceleration (part 3)
436 views / 0 likes - addedHow fast does a car need to go to complete a loop-d-loop.
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02:50
Comparing Celsius and Farenheit temperature scales
593 views / 0 likes - addedU06_L3_T1_we1 Comparing Celsius and Farenheit temperature scales More free lessons at: http://www.khanacademy.org/video?v=aASUZqJCHHA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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02:58
Converting Farenheit to Celsius
532 views / 0 likes - addedU06_L3_T1_we2 Converting Farenheit to Celsius More free lessons at: http://www.khanacademy.org/video?v=NqbkvEK46xM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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02:15
Solving and graphing linear inequalities in two variables 1
462 views / 0 likes - addedU05_L2_T1_we1 : Solving and graphing linear inequalities in two variables More free lessons at: http://www.khanacademy.org/video?v=EoCeL4SPIcA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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19:55
Embryonic Stem Cells
515 views / 0 likes - addedAn overview of early development of a zygote to an embryo. Embryonic and somatic stem cells. More free lessons at: http://www.khanacademy.org/video?v=-yCIMk1x0Pk
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14:19
Introduction to Cellular Respiration
527 views / 0 likes - addedIntroduction to cellular respiration, glycolysis, the Kreb's Cycle, and the electron transport chain
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17:08
Oxidation and Reduction in Cellular Respiration
487 views / 0 likes - addedOxidation and reduction in cellular respiration. Reconciling the biology and chemistry definitions of oxidation and reduction. More free lessons at: http://www.khanacademy.org/video?v=_KyyVhlUDNU
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21:04
Parts of a cell
543 views / 1 likes - addedParts of a cell: nucleus, ribosomes, endoplasmic reticulum, Golgi bodies, mitochondria, chloroplasts, vacuoles, and vesicles
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16:30 Popular
Red blood cells
745 views / 0 likes - addedOxygen uptake by hemoglobin in red blood cells More free lessons at: http://www.khanacademy.org/video?v=fLKOBQ6cZHA
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13:53
Sodium Potassium Pump
434 views / 0 likes - addedHow a sodium potassium pump can maintain a voltage gradient across a cell or neuron's membrane More free lessons at: http://www.khanacademy.org/video?v=C_H-ONQFjpQ
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18:53
Electrotonic and Action Potentials
508 views / 0 likes - addedHow electrotonic and action potentials propagate down cells
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14:43 Popular
Role of the Sarcoplasmic Reticulum in Muscle Cells
876 views / 0 likes - addedThe role of the sarcoplasmic reticulum in controlling calcium ion concentrations within the muscle cell More free lessons at: http://www.khanacademy.org/video?v=SauhB2fYQkM
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16:32
Anatomy of a muscle cell
547 views / 0 likes - addedUnderstanding the structure of a muscle cell More free lessons at: http://www.khanacademy.org/video?v=uY2ZOsCnXIA
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16:20
Role of Phagocytes in Innate or Nonspecific Immunity
458 views / 0 likes - addedRole of phagocytes in innate or nonspecific immunity. Neutrophils, macrophages, and dendritic cells. MHC II. More free lessons at: http://www.khanacademy.org/video?v=O1N2rENXq_Y
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08:07
Types of immune responses: Innate and Adaptive. Humoral vs. Cell-Mediated
573 views / 0 likes - addedOverview of types of immune responses. Difference between innate and adaptive immunity. Differences between humoral adaptive immunity and cell-mediated adaptive immunity. More free lessons at: http://www.khanacademy.org/video?v=rp7T4IItbtM
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14:13 Popular
B Lymphocytes (B cells)
837 views / 0 likes - addedOverview of B cells (B lymphocytes) and how they are activated and produce antibodies More free lessons at: http://www.khanacademy.org/video?v=Z36dUduOk1Y
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11:33
Professional Antigen Presenting Cells (APC) and MHC II complexes
507 views / 0 likes - addedHow professional antigen presenting cells present parts of engulfed pathogens on MHC II complexes (major histocompatibility complexes). More free lessons at: http://www.khanacademy.org/video?v=j_kSmmEpvQk
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20:34
Helper T Cells
592 views / 0 likes - addedIntroduction to helper T cells and their role in activating B cells More free lessons at: http://www.khanacademy.org/video?v=uwMYpTYsNZM
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10:07
Cytotoxic T Cells
564 views / 0 likes - addedHow cytotoxic T cells get activated by MHC-I/antigen complexes and then proceed to kill infected cells More free lessons at: http://www.khanacademy.org/video?v=oqI4skjr6lQ
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11:07
Review of B cells, CD4+ T cells and CD8+ T cells
595 views / 0 likes - addedReview of B cells, CD4+ T cells and CD8+ T cells More free lessons at: http://www.khanacademy.org/video?v=xaz5ftvZCyI
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10:46
Binomial Distribution 4
548 views / 0 likes - addedUsing Excel to visualize the basketball binomial distribution More free lessons at: http://www.khanacademy.org/video?v=H0ZgOGWUcJw
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26:04 Popular
Normal Distribution Excel Exercise
1,630 views / 0 likes - added(Long-26 minutes) Presentation on spreadsheet to show that the normal distribution approximates the binomial distribution for a large number of trials. More free lessons at: http://www.khanacademy.org/video?v=yTGEMoaWDCQ
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09:06 Popular
Acceleration
810 views / 0 likes - addedCalculating the acceleration of a Porshe More free lessons at: http://www.khanacademy.org/video?v=FOkQszg1-j8
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08:08
Airbus A380 Take-off Time
500 views / 0 likes - addedFiguring how long it takes an a380 to take off given a constant acceleration More free lessons at: http://www.khanacademy.org/video?v=p4DTormtEG0
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14:10
Average Velocity for Constant Acceleration
514 views / 0 likes - addedCalculating average velocity when acceleration is constant More free lessons at: http://www.khanacademy.org/video?v=MAS6mBRZZXA
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14:16
Acceleration of Aircraft Carrier Takeoff
605 views / 0 likes - addedUsing what we know about takeoff velocity and runway length to determine acceleration More free lessons at: http://www.khanacademy.org/video?v=VYgSXBjEA8I
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04:49
Race Cars with Constant Speed Around Curve
647 views / 0 likes - addedWhen acceleration could involve a change in direction and not speed More free lessons at: http://www.khanacademy.org/video?v=ITA1rW5UraU
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15:43
Introduction to Gravity
669 views / 0 likes - addedBasics of gravity and the Law of Universal Gravitation More free lessons at: http://www.khanacademy.org/video?v=Xcel427Ezl0
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09:58
Deriving Displacement as a Function of Time, Acceleration and Initial Velocity
498 views / 0 likes - addedDeriving displacement as a function of time, constant acceleration and initial velocity More free lessons at: http://www.khanacademy.org/video?v=wlB0x9W-qBU
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16:18
Plotting Projectile Displacement, Acceleration, and Velocity
504 views / 0 likes - addedPlotting projectile displacement, acceleration, and velocity as a function to change in time More free lessons at: http://www.khanacademy.org/video?v=T0zpF_j7Mvo
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11:49
Normal Force in an Elevator
543 views / 0 likes - addedHow the normal force changes when an elevator accelerates More free lessons at: http://www.khanacademy.org/video?v=hoRsHNSrMpc
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10:37
Ice Accelerating Down an Incline
483 views / 0 likes - addedFiguring out the acceleration of ice down a plane made of ice More free lessons at: http://www.khanacademy.org/video?v=Mz2nDXElcoM
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09:29
Tension in an accelerating system and pie in the face
648 views / 0 likes - addedThe second part to the complicated problem. We figure out the tension in the wire connecting the two masses. Then we figure our how much we need to accelerate a pie for it to safely reach a man's face. More free lessons at: http://www.khanacademy.org/vide
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10:47
Centripetal Force and Acceleration Intuition
637 views / 0 likes - addedThe direction of the force in cases of circular motion at constant speeds More free lessons at: http://www.khanacademy.org/video?v=vZOk8NnjILg
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09:48
Visual Understanding of Centripetal Acceleration Formula
635 views / 0 likes - addedVisual understanding of how centripetal acceleration relates to velocity and radius More free lessons at: http://www.khanacademy.org/video?v=NH1_sO8QY3o
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14:22
Calculus proof of centripetal acceleration formula
625 views / 0 likes - addedProving that a = v^2/r More free lessons at: http://www.khanacademy.org/video?v=XjCEumlJBno
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10:13 Popular
Acceleration Due to Gravity at the Space Station
729 views / 0 likes - addedWhat is the acceleration due to gravity at the space station More free lessons at: http://www.khanacademy.org/video?v=R5CRZONOHCU
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07:31 Popular
Viewing g as the value of Earth's Gravitational Field Near the Surface
1,185 views / 0 likes - addedViewing g as the value of Earth's gravitational field near the surface rather than the acceleration due to gravity near Earth's surface for an object in freefall More free lessons at: http://www.khanacademy.org/video?v=1E3Z_R5AHdg
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10:17 Popular
Introduction to the Solar System: Crash Course Astronomy #9
980 views / 1 likes - addedIn today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today. This episode is sponsored by Squaresp
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10:16 Popular
Tissues, Part 2 - Epithelial Tissue: Crash Course A&P #3
1,541 views / 0 likes - added•••SUBBABLE MESSAGE••• TO : Phoebe and James McMullan FROM : Dad Continue being awesome Phoebe&James from John&Hank! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
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10:29 Popular
Tissues, Part 3 - Connective Tissues: Crash Course A&P #4
1,139 views / 0 likes - added•••SUBBABLE MESSAGE••• TO: Ashley FROM: Fee Happy birthday nerd also I love you lots and lots *** 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 y
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09:40 Popular
The Integumentary System, Part 1 - Skin Deep: Crash Course A&P #6
859 views / 0 likes - added•••SUBBABLE MESSAGE••• TO: Ciaran FROM: your sister Jillian Happy birthday! Hope you enjoy being immortalized via doobly-doo! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with ev
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10:36 Popular
The Nervous System, Part 1: Crash Course A&P #8
1,172 views / 1 likes - added•••SUBBABLE MESSAGE••• TO: Kerry FROM: Cale I love you with all my ha-art. Deadset. *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can aff
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15:05 Popular
The Evolutionary Epic: Crash Course Big History #5
997 views / 0 likes - addedIn 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
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09:04 Popular
Electrochemistry: Crash Course Chemistry #36
1,488 views / 0 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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10:34 Popular
The Global Carbon Cycle - Crash Course Chemistry #46
1,702 views / 0 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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05:28 Popular
History of the 4th of July: Crash Course US History Special
823 views / 3 likes - addedIn 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
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14:09 Popular
Biological Molecules - You Are What You Eat: Crash Course Biology #3
1,531 views / 0 likes - addedHank talks about the molecules that make up every living thing - carbohydrates, lipids, and proteins - and how we find them in our environment and in the food that we eat. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCou
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11:35 Popular
Eukaryopolis - The City of Animal Cells: Crash Course Biology #4
1,094 views / 0 likes - addedHank 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
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11:45 Popular
In Da Club - Membranes&Transport: Crash Course Biology #5
730 views / 0 likes - addedHank 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
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10:28 Popular
Plant Cells: Crash Course Biology #6
1,486 views / 1 likes - addedHank describes why plants are so freaking amazing - discussing their evolution, and how their cells are both similar to&different from animal cells. Crash Course Biology now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-S
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13:26 Popular
ATP&Respiration: Crash Course Biology #7
842 views / 0 likes - addedIn 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
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13:15 Popular
Photosynthesis: Crash Course Biology #8
1,046 views / 3 likes - addedHank 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
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12:59 Popular
DNA Structure and Replication: Crash Course Biology #10
1,186 views / 0 likes - addedHank introduces us to that wondrous molecule deoxyribonucleic acid - also known as DNA - and explains how it replicates itself in our cells. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-Series
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14:08 Popular
DNA, Hot Pockets,&The Longest Word Ever: Crash Course Biology #11
1,123 views / 0 likes - addedHank 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
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10:48 Popular
Mitosis: Splitting Up is Complicated - Crash Course Biology #12
1,411 views / 0 likes - addedHank 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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11:43 Popular
Cell Meiosis: Crash Course Biology #13
989 views / 0 likes - addedHank gets down to the nitty gritty about meiosis, the special type of cell division that is necessary for sexual reproduction in eukaryotic organisms. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Compl
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11:32 Popular
Animal Development: We're Just Tubes - Crash Course Biology #16
864 views / 0 likes - addedHank 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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11:31 Popular
Simple Animals: Sponges, Jellies,&Octopuses - Crash Course Biology #22
834 views / 0 likes - addedHank introduces us to the "simplest" of the animals, complexity-wise: beginning with sponges (whose very inclusion in the list as "animals" has been called into question because they are so simple) and finishing with the most complex molluscs, octopuses a
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12:10 Popular
Chordates - CrashCourse Biology #24
1,619 views / 0 likes - addedHank 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
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11:40 Popular
Circulatory&Respiratory Systems - CrashCourse Biology #27
2,215 views / 0 likes - addedHank takes us on a trip around the body - we follow the circulatory and respiratory systems as they deliver oxygen and remove carbon dioxide from cells, and help make it possible for our bodies to function. Crash Course Biology is now available on DVD! ht
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12:52 Popular
Big Guns: The Muscular System - CrashCourse Biology #31
1,771 views / 1 likes - addedHank 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
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15:02 Popular
Your Immune System: Natural Born Killer - Crash Course Biology #32
908 views / 0 likes - addedHank 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
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12:17 Popular
Old&Odd: Archaea, Bacteria&Protists - CrashCourse Biology #35
832 views / 1 likes - addedHank 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
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09:42 Popular
The Lives of Nonvascular Plants: Alternation of Generations - Crash Course Biology #36
1,387 views / 0 likes - addedHank introduces us to nonvascular plants - liverworts, hornworts&mosses - which have bizarre features, kooky habits, and strange sex lives. Nonvascular plants inherited their reproductive cycle from algae, but have perfected it to the point where it i
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11:54 Popular
Vascular Plants = Winning! - Crash Course Biology #37
1,089 views / 0 likes - addedHank introduces us to one of the most diverse and important families in the tree of life - the vascular plants. These plants have found tremendous success and the their secret is also their defining trait: conductive tissues that can take food and water f
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10:24 Popular
The Plants&The Bees: Plant Reproduction - CrashCourse Biology #38
1,707 views / 0 likes - addedHank gets into the dirty details about vascular plant reproduction: they use the basic alternation of generations developed by nonvascular plants 470 million years ago, but they've tricked it out so that it works a whole lot differently compared to the wa
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11:52 Popular
Fungi: Death Becomes Them - CrashCourse Biology #39
963 views / 2 likes - addedDeath is what fungi are all about. By feasting on the deceased remains of almost all organisms on the planet, converting the organic matter back into soil from which new life will spring, they perform perhaps the most vital function in the global food web
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12:44 Popular
Fall of The Roman Empire...in the 15th Century: Crash Course World History #12
985 views / 2 likes - addedCrash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
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10:33 Popular
The Amazing Life and Strange Death of Captain Cook: Crash Course World History #27
804 views / 2 likes - addedIn 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
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03:48 Popular
Sesame Street: Cookie Monster Unboxing a Package from the UK
872 views / 1 likes - addedCookie Monster unboxes a parcel he received from the UK. Watch to find out what's inside. 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 the afte
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01:49
Sesame Street: Quince Song!
605 views / 0 likes - addedQuince! That's Spanish for 15, the greatest number that you've ever seen. Quince is celebrating her quinceañera. That means its her 15th birthday. To celebrate, Mando, Abby, Telly, and Zoe got her 15 of everything! Count along with them! Subscribe to the
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02:54 Popular
Sesame Street: Grover and Rosita and Triangles
1,067 views / 0 likes - addedDo all triangles look alike? Does a right triangle look different from an isosceles triangle which looks different from a Bermuda triangle? Triangles can come in many shapes and sizes but they all have two things in common: three sides and three angles. T
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00:33 Popular
Sesame Street: Winter Sports Week on Sesame Street
1,058 views / 2 likes - addedSesame Street is celebrating winter sports and all things athletic! Get ready for new episodes of Sesame Street starting February 3rd on PBS Kids. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStree
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02:17
Sesame Street: Twiddlebugs Outing
591 views / 0 likes - addedThe Twiddlebugs are off to celebrate a surprise birthday party, but first they have to find a replacement for a cracked tire. What shape should a tire be? A square, a triangle or a circle? Help the Twiddlebugs get to their party! Subscribe to the Sesame S
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00:57
Sesame Street: Melissa McCarthy Knows the Letter T
604 views / 0 likes - addedMelissa McCarthy is a big hollywood celebrity right? But does she know three words that start with the letter T? Murray investigates. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fu
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02:19 Popular
Sesame Street: Mi Amiguita Rosita
821 views / 0 likes - addedHere's what being Mexican means to Rosita: she loves to dance, she enjoys playing music, she likes sports, and she loves her amigos. Sing this song with Rosita and celebrate her Mexican heritage! Subscribe to the Sesame Street Channel here: http://www.you
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02:23
Sesame Street: New Season Trailer!
585 views / 0 likes - addedSesame Street is back for its newest season. Subscribe for new clips and content from the show every day: Monday- Songs Tuesday- Celebs Wednesday- Parodies&Shorts Thursdays- Playlists, throwbacks&surprises! Friday- Films&Animations Subscribe to the Sesame
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02:49 Popular
Sesame Street: Season 43 Highlights!
720 views / 1 likes - addedCheck out Elmo, Abby, Grover, Cookie Monster and all of your favorite Muppets in some of the best moments from Sesame Street's 43rd season! With appearances by Donald Glover, Bobby Moynihan, Maya Rudolph, Matt Kemp, Jon Hamm, Dax Sheppard, Joseph Gordon-L
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00:48
Sesame Street: "Best of Friends" Preview
666 views / 0 likes - addedEveryone has a favorite Sesame Street friend! Is it sweet and loveable Grover? Fun, furry Elmo? Best friends Bert and Ernie? Or what about grumpy and grouchy old Oscar? Whoever it is, you'll be sure to find them on this compilation of fan favorites! Featu
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03:26
Great Museums at the High Line Groundbreaking Ceremony: September 2012
608 views / 0 likes - addedGreat Museums Television celebrates the High Line groundbreaking ceremony&press conference on September 20, 2012.
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04:33
Great Museums Television: Highlights
566 views / 0 likes - addedGREAT 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
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26:38 Popular
American Soul: The DuSable Museum of African-American History
884 views / 0 likes - addedFounded in 1961, the DuSable is one of the first African-American museums in the U.S. It follows African-American history from its beginning on the shores of Africa to a celebration of African-American achievements including those of Bessie Coleman, the n
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26:38
Triumph of the Spirit: The National D-Day Museum
667 views / 1 likes - addedNow 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
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03:58
An Acquiring Mind: An Inside Look: The Exhibition
631 views / 0 likes - addedWebisode 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
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04:30
The Metropolitan Museum of Art: Costume Institute
600 views / 0 likes - addedThe latest installment in Great Museums TV webisode series celebrating the Philippe de Montebello exhibition at The Metropolitan Museum of Art. For more information, visit http://greatmuseums.org.
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04:31
Metropolitan Museum of Art Webisode: Textiles
633 views / 0 likes - addedThe latest installment in the Great Museums TV webisode series celebrating the Philippe de Montebello exhibition at The Metropolitan Museum of Art. For more information, visit http://greatmuseums.org.
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05:05
An Acquiring Mind: An Inside Look, Part Two
501 views / 0 likes - addedGreat Museums presents Part Two of its new webisode series titled: "The Metropolitan Museum of Art: The Philippe de Montebello Years: Curators Celebrate Three Decades of Acquisitions". Helen C. Evans, the Mary and Michael Jaharis Curator of Byzantine Art,
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02:34
An Acquiring Mind: An Inside Look, Part One
618 views / 0 likes - addedGreat Museums presents Part One of its new webisode series titled: "The Metropolitan Museum of Art: The Philippe de Montebello Years: Curators Celebrate Three Decades of Acquisitions". Helen C. Evans, the Mary and Michael Jaharis Curator of Byzantine Art,
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00:43
The National D-Day Museum (webisode)
636 views / 0 likes - addedGreat 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
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01:25
The National Racing Museum (webisode)
566 views / 0 likes - addedGreat Museums TV presents a preview clip of The National Museum of Racing and Thoroughbred Hall of Fame, located in Saratoga Springs, NY. This episode aired on public television stations across the nation. Click on http://greatmuseums.org for more informa
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00:58
SUMMER TOUR ANNOUNCEMENT - WE’RE GOING ON THE ROAD WITH KELLY CLARKSON!!!
619 views / 0 likes - addedFor 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!! _____________________________
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03:44
[Yule Log Audio] The Christmas Song (Chestnuts Roasting on an Open Fire) - Pentatonix
572 views / 0 likes - added2015 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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02:26 Popular
[Yule Log Audio] O Holy Night - Pentatonix
714 views / 0 likes - added2015 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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03:36
[Yule Log Audio] O Come, O Come Emmanuel - Pentatonix
577 views / 1 likes - added2015 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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04:12 Popular
[Yule Log Audio] Little Drummer Boy - Pentatonix
709 views / 4 likes - added2015 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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03:04
[Yule Log Audio] Go Tell It On the Mountain - Pentatonix
563 views / 0 likes - added2015 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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03:14 Popular
[Yule Log Audio] Carol of the Bells - Pentatonix
861 views / 0 likes - added2015 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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03:42 Popular
[Yule Log Audio] Angels We Have Heard on High - Pentatonix
1,376 views / 2 likes - added2015 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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04:24 Popular
[Yule Log Audio] This Christmas - Pentatonix
772 views / 1 likes - added2015 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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03:04
Pentatonix Holiday Video Guide
590 views / 0 likes - added2015 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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03:27
[Yule Log Audio] Let it Go - Pentatonix
601 views / 0 likes - added2015 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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03:14 Popular
[Yule Log Audio] Silent Night - Pentatonix
716 views / 0 likes - added2015 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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02:43
[Yule Log Audio] Santa Claus is Coming to Town - Pentatonix
682 views / 1 likes - added2015 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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03:06
[Yule Log Audio] It's the Most Wonderful Time of the Year - Pentatonix
675 views / 0 likes - added2015 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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02:08
[Yule Log Audio] Dance of the Sugar Plum Fairy - Pentatonix
570 views / 0 likes - added2015 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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03:24 Popular
[Yule Log Audio] Mary, Did you Know? - Pentatonix
737 views / 2 likes - added2015 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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03:03
[Yule Log Audio] That's Christmas to Me - Pentatonix
580 views / 0 likes - added2015 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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03:29
[Yule Log Audio] Winter Wonderland / Don't Worry Be Happy - Pentatonix ft Tori Kelly
680 views / 1 likes - added2015 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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02:17
[Yule Log Audio] Sleigh Ride - Pentatonix
646 views / 0 likes - added2015 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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02:48
[Yule Log Audio] White Winter Hymnal - Pentatonix
647 views / 0 likes - added2015 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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03:10 Popular
[Yule Log Audio] Hark! The Herald Angels Sing - Pentatonix
918 views / 0 likes - added2015 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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02:21 Popular
[Official Video] Dance of the Sugar Plum Fairy - Pentatonix
1,136 views / 1 likes - added2015 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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03:42 Popular
[Official Video] Silent Night (Live) - Pentatonix
721 views / 3 likes - added2015 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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03:25 Popular
[Official Video] That’s Christmas To Me - Pentatonix
877 views / 1 likes - addedWATCH 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
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04:05 Popular
[Official Video] Mary, Did You Know? - Pentatonix
1,350 views / 17 likes - added2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY“THAT’S CHRISTMAS TO ME” http://smarturl.it/PTXtctmiT?iqiD=YT | BUY "MARY, DID YOU KNOW?" VIDEO http://smarturl.it/PTXMDYKiTv BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt
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03:46 Popular
[Official Video] Winter Wonderland/Don’t Worry Be Happy - Pentatonix (ft Tori Kelly)
886 views / 3 likes - added2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY“THAT’S CHRISTMAS TO ME” http://smarturl.it/PTXtctmiT?iqiD=YT | BUY "WINTER WONDERLAND/DON'T WORRY BE HAPPY" VIDEO http://smarturl.it/PTXWWiTv BUY PTX VOL III http://smarturl.i
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03:10 Popular
[Official Video] White Winter Hymnal - Pentatonix (Fleet Foxes Cover)
1,145 views / 10 likes - added2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT | BUY WHITE WINTER HYMNAL VIDEO http://smarturl.it/PTXWWHiTv BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | B
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04:10 Popular
[Official Video] Rather Be - Pentatonix (Clean Bandit Cover)
1,157 views / 2 likes - added2015 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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04:14 Popular
[Official Video] Papaoutai– Pentatonix ft. Lindsey Stirling (Stromae Cover)
1,087 views / 0 likes - added2015 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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04:11 Popular
[Official Video] La La Latch - Pentatonix (Sam Smith/Disclosure/Naughty Boy Mashup)
1,244 views / 2 likes - added2015 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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03:38 Popular
[Official Video] Problem - Pentatonix (Ariana Grande Cover)
3,013 views / 18 likes - added2015 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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03:20 Popular
[Official Video] Love Again - Pentatonix
1,574 views / 6 likes - added2015 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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03:23 Popular
Happy - Pentatonix (Pharrell Cover)
728 views / 5 likes - added2015 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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04:40 Popular
[Official Video] Say Something - Pentatonix (A Great Big World&Christina Aguilera Cover)
1,002 views / 4 likes - added2015 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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04:26
[Official Video] Run to You - Pentatonix
653 views / 1 likes - added2015 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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03:24 Popular
[Official Video] I Need Your Love - Pentatonix (Calvin Harris feat. Ellie Goulding Cover)
1,075 views / 3 likes - added2015 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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04:36
[Official Video] Angels We Have Heard On High - Pentatonix
690 views / 4 likes - added2015 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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04:14 Popular
[Official Video] Little Drummer Boy - Pentatonix
989 views / 4 likes - added2015 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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02:17 Popular
[Official Video] Cruisin' for a Bruisin' - Pentatonix
810 views / 2 likes - added2015 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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04:56 Popular
[Official Video] Daft Punk - Pentatonix
985 views / 9 likes - added2015 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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06:11 Popular
Evolution of Beyoncé - Pentatonix
765 views / 0 likes - added2015 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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04:31 Popular
[Official Video] Royals - Pentatonix (Lorde Cover)
1,395 views / 5 likes - added2015 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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04:09 Popular
[Official Video] Can't Hold Us - Pentatonix (Macklemore&Ryan Lewis cover)
942 views / 4 likes - added2015 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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04:29 Popular
Evolution of Music - Pentatonix
872 views / 2 likes - added2015 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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04:22 Popular
[Official Video] Radioactive - Pentatonix&Lindsey Stirling (Imagine Dragons cover)
2,028 views / 17 likes - added2015 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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03:29 Popular
Thrift Shop - Pentatonix (Macklemore&Ryan Lewis cover)
759 views / 1 likes - added2015 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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04:37 Popular
[Official Video] Save the World/Don't You Worry Child - Pentatonix (Swedish House Mafia Cover)
817 views / 3 likes - added2015 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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03:57
NSYNC Medley - Pentatonix
581 views / 0 likes - added2015 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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04:11 Popular
[Official Video] Carol of the Bells - Pentatonix
1,194 views / 6 likes - added2015 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 Popular
[Official Video] Aha! - Pentatonix (Imogen Heap Cover)
1,018 views / 2 likes - added2015 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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03:24 Popular
GANGNAM STYLE (강남 스타일) - Pentatonix (PSY Cover)
1,130 views / 1 likes - added2015 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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03:36 Popular
Payphone - Pentatonix (Maroon 5 Cover)
827 views / 1 likes - added2015 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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03:40 Popular
[Official Video] Starships - Pentatonix (Nicki Minaj Cover)
1,177 views / 4 likes - added2015 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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03:43 Popular
As Long As You Love Me / Wide Awake - Pentatonix (Justin Bieber / Katy Perry Cover)
951 views / 3 likes - added2015 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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02:56 Popular
End of Time - Pentatonix (Beyonce Cover)
817 views / 0 likes - addedORDER 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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03:27
We Are Young - Pentatonix (Fun Cover)
642 views / 1 likes - added2015 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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03:26 Popular
Somebody That I Used To Know - Pentatonix (Gotye cover)
944 views / 1 likes - added2015 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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03:21 Popular
Is There Life on Enceladus?
720 views / 0 likes - addedSaturn's tiny, frozen moon Enceladus could hold the secrets to extraterrestrial life. | For more STRIP THE COSMOS, visit http://www.sciencechannel.com/tv-shows/strip-the-cosmos/#mkcpgn=ytsci1 Subscribe to Science Channel! | http://www.youtube.com/subscrip
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05:55 Popular
History Vs. Christopher Columbus - Alex Gendler
1,233 views / 4 likes - addedView full lesson: http://ed.ted.com/lessons/history-vs-christopher-columbus-alex-gendler Many people in the United States and Latin America have grown up celebrating the anniversary of Christopher...
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03:22 Popular
How Do The Lungs Work? - Emma Bryce
932 views / 0 likes - addedView full lesson: http://ed.ted.com/lessons/what-do-the-lungs-do-emma-bryce When you breathe, you transport oxygen to the body's cells to keep them working, while also clearing your system...
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04:29 Popular
DNA: The Book Of You - Joe Hanson
990 views / 0 likes - addedView full lesson: http://ed.ted.com/lessons/dna-the-book-of-you-joe-hanson Your body is made of cells -- but how does a single cell know to become part of your nose, instead of your toes?...
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04:00 Popular
Cell Vs. Virus: A Battle For Health - Shannon Stiles
1,118 views / 2 likes - addedView full lesson: http://ed.ted.com/lessons/cell-vs-virus-a-battle-for-health-shannon-stiles All living things are made of cells. In the human body, these highly efficient units are protected...
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06:34 Popular
Does My Dog Know What I'm Thinking?
860 views / 0 likes - addedHead to BrainCraft for more doggy science! http://youtu.be/OBy3idLwwYM Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesm
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24:48 Popular
How To Draw Princess Celestia
868 views / 1 likes - addedFollow along with us and learn how to draw Princess Celestia! EMAIL A PHOTO OF YOUR ART: myart@artforkidshub.com MAIL US YOUR ART: Art for Kids Hub P.O. Box 927 Pleasant Grove, UT 84062 SUBSCRIBE for regular drawing and art lessons: http://bit.ly/afksubsc
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01:59 Popular
Monkeying Around - Ultimate Animal Movie Mashup (2015) HD
880 views / 3 likes - addedSubscribe to TRAILERS: http://bit.ly/sxaw6h Subscribe to COMING SOON: http://bit.ly/H2vZUn Like us on FACEBOOK: http://goo.gl/dHs73 Follow us on TWITTER: http://bit.ly/1ghOWmt Monkeying Around - Ultimate Animal Movie Mashup (2015) HD Celebrate nature with
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02:02 Popular
The Sun Is A Magnet!
737 views / 0 likes - addedVote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Sunspots, solar flares, coronal mass ejections, OH MY! Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub↓ More info and sources below ↓ F
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12:23 Popular
Would Headlights Work At Light Speed?
722 views / 0 likes - addedIf you were driving at the speed of light and turned on your headlights, what would happen? Twitter: http://www.twitter.com/tweetsauce Instagram: http://www.instagram.com/electricpants Sources and extras below!! Thanks to Jude for asking me this question
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17:13 Popular
How To Draw A Minecraft Ocelot
1,887 views / 7 likes - addedDon't mind the thumbnail, I messed up :) It should update soon. Learn how to draw a Minecraft Ocelot! Get something to draw with and a piece of paper and follow along. If we ever go to fast, you can pause the video. EMAIL A PHOTO OF YOUR ART: myart@artfor
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10:30 Popular
Taste&Smell: Crash Course A&P #16
978 views / 0 likes - addedHank resists the urge to devour a slice of pizza so that he can walk you through the way we experience our major special senses. It all boils down to one thing: sensory cells translating chemical, electromagnetic, and mechanical stimuli into action potent
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10:40 Popular
Hearing & Balance: Crash Course A&P #17
1,229 views / 0 likes - addedCrash Course A&P continues the journey through sensory systems with a look at how your sense of hearing works. We follow sounds as they work there way into the ear where they are registered and transformed into action potentials. This mechanism not only h
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01:05 Popular
Sesame Street: Letter E (Letter Of The Day)
1,281 views / 0 likes - addedHello Letter E, you are exceptional! Your every move is an exercise in elegance. Everyone is enamored with your excellence. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet You can catch Sesame
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07:37
Knighthood For The Professor
528 views / 1 likes - addedOur very own Professor Poliakoff has become Sir Martyn... He received a knighthood in the UK's New Year's Honours List. This video also features a "recent knight" - University of Nottingham Vice-Chancellor, Sir David Greenaway. Full interview with Sir Dav
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02:31 Popular
100 Candles - Periodic Table Of Videos
762 views / 0 likes - addedA short clip from the 100th birthday celebration for Dan Eley, FRS, held at the University of Nottingham. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com
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04:13
Huge Fire At Our Chemistry Building
608 views / 0 likes - addedProfessor Poliakoff on the blaze at the University of Nottingham's new chemistry building. Blog by the university's Vice-Chancellor at: http://bit.ly/VCNottsFire More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook
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04:33 Popular
What Is Leukemia? - Danilo Allegra And Dania Puggioni
928 views / 0 likes - addedView full lesson: http://ed.ted.com/lessons/what-is-leukemia-danilo-allegra-and-dania-puggioni Stem cells found in the bone marrow are crucial for our health because they are needed to become new blood cells that sustain and protect our bodies. But when t
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04:00 Popular
Could Your Brain Repair Itself? - Ralitsa Petrova
863 views / 1 likes - addedView full lesson: http://ed.ted.com/lessons/could-your-brain-repair-itself-ralitsa-petrova Imagine the brain could reboot, updating its damaged cells with new, improved units. That may sound like science fiction — but it’s a potential reality scientists a
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05:42 Popular
How We Think Complex Cells Evolved - Adam Jacobson
844 views / 0 likes - addedView full lesson: http://ed.ted.com/lessons/how-we-think-complex-cells-evolved-adam-jacobson Imagine you swallowed a small bird and suddenly gained the ability to fly … or you ate a cobra and were able to spit poisonous venom! Well, throughout the history
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03:38 Popular
Could Comets Be The Source Of Life On Earth? - Justin Dowd
1,591 views / 4 likes - addedView full lesson: http://ed.ted.com/lessons/could-comets-be-the-source-of-life-on-earth-justin-dowd While comets were historically thought to be ill omens of war and famine, recent science has revealed that these celestial wonders actually contain amino a
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08:03 Popular
CAPTAIN AMERICA PIZZA - NERDY NUMMIES
902 views / 2 likes - addedToday I made a Captain America Pepperoni Pizza in celebration of the new "Avengers: Age of Ultron" movie coming out! I really enjoy making nerdy themed goodies and decorating them. I'm not a pro, but I love baking as a hobby. Please let me know what kind
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07:57 Popular
LAYERED EARTH CAKE - NERDY NUMMIES
1,723 views / 11 likes - addedToday I made a layered Earth cake in celebration of Earth Day! I really enjoy making nerdy themed goodies and decorating them. I'm not a pro, but I love baking as a hobby. Please let me know what kind of treat you would like me to make next. FOLLOW ME HER
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08:32 Popular
CHOCOLATE OREO MOUSSE PI PIE - NERDY NUMMIES
910 views / 1 likes - addedToday I made a Chocolate Oreo Mouse Pi Pie in celebration of Ultimate Pi Day! This only happens once every 100 years. I really enjoy making nerdy themed goodies and decorating them. I'm not a pro, but I love baking as a hobby. Please let me know what kind
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14:02 Popular
DIY TREATS - Perfect Together
779 views / 1 likes - addedPerfect Together on iTunes: http://tinyurl.com/lt3q9ux In celebration of my first original song "Perfect Together" coming out, I asked you guys which treats from the song you'd like me to make. Here are a few of the most requested ones! What are your favo
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06:14 Popular
COMPUTER KEYBOARD CHOCOLATES - NERDY NUMMIES
817 views / 2 likes - addedToday I made Computer Keyboard Key Chocolates to celebrate Valentines day! These chocolates are a lot of fun and really easy to make. I really enjoy making nerdy themed goodies and decorating them. I'm not a pro, but I love baking as a hobby. Please let m
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06:59 Popular
DIY FOOTBALL TREATS
1,001 views / 2 likes - addedTo celebrate the Super Bowl I made some fun and easy football themed snacks! Which team are you cheering for this year? LAST YEARS TREATS: https://www.youtube.com/watch?v=7htlSbB8Dok FOLLOW ME HERE Facebook: http://www.facebook.com/rosannapansino Twitter:
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06:27 Popular
WONDER WOMAN TOMATO SOUP - NERDY NUMMIES
888 views / 3 likes - addedToday I made Wonder Woman Tomato Soup from scratch! I really enjoy making nerdy themed goodies and decorating them. I'm not a pro, but I love baking as a hobby. Please let me know what kind of treat you would like me to make next. FOLLOW ME HERE: Facebook
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04:12 Popular
How Do Tornadoes Form? - James Spann
2,897 views / 27 likes - addedView full lesson: http://ed.ted.com/lessons/how-do-tornadoes-form-james-spann Tornadoes are the most violent storms on Earth, with wind velocities that can exceed 200 miles per hour. How do these terrifying cyclones form? Meteorologist James Spann sheds l
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04:34 Popular
Under The Hood: The Chemistry Of Cars - Cynthia Chubbuck
795 views / 0 likes - addedView full lesson: http://ed.ted.com/lessons/under-the-hood-the-chemistry-of-cars-cynthia-chubbuck There are over one billion cars in the world right now, getting people from point A to point B. But cars aren't just a mode of transportation; they also teac
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04:26 Popular
What Makes Tattoos Permanent? - Claudia Aguirre
951 views / 0 likes - addedView full lesson: http://ed.ted.com/lessons/what-makes-tattoos-permanent-claudia-aguirre The earliest recorded tattoo was found on a Peruvian mummy in 6,000 BC. That's some old ink! And considering humans lose roughly 40,000 skin cells per hour, how do th
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09:39 Popular
Vision: Crash Course A&P #18
1,259 views / 0 likes - addedNext stop in our tour of your sensory systems? VISION. With a little help from an optical illusion, we take a look inside your eyes to try to figure out how your sense of vision works -- and how it can be tricked. *** Table of Contents The Structure of th
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12:12 Popular
1941 Axis Momentum Accelerates In WW2
833 views / 2 likes - addedIn 1941, the Axis gains further momentum with control of most of Continential Europe. Hitler decides to break pact and invade Stalin's Soviet Union. United States enters World War II after Japanese attack on Pearl Harbor.
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06:47 Popular
VIDEO GAME HIGH SCHOOL CUPCAKES - NERDY NUMMIES
751 views / 2 likes - addedToday I made VGHS cupcakes in celebration of Season 3 of the show with my friend Jimmy Wong! I really enjoy making nerdy themed goodies and decorating them. I'm not a pro, but I love baking as a hobby. Please let me know what kind of treat you would like
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02:03
Sesame Street: Elmo And Christina Hendricks Discuss Technology
619 views / 1 likes - addedTechnology is a tool that makes something easier for you to do. Christina Hendricks loves technology. She uses a laptop computer to read up on bugs; she uses her cell phone to video chat with her Nanna and Pop-pop, and she takes pictures of flowers with h
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12:16 Popular
Saturn: Crash Course Astronomy #18
1,040 views / 6 likes - addedSaturn is the crown jewel of the solar system, beautiful and fascinating. It is a gas giant, and has a broad set of rings made of ice particles. Moons create gaps in the rings via their gravity. Saturn has dozens of moons, including Titan, which is as big
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06:17 Popular
The Fermi Paradox II — Solutions And Ideas – Where Are All The Aliens?
856 views / 2 likes - addedWhere are all the aliens? The universe is too big and too old, why have we not met aliens yet? Do they live in computers? Were they wiped out by an ancient super intelligence? Or are we just to primitive to understand their motives? Whatever the answer is
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06:22 Popular
The Fermi Paradox — Where Are All The Aliens? (1/2)
1,190 views / 1 likes - addedThe universe is unbelievably big – trillions of stars and even more planets. Soo… there just has to be life out there, right? But where is it? Why don’t we see any aliens? Where are they? And more importantly, what does this tell us about our own fate in
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05:34 Popular
Measles Explained — Vaccinate Or Not?
1,046 views / 1 likes - addedEverybody is talking about Measles – but what does the virus actually do in the body? Is it really so harmful that you need a vaccination? We go deep into the body of an infected person and see what Measles does and how the immune system reacts to it! Vid
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00:57 Popular
Sesame Street: “Count On Elmo” Preview
929 views / 0 likes - addedThe Sesame Street friends can count on Elmo! Join your Sesame Street friends as they learn about different math concepts and celebrate the Count and his love of counting! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_cen
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05:18
What’s The Big Deal With Gluten? - William D. Chey
664 views / 0 likes - addedView full lesson: http://ed.ted.com/lessons/what-s-the-big-deal-with-gluten-william-d-chey If you've been to a restaurant in the last few years, you’ve likely seen the words gluten-free written somewhere on the menu. But what exactly is gluten, and why ca
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10:24 Popular
Muscles, Part 1 - Muscle Cells: Crash Course A&P #21
1,273 views / 2 likes - addedWe're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting and releasing in a process called the sliding filament m
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05:41 Popular
MONSTERS ATE MY BIRTHDAY CAKE... CAKE! - NERDY NUMMIES
1,526 views / 8 likes - addedIn celebration of my birthday on June 8th I made a Monsters Ate My Birthday Cake... cake! I really enjoy making nerdy themed goodies and decorating them. I'm not a pro, but I love baking as a hobby. Please let me know what kind of treat you would like me
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05:37 Popular
JURASSIC PARK AMBER FOSSIL LOLLIPOPS - NERDY NUMMIES
1,134 views / 4 likes - addedIn celebration of the new Jurassic World movie coming out I made these Amber Fossil Lolipops! I really enjoy making nerdy themed goodies and decorating them. I'm not a pro, but I love baking as a hobby. Please let me know what kind of treat you would like
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12:19 Popular
DIY FATHERS DAY GIFT IDEAS
812 views / 0 likes - addedIn celebration of Fathers Day I made these fun and easy gifts for my Dad. EXTRA VIDEO: Bakeware: http://bit.ly/1FdCKPW THE THINGS YOU WILL NEED: BBQ Grill Cupcakes: * Mike & Ikes * Dots * Caramels * Black Edible Food Pen * Gray Frosting * Wilton #3 Tip: h
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